Games like Halo: Spartan Strike on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Halo: Spartan Strike are available at the bottom of the page.

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Battlestar Galactica Deadlock

In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival?

Similarity 54%
Price -70% 11.69€
Rating 8.1
Release 31 Aug 2017

Vanquish

PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.

Similarity 54%
Price 19.99€
Rating 8.7
Release 25 May 2017

Angels Fall First

From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever wanted in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full AI support included!

Similarity 54%
Price 17.99€
Rating 7.9
Release 01 Oct 2015

Call of Duty®: Black Ops III

Call of Duty®: Black Ops III Zombies Chronicles Edition includes the full base game plus the Zombies Chronicles content expansion.

Similarity 54%
Price -67% 19.79€
Rating 8.3
Release 05 Nov 2015

Revolution Ace

A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.

Similarity 54%
Price 4.99€
Rating 7.0
Release 19 Mar 2014

Orcs Must Die!

Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.

Similarity 54%
Price -88% 1.00€
Rating 9.3
Release 11 Oct 2011

Supreme Commander 2

Includes 47 Steam achievements, leaderboards, and stats!

Similarity 54%
Price -76% 3.17€
Rating 8.6
Release 01 Mar 2010

Dystopia

Dystopia is a cyberpunk game with tense combat situations in a high-tech world spanned by computer networks. Playing as either Punk mercenaries, or Corporate security forces, the player will fight through the physical world to gain access, via jack-in terminals, to cyberspace.

Similarity 54%
Price Free to play
Rating 8.1
Release 06 Feb 2009

Warhammer 40,000: Dawn of War II - Anniversary Edition

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.

Similarity 54%
Price -80% 8.99€
Rating 8.6
Release 18 Feb 2009

Cluckmech Oasis

Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.

Similarity 54%
Price -38% 6.00€
Rating 8.5
Release 09 May 2024

Warden's Will

Warden’s Will is a fast paced movement shooter roguelite, playable solo or in up-to 3 player co-op. Choose your Warden, master unique movements and abilities, and overpower hordes of robots in intense battles. Fly, dash, smash, and turn bullet-hell into bullet-heaven!

Similarity 54%
Price 14.79€
Rating 7.1
Release 08 Jan 2025

Gears 5

From one of gaming’s most acclaimed sagas, Gears is bigger than ever. With all-out war descending, Kait Diaz breaks away to uncover her connection to the enemy and discovers the true danger to Sera – herself.

Similarity 54%
Price 29.99€
Rating 6.9
Release 09 Sep 2019

OUTRIDERS

Outriders’ brutal and bloody combat combines frenetic gunplay, violent powers and deep RPG systems to create a true genre hybrid.

Similarity 54%
Price -74% 10.37€
Rating 6.6
Release 01 Apr 2021

Duke Nukem 3D: 20th Anniversary World Tour

Frag like it’s 1996 – this time with even more asses to kick! Join the world’s greatest action hero in Duke Nukem 3D: 20th Anniversary World Tour as he saves Earth once again, kicking alien ass and saving babes across the globe along the way.

Similarity 54%
Price -87% 2.65€
Rating 8.2
Release 11 Oct 2016

Duke Nukem Forever

The King arrives with an arsenal of over-the-top weapons, giant explosions and pure unadulterated fun!

Similarity 54%
Price 19.99€
Rating 6.8
Release 09 Jun 2011

Quake 4

As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.

Similarity 54%
Price -73% 3.99€
Rating 8.4
Release 04 Aug 2011

Half-Life

Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.

Similarity 54%
Price 8.19€
Rating 9.5
Release 19 Nov 1998

Crysis 2 Remastered

Relive the legendary single-player campaign from the classic first-person shooter, Crysis 2, optimized for today's hardware in Crysis 2 Remastered.

Similarity 53%
Price -76% 7.18€
Rating 8.6
Release 17 Nov 2022

Crimzon Clover World EXplosion

Prepare yourself for an insatiable rain of bullets, bombs, and beams in Crimzon Clover. Earn all the power-ups for an overpowered experience in the all new ARRANGE version.

Similarity 53%
Price 19.50€
Rating 8.9
Release 06 Dec 2021

EARTH DEFENSE FORCE: WORLD BROTHERS

A new EDF adventure begins! Only this time, the action unfolds in a parallel world where the Earth is made of digital blocks. This world has befallen into chaos, as the once peaceful square Earth has been shattered into pieces. Shape aside, it is an Earth nonetheless which needs to be defended.

Similarity 53%
Price -85% 6.13€
Rating 7.7
Release 27 May 2021

Dead Space™ 3

Journey across space to the icy planet of Tau Volantis with Isaac Clarke and Sgt. John Carver to discover and destroy the source of the Necromorph outbreak.

Similarity 53%
Price 19.99€
Rating 7.2
Release 18 Jun 2020

Ben 10: Power Trip

Evil Hex has cursed Europe – and only Ben 10 can stop him! Explore a 3D world filled with combat, puzzles and secrets as you save the day!

Similarity 53%
Price -86% 4.26€
Rating 7.4
Release 09 Oct 2020

Zombotron

Fight to survive on a mysterious alien planet, outwit its vicious inhabitants, and do whatever it takes to find a way off that wretched rock.

Similarity 53%
Price 12.49€
Rating 8.6
Release 22 Apr 2019

EARTH DEFENSE FORCE 4.1 The Shadow of New Despair

It's a fight for the future of the planet between the Ravagers, a merciless swarm of alien invaders, and the Earth Defense Force (EDF) in this third-person shooter.Play as four different classes in over 80 missions with a range of 800 weapons at your disposal.Co-op play supported.

Similarity 53%
Price -73% 4.46€
Rating 9.2
Release 18 Jul 2016

Most played games like Halo: Spartan Strike on Steam

Take a look at the top games like Halo: Spartan Strike that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.

1. HELLDIVERS™ 2

Similarity 55% The Galaxy’s Last Line of Offence. Enlist in the Helldivers and join the fight for freedom across a hostile galaxy in a fast, frantic, and ferocious third-person shooter. HELLDIVERS™ 2 is a online co-op, pve and third-person shooter game developed by Arrowhead Game Studios and published by PlayStation Publishing LLC. Released on February 08th 2024 has received 987,024 reviews of which 752,293 were positive and 234,731 were negative resulting in a rating of 7.6 out of 10. The game has hit the top spot as the #1 most played game like Halo: Spartan Strike, thanks to its 28,900 peak concurrent players over the last day.
7.6
752,293
234,731

28,900
players

2. Call of Duty®: Black Ops III

Similarity 54% Call of Duty®: Black Ops III Zombies Chronicles Edition includes the full base game plus the Zombies Chronicles content expansion. Call of Duty®: Black Ops III is a multiplayer, zombies and fps game developed by Treyarch and Aspyr (Mac) and published by Aspyr (Mac) and Activision. Released on November 05th 2015 has received 213,168 reviews of which 179,563 were positive and 33,605 were negative resulting in a rating of 8.3 out of 10. While seeing 5,293 players online at once in the last 24 hours, this game is currently ranked #2 among games like Halo: Spartan Strike based on player count.
8.3
179,563
33,605

5,293
players

3. Halo: The Master Chief Collection

Similarity 63% The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience. Halo: The Master Chief Collection is a great soundtrack, fps and classic game developed by 343 Industries, Splash Damage, Ruffian Games, Bungie and Saber Interactive and published by Xbox Game Studios. Released on December 03rd 2019 has received 239,857 reviews of which 221,654 were positive and 18,203 were negative resulting in an impressive rating of 9.1 out of 10. While seeing 4,535 players online at once in the last 24 hours, this game is currently ranked #3 among games like Halo: Spartan Strike based on player count.
9.1
221,654
18,203

4,535
players

4. Space Engineers

Similarity 53% 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. With 4,017 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Halo: Spartan Strike.
8.7
116,631
15,096

4,017
players

5. Halo Infinite

Similarity 57% From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. Halo Infinite is a free to play, fps and multiplayer game developed by 343 Industries and published by Xbox Game Studios. Released on November 15th 2021 has received 176,290 reviews of which 123,035 were positive and 53,255 were negative resulting in a rating of 6.9 out of 10. With 2,508 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Halo: Spartan Strike.
6.9
123,035
53,255

2,508
players

6. METAL GEAR SOLID V: THE PHANTOM PAIN

Similarity 56% Ushering in a new era for the METAL GEAR franchise with cutting-edge technology powered by the Fox Engine, METAL GEAR SOLID V: The Phantom Pain, will provide players a first-rate gaming experience as they are offered tactical freedom to carry out open-world missions. METAL GEAR SOLID V: THE PHANTOM PAIN is a stealth, open world and action game developed and published by KONAMI. Released on September 01st 2015 has received 99,076 reviews of which 90,863 were positive and 8,213 were negative resulting in an impressive rating of 9.0 out of 10. With 2,021 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Halo: Spartan Strike.
9.0
90,863
8,213

2,021
players

7. STAR WARS™ Empire at War - Gold Pack

Similarity 55% 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 38,829 reviews of which 37,908 were positive and 921 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 #7 spot among the most played games like Halo: Spartan Strike.
9.6
37,908
921

1,932
players

8. BATTLETECH

Similarity 55% Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war. BATTLETECH is a mechs, strategy and turn-based tactics game developed by Harebrained Schemes and published by Paradox Interactive. Released on April 24th 2018 has received 31,367 reviews of which 26,263 were positive and 5,104 were negative resulting in a rating of 8.2 out of 10. With 1,812 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Halo: Spartan Strike.
8.2
26,263
5,104

1,812
players

9. Half-Life 2

Similarity 59% Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat. Half-Life 2 is a fps, action and sci-fi game developed and published by Valve. Released on November 16th 2004 has received 241,625 reviews of which 235,834 were positive and 5,791 were negative resulting in an impressive rating of 9.7 out of 10. With 1,757 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Halo: Spartan Strike.
9.7
235,834
5,791

1,757
players

10. DOOM Eternal

Similarity 52% Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you. DOOM Eternal is a fps, action and gore game developed by id Software and published by Bethesda Softworks. Released on March 19th 2020 has received 202,818 reviews of which 184,847 were positive and 17,971 were negative resulting in an impressive rating of 9.0 out of 10. With 1,588 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Halo: Spartan Strike.
9.0
184,847
17,971

1,588
players

Best deals on games like Halo: Spartan Strike on Steam

Discover fantastic savings with the best discounts on a variety of games like Halo: Spartan Strike 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 Halo: Spartan Strike.

1. Homeworld Remastered Collection

Similarity 56% Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation. Homeworld Remastered Collection is a space, strategy and rts game developed by Gearbox Software and Aspyr (Mac) and published by Aspyr (Mac) and Gearbox Publishing. Released on February 25th 2015 has received 13,513 reviews of which 11,942 were positive and 1,571 were negative resulting in a rating of 8.6 out of 10. Featuring a massive 94% discount, this game currently holds the #1 spot in the best deals for games like Halo: Spartan Strike.
8.6
11,942
1,571

-94% 33.33€ 2.00€

2. Marvel's Guardians of the Galaxy

Similarity 61% Fire up a wild ride across the cosmos with a fresh take on Marvel’s Guardians of the Galaxy. In this action-adventure game, you are Star-Lord leading the unpredictable Guardians from one explosion of chaos to the next. You got this. Probably. Marvel's Guardians of the Galaxy is a singleplayer, story rich and action game developed by Eidos-Montréal and published by Eidos Interactive Corp.. Released on October 26th 2021 has received 38,562 reviews of which 36,313 were positive and 2,249 were negative resulting in an impressive rating of 9.2 out of 10. Thanks to its incredible 92% discount, this game is now the #2 best deal in games like Halo: Spartan Strike.
9.2
36,313
2,249

-92% 62.38€ 4.99€

3. Scars Above

Similarity 52% Scars Above is a challenging sci-fi third-person action adventure shooter combining the rewarding feel of overcoming difficulty with a compelling and intricate story, set in a mysterious alien world to explore. Scars Above is a action, adventure and female protagonist game developed by Mad Head Games and published by Prime Matter. Released on February 28th 2023 has received 2,681 reviews of which 2,070 were positive and 611 were negative resulting in a rating of 7.5 out of 10. Thanks to its incredible 92% discount, this game is now the #3 best deal in games like Halo: Spartan Strike.
7.5
2,070
611

-92% 31.25€ 2.50€

4. Sniper Elite 4

Similarity 52% Discover unrivalled sniping freedom in the largest and most advanced World War 2 shooter ever built. Experience tactical third-person combat, gameplay choice and epic longshots across gigantic levels as you liberate wartime Italy from the grip of Fascism. Sniper Elite 4 is a sniper, action and multiplayer game developed and published by Rebellion. Released on February 13th 2017 has received 58,808 reviews of which 53,614 were positive and 5,194 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #4 position in the best deals for games like Halo: Spartan Strike.
9.0
53,614
5,194

-90% 58.00€ 5.80€

5. UBERMOSH

Similarity 53% UBERMOSH is an arcade game about cutting bullets with a sword, in a gun-filled cyberpunk mosh pit. UBERMOSH is a cyberpunk, pixel graphics and action game developed and published by Walter Machado. Released on August 13th 2015 has received 2,840 reviews of which 2,530 were positive and 310 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 90% discount, this title has earned the #5 position in the best deals for games like Halo: Spartan Strike.
8.6
2,530
310

-90% 4.99€ 0.49€

6. Battlezone: Combat Commander

Similarity 52% Battlezone: Combat Commander remasters FPS-RTS classic Battlezone II with slick new visuals, brand new achievements, Steam Workshop support and much more! The solar system is at war. Take command. Battlezone: Combat Commander is a strategy, action and rts game developed by Big Boat Interactive and published by Rebellion. Released on March 01st 2018 has received 872 reviews of which 784 were positive and 88 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like Halo: Spartan Strike.
8.5
784
88

-90% 20.60€ 2.06€

7. Alien Breed 2: Assault

Similarity 69% Can you survive the alien onslaught? Gamers across the world will now have a chance to play the next chapter in this high-budget, high-quality series. Alien Breed 2: Assault is a action, shooter and aliens game developed and published by Team17 Digital Ltd. Released on September 22nd 2010 has received 1,002 reviews of which 698 were positive and 304 were negative resulting in a rating of 6.7 out of 10. Currently offered at a significant 90% discount, this title has earned the #7 position in the best deals for games like Halo: Spartan Strike.
6.7
698
304

-90% 9.99€ 0.99€

8. Livelock

Similarity 68% Livelock is a co-operative top-down shooter where you play solo or with up to two allies to break the cycle of infinite war between machines. As one of the remaining Capital Intellects, your role is to unlock Eden and revive humanity. Livelock is a action, top-down shooter and co-op game developed by Tuque Games and published by Arc Games. Released on August 30th 2016 has received 832 reviews of which 662 were positive and 170 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 89% discount, this title has earned the #8 position in the best deals for games like Halo: Spartan Strike.
7.6
662
170

-89% 9.82€ 1.08€

9. Orcs Must Die!

Similarity 54% Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment. Orcs Must Die! is a tower defense, action and strategy game developed and published by Robot Entertainment. Released on October 11th 2011 has received 8,146 reviews of which 7,814 were positive and 332 were negative resulting in an impressive rating of 9.3 out of 10. Currently offered at a significant 88% discount, this title has earned the #9 position in the best deals for games like Halo: Spartan Strike.
9.3
7,814
332

-88% 8.33€ 1.00€

10. Orcs Must Die! 2

Similarity 57% 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 #10 position in the best deals for games like Halo: Spartan Strike.
9.1
17,883
1,355

-88% 12.33€ 1.48€

Free games like Halo: Spartan Strike on Steam

Check out this fantastic list of free-to-play games like Halo: Spartan Strike 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 Halo: Spartan Strike.

1. Halo Infinite

Similarity 57% From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. Halo Infinite is a free to play, fps and multiplayer game developed by 343 Industries and published by Xbox Game Studios. Released on November 15th 2021 has received 176,290 reviews of which 123,035 were positive and 53,255 were negative resulting in a rating of 6.9 out of 10. With 2,508 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Halo: Spartan Strike.
6.9
123,035
53,255

2,508
players

2. Star Trek Online

Similarity 52% 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. Thanks to its free to play tag and a daily player base of 1,200, this game has secured the #2 spot in the ranking of free games like Halo: Spartan Strike.
7.8
15,828
4,189

1,200
players

3. PlanetSide 2

Similarity 52% PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale. PlanetSide 2 is a free to play, fps and massively multiplayer game developed by Rogue Planet Games and published by Daybreak Game Company. Released on November 20th 2012 has received 73,438 reviews of which 59,495 were positive and 13,943 were negative resulting in a rating of 8 out of 10. Thanks to its free to play tag and a daily player base of 855, this game has secured the #3 spot in the ranking of free games like Halo: Spartan Strike.
8
59,495
13,943

855
players

4. SAS: Zombie Assault 4

Similarity 62% Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing. SAS: Zombie Assault 4 is a free to play, zombies and multiplayer game developed and published by Ninja Kiwi. Released on October 16th 2017 has received 9,011 reviews of which 7,770 were positive and 1,241 were negative resulting in a rating of 8.4 out of 10. Attracting a solid base of 141 players due to its free access, this strategy game has achieved the #4 position in the best free games like Halo: Spartan Strike.
8.4
7,770
1,241

141
players

5. Classic Marathon

Similarity 56% From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community. Classic Marathon is a fps, shooter and pvp game developed and published by Aleph One Developers. Released on May 10th 2024 has received 853 reviews of which 787 were positive and 66 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #5 spot among the most played free games like Halo: Spartan Strike.
8.7
787
66

88
players

6. AirMech

Similarity 56% 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 #6 spot among the most played free games like Halo: Spartan Strike.
8.2
8,957
1,693

50
players

7. Alien Swarm

Similarity 81% Co-operative multiplayer game and complete code base available for free. Alien Swarm is a free to play, co-op and action game developed and published by Valve. Released on July 19th 2010 has received 21,231 reviews of which 20,142 were positive and 1,089 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #7 spot among the most played free games like Halo: Spartan Strike.
9.3
20,142
1,089

20
players

8. CS2D

Similarity 54% CS2D is a free fast-paced top-down multiplayer shooter. Featuring many different game modes, a built-in map editor and much more. CS2D is a free to play, 2d and shooter game developed and published by Unreal Software. Released on November 15th 2017 has received 9,899 reviews of which 8,916 were positive and 983 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #8 spot among the most played free games like Halo: Spartan Strike.
8.8
8,916
983

15
players

9. Police Stories: The Academy

Similarity 54% Welcome, trainee! Use tactics and special equipment to become a true cop in the free version of Police Stories: The Academy. Neutralize criminals, search for clues and find a "rat" in the police station alone or in co-op with a partner. Police Stories: The Academy is a simulation, strategy and action game developed and published by HypeTrain Digital. Released on August 02nd 2022 has received 1,416 reviews of which 1,291 were positive and 125 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #9 spot among the most played free games like Halo: Spartan Strike.
8.7
1,291
125

13
players

10. RED HOT VENGEANCE

Similarity 61% He had one rule: No killing women or children. When a hitman is double-crossed by his employer, he brings forth a night of carnage and bloodshed. RED HOT VENGEANCE is a free to play, violent and gore game developed and published by Bros Before Giraffes. Released on July 11th 2019 has received 3,397 reviews of which 3,262 were positive and 135 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #10 spot among the most played free games like Halo: Spartan Strike.
9.2
3,262
135

9
players