Games like DG2: Defense Grid 2 on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like DG2: Defense Grid 2 are available at the bottom of the page.

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AI War: Fleet Command

"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...

Similarity 86%
Price 9.75€
Rating 7.9
Release 21 Oct 2009

Sanctum

You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

Similarity 80%
Price -63% 3.60€
Rating 8.6
Release 15 Apr 2011

Polarity

Polarity takes it to the next level, demanding all of your wits and reflexes. Full-featured local co-op campaign.

Similarity 79%
Price 12.99€
Rating 7.7
Release 15 Jul 2016

Axon TD: Uprising - Tower Defense

Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay.

Similarity 77%
Price 18.70€
Rating 8.3
Release 27 Sep 2024

Worbital

With the shifting gravity on your side, aim your cannons, blast your enemies and enjoy the fireworks. Worbital is a real-time strategic artillery game in space, peppered with a heavy dose of cosmic chaos. The goal: be the last civilization standing!

Similarity 76%
Price 12.99€
Rating 8.3
Release 31 Jan 2019

Fortified

Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.

Similarity 76%
Price 14.99€
Rating 7.2
Release 03 Feb 2016

Space Engineers

Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive.

Similarity 76%
Price -55% 7.64€
Rating 8.7
Release 28 Feb 2019

StarMade

The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!

Similarity 76%
Price 14.99€
Rating 6.6
Release 04 Dec 2014

Castle Story

Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.

Similarity 76%
Price 9.75€
Rating 6.3
Release 17 Aug 2017

Sanctum 2

Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Similarity 76%
Price 14.79€
Rating 8.8
Release 15 May 2013

Gratuitous Space Battles

Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.

Similarity 76%
Price 14.79€
Rating 6.9
Release 16 Nov 2009

Eden Rising

Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!

Similarity 75%
Price Free to play
Rating 6.3
Release 17 May 2019

Time Rifters

Be your own teammates in this unique single-player co-op shooter!

Similarity 75%
Price 9.99€
Rating 8.2
Release 21 Oct 2014

Out of Space

Strategy co-op online multiplayer game about living on a spaceship with your roommates. You'll need to generate resources, take care of a deadly alien infestation, upgrade your appliances and build your sustainable space home. Living together is never easy, especially when you are in outer space!

Similarity 74%
Price 12.49€
Rating 7.7
Release 26 Feb 2020

Stellar Warfare

Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!

Similarity 73%
Price -40% 12.08€
Rating 8.0
Release 04 Aug 2021

Istrolid

In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.

Similarity 73%
Price Free to play
Rating 8.4
Release 06 May 2016

ENDLESS™ Space 2

ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?

Similarity 73%
Price 39.99€
Rating 8.2
Release 18 May 2017

Planetary Annihilation: TITANS

Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!

Similarity 73%
Price -65% 8.65€
Rating 8.3
Release 18 Aug 2015

Aegis Defenders

Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat.

Similarity 73%
Price 19.99€
Rating 7.6
Release 08 Feb 2018

Beware Planet Earth

Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!

Similarity 73%
Price 4.99€
Rating 6.8
Release 11 Apr 2014

Dungeon of the ENDLESS™

Dungeon of the ENDLESS™ is a Rogue-Like Dungeon-Defense game, in which the player and their team of heroes must protect the generator of their crashed ship while exploring an ever-expanding dungeon, all while facing waves of monsters and special events as they try to find their way out...

Similarity 73%
Price 11.99€
Rating 8.4
Release 27 Oct 2014

Natural Selection 2

A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!

Similarity 73%
Price 4.99€
Rating 8.3
Release 30 Oct 2012

X-Morph: Defense

Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

Similarity 71%
Price 19.99€
Rating 8.8
Release 30 Aug 2017

CRYPTARK

Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.

Similarity 71%
Price 14.99€
Rating 7.9
Release 20 Jun 2017

Most played games like DG2: Defense Grid 2 on Steam

Take a look at the top games like DG2: Defense Grid 2 that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.

1. Satisfactory

Similarity 67% Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven! Satisfactory is a base-building, automation and open world game developed by Coffee Stain Studios and published by Coffee Stain Publishing. Released on September 10th 2024 has received 228,332 reviews of which 221,780 were positive and 6,552 were negative resulting in an impressive rating of 9.6 out of 10. The game has hit the top spot as the #1 most played game like DG2: Defense Grid 2, thanks to its 19,872 peak concurrent players over the last day.
9.6
221,780
6,552

19,872
players

2. Oxygen Not Included

Similarity 66% Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,145 reviews of which 123,019 were positive and 4,126 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 5,652 players online at once in the last 24 hours, this game is currently ranked #2 among games like DG2: Defense Grid 2 based on player count.
9.5
123,019
4,126

5,652
players

3. Space Engineers

Similarity 76% Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive. Space Engineers is a space, sandbox and building game developed and published by Keen Software House. Released on February 28th 2019 has received 131,727 reviews of which 116,631 were positive and 15,096 were negative resulting in a rating of 8.7 out of 10. While seeing 4,017 players online at once in the last 24 hours, this game is currently ranked #3 among games like DG2: Defense Grid 2 based on player count.
8.7
116,631
15,096

4,017
players

4. ASTRONEER

Similarity 62% Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends. ASTRONEER is a multiplayer, open world and open world survival craft game developed and published by System Era Softworks. Released on February 05th 2019 has received 127,856 reviews of which 117,817 were positive and 10,039 were negative resulting in an impressive rating of 9.1 out of 10. With 2,426 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like DG2: Defense Grid 2.
9.1
117,817
10,039

2,426
players

5. STAR WARS™ Empire at War - Gold Pack

Similarity 66% Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld? STAR WARS™ Empire at War - Gold Pack is a strategy, rts and space game developed by Petroglyph and published by LucasArts, Lucasfilm and Disney. Released on May 25th 2010 has received 38,771 reviews of which 37,851 were positive and 920 were negative resulting in an impressive rating of 9.6 out of 10. With 1,932 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like DG2: Defense Grid 2.
9.6
37,851
920

1,932
players

6. Void Crew

Similarity 62% Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic! Void Crew is a co-op, multiplayer and space sim game developed by Hutlihut Games and published by Focus Entertainment. Released on November 25th 2024 has received 6,308 reviews of which 5,544 were positive and 764 were negative resulting in a rating of 8.5 out of 10. With 1,553 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like DG2: Defense Grid 2.
8.5
5,544
764

1,553
players

7. Star Trek Online

Similarity 64% In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before. Star Trek Online is a free to play, sci-fi and massively multiplayer game developed by Cryptic Studios and published by Arc Games. Released on January 31st 2012 has received 20,017 reviews of which 15,828 were positive and 4,189 were negative resulting in a rating of 7.8 out of 10. With 1,200 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like DG2: Defense Grid 2.
7.8
15,828
4,189

1,200
players

8. Supreme Commander: Forged Alliance

Similarity 66% The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike. Supreme Commander: Forged Alliance is a strategy, rts and sci-fi game developed by Gas Powered Games and published by Square Enix. Released on September 28th 2011 has received 13,370 reviews of which 12,950 were positive and 420 were negative resulting in an impressive rating of 9.4 out of 10. With 1,049 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like DG2: Defense Grid 2.
9.4
12,950
420

1,049
players

9. Mindustry

Similarity 66% An open-ended factory management game with RTS and tower defense elements. Mindustry is a base-building, resource management and tower defense game developed and published by AnukenDev. Released on September 26th 2019 has received 21,477 reviews of which 20,586 were positive and 891 were negative resulting in an impressive rating of 9.4 out of 10. With 582 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like DG2: Defense Grid 2.
9.4
20,586
891

582
players

10. Cosmoteer: Starship Architect & Commander

Similarity 66% Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars! Cosmoteer: Starship Architect & Commander is a sci-fi, singleplayer and 2d game developed and published by Walternate Realities. Released on October 24th 2022 has received 10,940 reviews of which 10,407 were positive and 533 were negative resulting in an impressive rating of 9.2 out of 10. With 556 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like DG2: Defense Grid 2.
9.2
10,407
533

556
players

Best deals on games like DG2: Defense Grid 2 on Steam

Discover fantastic savings with the best discounts on a variety of games like DG2: Defense Grid 2 available on Steam right now, updated on April 19th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like DG2: Defense Grid 2.

1. We Are The Dwarves

Similarity 69% We Are The Dwarves is a real-time tactical adventure where you take control of three Dwarven astronauts and lead them through the hordes of enemies in the depths of their Universe. We Are The Dwarves is a indie, adventure and action game developed and published by Whale Rock Games. Released on February 25th 2016 has received 1,314 reviews of which 891 were positive and 423 were negative resulting in a rating of 6.6 out of 10. Featuring a massive 97% discount, this game currently holds the #1 spot in the best deals for games like DG2: Defense Grid 2.
6.6
891
423

-97% 43.00€ 1.29€

2. Deathtrap

Similarity 64% Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood. Deathtrap is a tower defense, rpg and action game developed and published by NeocoreGames. Released on February 04th 2015 has received 2,187 reviews of which 1,835 were positive and 352 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 93% discount, this game is now the #2 best deal in games like DG2: Defense Grid 2.
8.1
1,835
352

-93% 18.57€ 1.30€

3. Planets Under Attack

Similarity 63% Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies. Planets Under Attack is a strategy, indie and space game developed by Targem Games and published by TopWare Interactive. Released on September 27th 2012 has received 1,113 reviews of which 806 were positive and 307 were negative resulting in a rating of 7.0 out of 10. Thanks to its incredible 92% discount, this game is now the #3 best deal in games like DG2: Defense Grid 2.
7.0
806
307

-92% 12.50€ 1.00€

4. I am not a Monster: First Contact

Similarity 70% Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures. I am not a Monster: First Contact is a turn-based tactics, strategy and sci-fi game developed by Cheerdealers and published by Alawar. Released on September 27th 2018 has received 1,255 reviews of which 965 were positive and 290 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #4 position in the best deals for games like DG2: Defense Grid 2.
7.4
965
290

-91% 11.11€ 1.00€

5. Anomaly 2

Similarity 67% Anomaly 2 is a sequel to the critically acclaimed Anomaly Warzone Earth. Maintaining the core elements of the original, Anomaly 2 adds plenty of new features: unit morphing, over million tactical combinations, post-apo world and tower defense vs tower offense multiplayer mode. Anomaly 2 is a strategy, action and indie game developed and published by 11 bit studios. Released on May 15th 2013 has received 1,017 reviews of which 804 were positive and 213 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 90% discount, this title has earned the #5 position in the best deals for games like DG2: Defense Grid 2.
7.5
804
213

-90% 22.99€ 2.29€

6. Bloodsports.TV

Similarity 71% Co-Op Hero Defense set in a deadly post-apocalyptic Sweden. Team up with your friends and protect the Missile Silo against horrific beasts and outlaws. Bloodsports.TV is a action, hack and slash and indie game developed by Toadman Interactive and Fatshark and published by Fatshark. Released on March 30th 2015 has received 651 reviews of which 508 were positive and 143 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like DG2: Defense Grid 2.
7.4
508
143

-90% 9.99€ 0.99€

7. Orcs Must Die! 2

Similarity 69% You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment. Orcs Must Die! 2 is a tower defense, co-op and action game developed and published by Robot Entertainment. Released on July 30th 2012 has received 19,238 reviews of which 17,883 were positive and 1,355 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 88% discount, this title has earned the #7 position in the best deals for games like DG2: Defense Grid 2.
9.1
17,883
1,355

-88% 12.33€ 1.48€

8. Space Run

Similarity 71% Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space! Space Run is a tower defense, strategy and space game developed by Passtech Games and published by Focus Entertainment. Released on June 13th 2014 has received 2,083 reviews of which 1,781 were positive and 302 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 85% discount, this title has earned the #8 position in the best deals for games like DG2: Defense Grid 2.
8.2
1,781
302

-85% 4.99€ 0.74€

9. SPACECOM

Similarity 68% SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat. SPACECOM is a rts, strategy and indie game developed by Flow Combine and published by 11 bit studios. Released on September 17th 2014 has received 514 reviews of which 352 were positive and 162 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 85% discount, this title has earned the #9 position in the best deals for games like DG2: Defense Grid 2.
6.6
352
162

-85% 9.99€ 1.49€

10. Element TD 2 - Tower Defense

Similarity 66% Element TD 2 sees you combine powerful elements to create unique towers. Prove your defenses against challenging foes, and compete or cooperate with others to determine who has mastered the elements. Element TD 2 - Tower Defense is a tower defense, real time tactics and multiplayer game developed and published by Element Studios. Released on April 02nd 2021 has received 2,993 reviews of which 2,681 were positive and 312 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 81% discount, this title has earned the #10 position in the best deals for games like DG2: Defense Grid 2.
8.6
2,681
312

-81% 14.11€ 2.68€

Free games like DG2: Defense Grid 2 on Steam

Check out this fantastic list of free-to-play games like DG2: Defense Grid 2 you can enjoy on Steam right now, updated on April 19th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like DG2: Defense Grid 2.

1. Star Trek Online

Similarity 64% In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before. Star Trek Online is a free to play, sci-fi and massively multiplayer game developed by Cryptic Studios and published by Arc Games. Released on January 31st 2012 has received 20,017 reviews of which 15,828 were positive and 4,189 were negative resulting in a rating of 7.8 out of 10. With 1,200 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like DG2: Defense Grid 2.
7.8
15,828
4,189

1,200
players

2. Bloons TD Battles

Similarity 69% Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses. Bloons TD Battles is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on April 20th 2016 has received 29,074 reviews of which 26,383 were positive and 2,691 were negative resulting in a rating of 8.9 out of 10. Thanks to its free to play tag and a daily player base of 223, this game has secured the #2 spot in the ranking of free games like DG2: Defense Grid 2.
8.9
26,383
2,691

223
players

3. TOXIKK™

Similarity 62% FRAG LIKE IT'S 1999! TOXIKK plays as if today's military shooters never existed: Designed as a spiritual successor to the FPS giants of the late 90s and early 2ks, TOXIKK carefully evolves their mechanics with modern technology and fresh ideas elaborated with Arena-FPS enthusiasts. TOXIKK™ is a fps, action and free to play game developed by Reakktor Studios and published by Schwiezer System GmbH. Released on September 10th 2016 has received 5,794 reviews of which 4,471 were positive and 1,323 were negative resulting in a rating of 7.5 out of 10. Thanks to its free to play tag and a daily player base of 148, this game has secured the #3 spot in the ranking of free games like DG2: Defense Grid 2.
7.5
4,471
1,323

148
players

4. Zero-K

Similarity 64% With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps. Zero-K is a strategy, free to play and rts game developed and published by Zero-K Team. Released on April 27th 2018 has received 3,856 reviews of which 3,613 were positive and 243 were negative resulting in an impressive rating of 9.0 out of 10. Attracting a solid base of 147 players due to its free access, this strategy game has achieved the #4 position in the best free games like DG2: Defense Grid 2.
9.0
3,613
243

147
players

5. Hades' Star

Similarity 66% A unique space strategy game where thousands of players participate in one shared galaxy. Hades' Star is a free to play, space and strategy game developed and published by Parallel Space Inc. Released on February 27th 2019 has received 2,561 reviews of which 1,864 were positive and 697 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 123 players due to its free access, this strategy game has achieved the #5 position in the best free games like DG2: Defense Grid 2.
7.1
1,864
697

123
players

6. Awesomenauts - the 2D moba

Similarity 67% Use your power, show your might! Play this Multiplayer Online Battle Arena (MOBA) game for FREE now! AWESOMENAUTS combines 2D platforming with team-based strategy and hero based action. Whether you are a new recruit or an intergalactic legend, play AWESOMENAUTS! Awesomenauts - the 2D moba is a moba, multiplayer and 2d game developed by Ronimo Games and published by Atari. Released on August 01st 2012 has received 26,717 reviews of which 22,608 were positive and 4,109 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #6 spot among the most played free games like DG2: Defense Grid 2.
8.3
22,608
4,109

97
players

7. AirMech

Similarity 69% AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious! AirMech is a free to play, strategy and multiplayer game developed and published by Carbon Games. Released on March 30th 2018 has received 10,650 reviews of which 8,957 were positive and 1,693 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #7 spot among the most played free games like DG2: Defense Grid 2.
8.2
8,957
1,693

50
players

8. Battle Islands

Similarity 69% Battle friends over air, land and sea in this epic WW2-themed battle strategy game. Battle Islands is a strategy, free to play and multiplayer game developed by DR Studios and published by 505 Games. Released on August 06th 2014 has received 3,426 reviews of which 2,603 were positive and 823 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #8 spot among the most played free games like DG2: Defense Grid 2.
7.4
2,603
823

22
players

9. Planet S

Similarity 63% Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction. Planet S is a strategy, city builder and multiplayer game developed and published by Glimmerlight Games. Released on October 28th 2023 has received 2,565 reviews of which 2,352 were positive and 213 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #9 spot among the most played free games like DG2: Defense Grid 2.
8.8
2,352
213

17
players

10. Zombie Defense

Similarity 66% A modern hybrid of the classic RTS and modern Tower Defense. Recruit soldiers, place them on slots and let them shoot incoming waves of zombies by their own. Order supplies, throw grenades, order airstrikes and many more... Perfect mix of strategy, tactics and micromanagement. Zombie Defense is a free to play, zombies and tower defense game developed and published by Home Net Games. Released on September 30th 2016 has received 2,144 reviews of which 1,801 were positive and 343 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #10 spot among the most played free games like DG2: Defense Grid 2.
8.1
1,801
343

15
players