Games like Zero-K on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Zero-K are available at the bottom of the page.
Filters & Lists
United Penguin Kingdom
A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom.
Kingdom Wars
Kingdom Wars is a free to play 3D MMORTS with real-time siege combat, without the pay to win element so common in the genre. Kingdom Wars offers beautiful 3D online world, where players construct strongholds, direct citizens, complete quests and eventually manage a global empire.
EMERGENCY
Save lives – be a hero! Join forces against the chaos in the newest title of the award-winning EMERGENCY series. Take up your shift as incident commander and coordinate with other players to fight fires, arrest gangsters and rescue injured civilians. Your city needs you!
AirMech
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!
Mitos.is: The Game
Step into the microscopic world of Mitos.is! Eat or be eaten—become the ultimate cell in a highly addictive multiplayer game. Diverse modes, daily tournaments, guilds, and gear await! The BEST game of 2015 is back!
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!
Galcon 2: Galactic Conquest
Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game!
War Selection
War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.
Act of Aggression - Reboot Edition
Act of Aggression – Reboot Edition brings the techno-thriller RTS game Act of Aggression to a higher level. The Reboot Edition offers a full gameplay overhaul in skirmish mode against the AI and in your multiplayer battles.
Rise of Legions
Rise of Legions has shut down. It was a strategy and deck building game with dynamic, tactical gameplay.
Bio Inc. Redemption
Bio Inc.: Redemption is a realistic simulation and strategy game in which you make life or death decisions. Create a deadly illness to infect and torment your victim or play as the head of a medical team and hopefully find a cure to save your human patient. Will you be the plague or preserve humanity?
Call to Arms
Call to Arms offers an innovative mix of real-time strategy and 3rd, as well as 1st person controls. Set in the time of modern warfare, the game offers realistically modeled vehicles and heavy weaponry. Command your troops to victory or fight by yourself in the 3rd or 1st person action mode.
Wargame: Airland Battle
2 SIDES, 12 NATIONS, 750 UNITS: THE STRATEGY GAME REFERENCE IS BACK! Richer, more beautiful and more accessible, Wargame AirLand Battle is the sequel to the explosive real-time strategy game Wargame European Escalation! 1985.
Wargame: European Escalation
The New Fatal Error DLC includes a new 5-mission Operation and touch-screen controls.
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!
8-Bit Invaders!
8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.
OpenTTD
OpenTTD is a business simulation game in which players earn money by transporting passengers and cargo via road, rail, water, and air. It is an open-source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe.
Conan Unconquered
From the Command & Conquer veterans at Petroglyph comes the first ever survival RTS set in the savage world of Conan the Barbarian. Play solo or team up in multiplayer in Conan Unconquered’s action-packed co-op Mode where you build a shared stronghold and fend off the hordes together.
CONFLICT OF NATIONS: WORLD WAR 3
This Long Term Strategy Game lets you take control of the armed forces of your nation. Become responsible for its military expansion, technological research and economic development. Form alliances and wage total war for global dominance on the battlefields of World War 3.
Art of War: Red Tides
Art of War: Red Tides is a fair multiplayer strategy game that allows different teams on the same platform (e.g. smartphones, PC, etc.) to battle against each other. You will encounter players around the world!
Worm.is: The Game
Smash worms or slither trying! Warning: Incredibly addicting Multiplayer Game!
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.Most played games like Zero-K on Steam
Take a look at the top games like Zero-K that are currently attracting the largest player bases on the Steam platform, as of April 17th 2025.
1. Dota 2
Similarity 68% Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own. Dota 2 is a free to play, moba and multiplayer game developed and published by Valve. Released on July 09th 2013 has received 2,466,311 reviews of which 2,010,666 were positive and 455,645 were negative resulting in a rating of 8.1 out of 10. The game has hit the top spot as the #1 most played game like Zero-K, thanks to its 296,455 peak concurrent players over the last day.
8.1
2,010,666
455,645
296,455
players
2. Once Human
Similarity 63% Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world. Once Human is a multiplayer, free to play and open world survival craft game developed and published by Starry Studio. Released on July 09th 2024 has received 124,888 reviews of which 92,215 were positive and 32,673 were negative resulting in a rating of 7.3 out of 10. While seeing 14,028 players online at once in the last 24 hours, this game is currently ranked #2 among games like Zero-K based on player count.
7.3
92,215
32,673
14,028
players
3. Raft
Similarity 62% Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks! Raft is a survival, multiplayer and open world survival craft game developed by Redbeet Interactive and published by Axolot Games. Released on June 20th 2022 has received 342,483 reviews of which 319,669 were positive and 22,814 were negative resulting in an impressive rating of 9.2 out of 10. While seeing 4,520 players online at once in the last 24 hours, this game is currently ranked #3 among games like Zero-K based on player count.
9.2
319,669
22,814
4,520
players
4. Total War: ROME II - Emperor Edition
Similarity 62% Emperor Edition is the definitive edition of ROME II, featuring an improved politics system, overhauled building chains, rebalanced battles and improved visuals in both campaign and battleEmperor Edition contains all free feature updates since its release in 2013, which includes bug fixes, balancing, Twitch. Total War: ROME II - Emperor Edition is a strategy, historical and turn-based strategy game developed by Creative Assembly and published by SEGA. Released on September 02nd 2013 has received 87,437 reviews of which 72,882 were positive and 14,555 were negative resulting in a rating of 8.2 out of 10. With 3,962 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Zero-K.
8.2
72,882
14,555
3,962
players
5. Age of Empires III: Definitive Edition
Similarity 66% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 47,511 reviews of which 40,165 were positive and 7,346 were negative resulting in a rating of 8.3 out of 10. With 3,204 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Zero-K.
8.3
40,165
7,346
3,204
players
6. Clicker Heroes
Similarity 64% Ever wondered what one quadrillion damage per second feels like? Wonder no more! Embark on your quest to attain it today! Clicker Heroes is a clicker, idler and casual game developed and published by Playsaurus. Released on May 13th 2015 has received 61,156 reviews of which 54,871 were positive and 6,285 were negative resulting in a rating of 8.8 out of 10. With 2,048 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Zero-K.
8.8
54,871
6,285
2,048
players
7. Company of Heroes 2
Similarity 70% Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below. Company of Heroes 2 is a strategy, world war ii and rts game developed by Relic Entertainment and Feral Interactive (Linux) and published by Relic Entertainment, Feral interactive (Mac) and Feral Interactive (Linux). Released on June 25th 2013 has received 109,353 reviews of which 86,351 were positive and 23,002 were negative resulting in a rating of 7.8 out of 10. With 1,904 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Zero-K.
7.8
86,351
23,002
1,904
players
8. Crusader Kings II
Similarity 65% Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy. Crusader Kings II is a grand strategy, strategy and medieval game developed by Paradox Development Studio and published by Paradox Interactive. Released on February 14th 2012 has received 73,649 reviews of which 66,224 were positive and 7,425 were negative resulting in a rating of 8.9 out of 10. With 1,545 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Zero-K.
8.9
66,224
7,425
1,545
players
9. One-armed robber
Similarity 69% One-armed robber is a chaotic first-person heist game that centers around a uniquely challenging premise. Players take the role of a determined robber equipped with only one arm, tasked with pulling off daring heists on banks, shops, and various establishments. One-armed robber is a free to play, multiplayer and heist game developed and published by Duhndal. Released on December 15th 2023 has received 37,077 reviews of which 33,912 were positive and 3,165 were negative resulting in a rating of 9.0 out of 10. With 864 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Zero-K.
9.0
33,912
3,165
864
players
10. Age of Mythology: Extended Edition
Similarity 65% Age of Mythology is back! Choose your god and take to the battlefield in this classic, upgraded with full Steamworks integration and enhanced features. Age of Mythology: Extended Edition is a strategy, mythology and rts game developed by SkyBox Labs and Ensemble Studios and published by Xbox Game Studios. Released on May 08th 2014 has received 35,136 reviews of which 32,730 were positive and 2,406 were negative resulting in an impressive rating of 9.1 out of 10. With 838 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Zero-K.
9.1
32,730
2,406
838
players
Best deals on games like Zero-K on Steam
Discover fantastic savings with the best discounts on a variety of games like Zero-K available on Steam right now, updated on April 17th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Zero-K.
1. Ashes of the Singularity: Escalation
Similarity 68% A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat. Ashes of the Singularity: Escalation is a rts, base-building and pvp game developed by Stardock Entertainment and Oxide Games and published by Stardock Entertainment. Released on November 10th 2016 has received 4,738 reviews of which 3,526 were positive and 1,212 were negative resulting in a rating of 7.3 out of 10. Featuring a massive 94% discount, this game currently holds the #1 spot in the best deals for games like Zero-K.
7.3
3,526
1,212
-94%
29.17€
1.75€
2. RIOT: Civil Unrest
Similarity 63% As civil crisis deepens and inequality tears the very fabric of society the discontentment of the masses manifests itself in violent public disturbances and civil disorder. Play as the police or the angry horde as RIOT – Civil Unrest places you in some of the world’s most fractious disputes. RIOT: Civil Unrest is a strategy, simulation and indie game developed by Leonard Menchiari, IV Productions and Ivan Venturi Productions and published by Silver Lining Interactive. Released on February 12th 2019 has received 1,801 reviews of which 1,233 were positive and 568 were negative resulting in a rating of 6.7 out of 10. Thanks to its incredible 93% discount, this game is now the #2 best deal in games like Zero-K.
6.7
1,233
568
-93%
16.00€
1.12€
3. Distant Worlds: Universe
Similarity 64% Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game. Distant Worlds: Universe is a strategy, 4x and space game developed by Code Force and published by Slitherine Ltd.. Released on May 23rd 2014 has received 1,815 reviews of which 1,375 were positive and 440 were negative resulting in a rating of 7.3 out of 10. Thanks to its incredible 92% discount, this game is now the #3 best deal in games like Zero-K.
7.3
1,375
440
-92%
28.00€
2.24€
4. Company of Heroes 2
Similarity 70% Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below. Company of Heroes 2 is a strategy, world war ii and rts game developed by Relic Entertainment and Feral Interactive (Linux) and published by Relic Entertainment, Feral interactive (Mac) and Feral Interactive (Linux). Released on June 25th 2013 has received 109,353 reviews of which 86,351 were positive and 23,002 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 88% discount, this title has earned the #4 position in the best deals for games like Zero-K.
7.8
86,351
23,002
-88%
19.50€
2.34€
5. Iron Harvest
Similarity 63% A classic real-time strategy game with an epic single player campaign, multiplayer & coop, set in the alternate reality of 1920+ Iron Harvest is a rts, strategy and base-building game developed by KING Art and published by Prime Matter. Released on August 31st 2020 has received 14,947 reviews of which 10,857 were positive and 4,090 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 85% discount, this title has earned the #5 position in the best deals for games like Zero-K.
7.1
10,857
4,090
-85%
29.99€
4.49€
6. SPACECOM
Similarity 63% 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 353 were positive and 161 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 85% discount, this title has earned the #6 position in the best deals for games like Zero-K.
6.6
353
161
-85%
9.99€
1.49€
7. A Total War Saga: FALL OF THE SAMURAI
Similarity 62% Experience the dramatic conflict of samurai culture and modern weaponry between the Imperial throne and the last Shogunate in 19th century Japan. A Total War Saga: FALL OF THE SAMURAI is a strategy, historical and rts game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on March 22nd 2012 has received 1,597 reviews of which 1,096 were positive and 501 were negative resulting in a rating of 6.7 out of 10. Currently offered at a significant 83% discount, this title has earned the #7 position in the best deals for games like Zero-K.
6.7
1,096
501
-83%
29.29€
4.98€
8. Warhammer 40,000: Dawn of War II - Anniversary Edition
Similarity 62% All of Warhammer 40,000: Dawn of War II in one package. Play the award-winning real-time strategy game in all its glory, including three full campaigns, six multiplayer factions, and a full co-op Last Stand mode with eight unique heroes. Warhammer 40,000: Dawn of War II - Anniversary Edition is a warhammer 40k, strategy and rts game developed and published by Relic Entertainment and Feral Interactive (Mac/Linux). Released on February 18th 2009 has received 12,644 reviews of which 11,181 were positive and 1,463 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 80% discount, this title has earned the #8 position in the best deals for games like Zero-K.
8.6
11,181
1,463
-80%
44.99€
8.99€
9. Rise of Nations: Extended Edition
Similarity 66% Rise of Nations is back! Play the updated classic with full Steamworks integration and enhanced features! Rise of Nations: Extended Edition is a strategy, rts and classic game developed by SkyBox Labs and Big Huge Games and published by Xbox Game Studios. Released on June 12th 2014 has received 14,596 reviews of which 13,820 were positive and 776 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 76% discount, this title has earned the #9 position in the best deals for games like Zero-K.
9.2
13,820
776
-76%
19.92€
4.78€
10. Supreme Commander 2
Similarity 62% Includes 47 Steam achievements, leaderboards, and stats! Supreme Commander 2 is a strategy, rts and sci-fi game developed by Gas Powered Games and published by Square Enix. Released on March 01st 2010 has received 12,351 reviews of which 10,909 were positive and 1,442 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 76% discount, this title has earned the #10 position in the best deals for games like Zero-K.
8.6
10,909
1,442
-76%
13.21€
3.17€
Free games like Zero-K on Steam
Check out this fantastic list of free-to-play games like Zero-K you can enjoy on Steam right now, updated on April 17th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Zero-K.
1. Dota 2
Similarity 68% Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own. Dota 2 is a free to play, moba and multiplayer game developed and published by Valve. Released on July 09th 2013 has received 2,466,311 reviews of which 2,010,666 were positive and 455,645 were negative resulting in a rating of 8.1 out of 10. With 296,455 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Zero-K.
8.1
2,010,666
455,645
296,455
players
2. Once Human
Similarity 63% Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world. Once Human is a multiplayer, free to play and open world survival craft game developed and published by Starry Studio. Released on July 09th 2024 has received 124,888 reviews of which 92,215 were positive and 32,673 were negative resulting in a rating of 7.3 out of 10. Thanks to its free to play tag and a daily player base of 14,028, this game has secured the #2 spot in the ranking of free games like Zero-K.
7.3
92,215
32,673
14,028
players
3. Age of Empires III: Definitive Edition
Similarity 66% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 47,511 reviews of which 40,165 were positive and 7,346 were negative resulting in a rating of 8.3 out of 10. Thanks to its free to play tag and a daily player base of 3,204, this game has secured the #3 spot in the ranking of free games like Zero-K.
8.3
40,165
7,346
3,204
players
4. Clicker Heroes
Similarity 64% Ever wondered what one quadrillion damage per second feels like? Wonder no more! Embark on your quest to attain it today! Clicker Heroes is a clicker, idler and casual game developed and published by Playsaurus. Released on May 13th 2015 has received 61,156 reviews of which 54,871 were positive and 6,285 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 2,048 players due to its free access, this strategy game has achieved the #4 position in the best free games like Zero-K.
8.8
54,871
6,285
2,048
players
5. Crusader Kings II
Similarity 65% Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy. Crusader Kings II is a grand strategy, strategy and medieval game developed by Paradox Development Studio and published by Paradox Interactive. Released on February 14th 2012 has received 73,649 reviews of which 66,224 were positive and 7,425 were negative resulting in a rating of 8.9 out of 10. Attracting a solid base of 1,545 players due to its free access, this strategy game has achieved the #5 position in the best free games like Zero-K.
8.9
66,224
7,425
1,545
players
6. One-armed robber
Similarity 69% One-armed robber is a chaotic first-person heist game that centers around a uniquely challenging premise. Players take the role of a determined robber equipped with only one arm, tasked with pulling off daring heists on banks, shops, and various establishments. One-armed robber is a free to play, multiplayer and heist game developed and published by Duhndal. Released on December 15th 2023 has received 37,077 reviews of which 33,912 were positive and 3,165 were negative resulting in a rating of 9.0 out of 10. Attracting a solid base of 864 players due to its free access, this strategy game has achieved the #6 position in the best free games like Zero-K.
9.0
33,912
3,165
864
players
7. Realm Grinder
Similarity 65% Grow your realm, build alliances, and explore one of the deepest idle RPGs ever! Realm Grinder is a free to play, clicker and pixel graphics game developed by Divine Games and published by Kongregate. Released on June 15th 2017 has received 7,027 reviews of which 6,120 were positive and 907 were negative resulting in a rating of 8.5 out of 10. Attracting a solid base of 810 players due to its free access, this strategy game has achieved the #7 position in the best free games like Zero-K.
8.5
6,120
907
810
players
8. Business Tour - Board Game with Online Multiplayer
Similarity 74% "Business Tour" is a free to play multiplayer tabletop game. Build your monopoly with friends. Complete daily tasks, compete against the other players and receive trade items rewards! Business Tour - Board Game with Online Multiplayer is a board game, free to play and multiplayer game developed by and published by 8floor. Released on July 27th 2017 has received 76,297 reviews of which 46,352 were positive and 29,945 were negative resulting in a rating of 6.0 out of 10. Attracting a solid base of 807 players due to its free access, this strategy game has achieved the #8 position in the best free games like Zero-K.
6.0
46,352
29,945
807
players
9. CONFLICT OF NATIONS: WORLD WAR 3
Similarity 74% This Long Term Strategy Game lets you take control of the armed forces of your nation. Become responsible for its military expansion, technological research and economic development. Form alliances and wage total war for global dominance on the battlefields of World War 3. CONFLICT OF NATIONS: WORLD WAR 3 is a strategy, free to play and wargame game developed and published by Dorado Games. Released on March 15th 2018 has received 5,107 reviews of which 3,960 were positive and 1,147 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 540 players due to its free access, this strategy game has achieved the #9 position in the best free games like Zero-K.
7.5
3,960
1,147
540
players
10. War Selection
Similarity 77% War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map. War Selection is a strategy, base-building and free to play game developed and published by Glyph Worlds. Released on October 08th 2019 has received 21,670 reviews of which 18,620 were positive and 3,050 were negative resulting in a rating of 8.4 out of 10. Attracting a solid base of 508 players due to its free access, this strategy game has achieved the #10 position in the best free games like Zero-K.
8.4
18,620
3,050
508
players