Games like The Callisto Protocol™ on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like The Callisto Protocol™ are available at the bottom of the page.
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Dead Space
The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.
Dead Space (2008)
You are Isaac Clarke, an engineer on the spacecraft USG Ishimura. You're not a warrior. You're not a soldier. You are, however, the last line of defense for the remaining living crew.
Dead Space™ 2
Three years after the Necromorph infestation aboard the USS Ishimura, Isaac Clarke awakens from a coma, confused, disoriented, and on a space station called The Sprawl. Explore this world and its zero-g environments to discover the truth about the Unitology and its role in the Necromorph epidemic.
The Thing: Remastered
The Thing: Remastered is a faithful restoration of the cult-classic 2002 third-person survival horror shooter game inspired by Universal Pictures’ genre-defining 1982 film, The Thing
Aliens: Fireteam Elite
Aliens: Fireteam Elite is a cooperative third-person survival game set in the iconic Alien Universe. Battle through hordes of different types of Xenomorph, customize your character and gear, and level-up as you try to contain this ever-growing threat.
Scars Above
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.
El Paso, Elsewhere
STAKES. GUNS. SLOW-MO. Fight werewolves and vampires in a reality-shifting motel. Dive through barricades to escape the grasp of evil puppets. Destroy the villain you loved. A new, third-person love letter to classic shooters. Neo-noir never looked so good.
Heaven Dust 2
Deep inside a research base, waking up from a cryogenic pod, you find yourself trapped in a living hell, surrounded by zombies. Heaven Dust 2 is a love letter to classic survival horror games featuring exploration, action, puzzles, and resource management.
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.
EVERSPACE™ 2
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
M.A.R.S.
MARS is a Free-To-Play Third Person Shooter set in an evolving sci-fi world. From the hilarious Headhunter mode, to Huge Mecha vs Mecha battles, to fully customizable loadouts; whether Co-op or PvP, M.A.R.S. has something for everyone. Kill, Die, Repeat.
Warhammer 40,000: Space Marine 2
Embody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes.
Galaxy on Fire 2™ Full HD
A hyperdrive malfunction sends Keith T. Maxwell tumbling through space and time to fight for his life against a mysterious alien armada that is wreaking havoc.
STAR WARS™: Bounty Hunter™
Bring In Your Bounty, Dead or Alive
SCP: Fragmented Minds
You arrive at Mars Site-113, a decaying monument to the SCP Foundation's ambition—and its failures. Once the most secure facility, now a cradle of horrors calling you to uncover its secrets. Face relentless anomalies, humanity's darkest truths, and a mission that demands survival above all else.
Resident Evil Revelations
Resident Evil® Revelations returns redefined for PC complete with high quality HD visuals, enhanced lighting effects and an immersive sound experience.
The Last of Us™ Part I
Discover the award-winning game that inspired the critically acclaimed television show. Guide Joel and Ellie through a post-apocalyptic America, and encounter unforgettable allies and enemies in The Last of Us™.
Akimbot
In the action-adventure platformer, Akimbot, blast your way through armies of robots, pilot spaceships and forge your own path to save the universe from impending doom! Set in a sci-fi world where only robots exist, travel the galaxy and experience non-stop robot mayhem and explosive action!
Red Faction®: Armageddon™
Red Faction: Armageddon Path to War includes 4 new missions, 2 unlockable items and 10 new achievements!
Mecha Knights: Nightmare
Mecha action shooter, plunging the player into an apocalyptic war. Engage in epic battles with endless hordes of monsters in your powerful customizable mechs.
LOST PLANET® 3
The extreme and unpredictable conditions that characterized the Lost Planet series return, harsher than ever before. Lost Planet 3 reveals new truths about the foreboding planet and the colonial history of E.D.N. III.
I Am Alive
I Am Alive casts the player as a lone survivor in a believable, dark and insecure post-apocalyptic world.
Hollowbody
A tech-noir survival horror short story, set in the urban decay of a long abandoned British city. Solve environmental puzzles, manage limited resources and fight for a way to escape beyond the wall.
Endoparasitic 2
Three limbs ripped off, infected with a deadly parasite, you must survive. Drag yourself through the hallways of an infested arcship, fight off twisted eldritch creatures, craft vaccines and ammunition, and escape to civilization.Most played games like The Callisto Protocol™ on Steam
Take a look at the top games like The Callisto Protocol™ that are currently attracting the largest player bases on the Steam platform, as of April 15th 2025.
1. The Last of Us™ Part II Remastered
Similarity 57% Experience the winner of over 300 Game of the Year awards, now on PC. Discover Ellie and Abby’s story with graphical enhancements, gameplay modes like the roguelike survival experience No Return, and more. The Last of Us™ Part II Remastered is a story rich, post-apocalyptic and third-person shooter game developed by Naughty Dog LLC, Nixxes Software and Iron Galaxy Studios and published by PlayStation Publishing LLC. Released on April 03rd 2025 has received 10,960 reviews of which 9,714 were positive and 1,246 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played game like The Callisto Protocol™, thanks to its 15,355 peak concurrent players over the last day.
8.6
9,714
1,246
15,355
players
2. Resident Evil 4
Similarity 59% Survival is just the beginning. Six years have passed since the biological disaster in Raccoon City. Leon S. Kennedy, one of the survivors, tracks the president's kidnapped daughter to a secluded European village, where there is something terribly wrong with the locals. Resident Evil 4 is a horror, action and survival horror game developed and published by CAPCOM Co. and Ltd.. Released on March 23rd 2023 has received 175,627 reviews of which 171,577 were positive and 4,050 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 7,536 players online at once in the last 24 hours, this game is currently ranked #2 among games like The Callisto Protocol™ based on player count.
9.6
171,577
4,050
7,536
players
3. Warhammer 40,000: Space Marine 2
Similarity 63% Embody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes. Warhammer 40,000: Space Marine 2 is a warhammer 40k, action and third-person shooter game developed by Saber Interactive and published by Focus Entertainment. Released on September 09th 2024 has received 157,413 reviews of which 130,499 were positive and 26,914 were negative resulting in a rating of 8.2 out of 10. While seeing 6,667 players online at once in the last 24 hours, this game is currently ranked #3 among games like The Callisto Protocol™ based on player count.
8.2
130,499
26,914
6,667
players
4. The Last of Us™ Part I
Similarity 61% Discover the award-winning game that inspired the critically acclaimed television show. Guide Joel and Ellie through a post-apocalyptic America, and encounter unforgettable allies and enemies in The Last of Us™. The Last of Us™ Part I is a story rich, post-apocalyptic and shooter game developed by Naughty Dog LLC and Iron Galaxy Studios and published by PlayStation Publishing LLC. Released on March 28th 2023 has received 74,231 reviews of which 58,153 were positive and 16,078 were negative resulting in a rating of 7.7 out of 10. With 4,361 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like The Callisto Protocol™.
7.7
58,153
16,078
4,361
players
5. DEATH STRANDING DIRECTOR'S CUT
Similarity 54% From legendary game creator Hideo Kojima comes a genre-defying experience, now expanded in this definitive DIRECTOR’S CUT. As Sam Bridges, your mission is to deliver hope to humanity by connecting the last survivors of a decimated America. Can you reunite the shattered world, one step at a time? DEATH STRANDING DIRECTOR'S CUT is a story rich, open world and walking simulator game developed by KOJIMA PRODUCTIONS and published by 505 Games. Released on March 30th 2022 has received 37,119 reviews of which 34,476 were positive and 2,643 were negative resulting in an impressive rating of 9.1 out of 10. With 3,714 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like The Callisto Protocol™.
9.1
34,476
2,643
3,714
players
6. Days Gone
Similarity 54% Ride and fight into a deadly, post pandemic America. Play as Deacon St. John, a drifter and bounty hunter who rides the broken road, fighting to survive while searching for a reason to live in this open-world action-adventure game. Days Gone is a open world, zombies and survival game developed by Bend Studio and published by PlayStation Publishing LLC. Released on May 17th 2021 has received 100,544 reviews of which 93,405 were positive and 7,139 were negative resulting in an impressive rating of 9.2 out of 10. With 2,440 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like The Callisto Protocol™.
9.2
93,405
7,139
2,440
players
7. REMNANT II®
Similarity 53% REMNANT II® pits survivors of humanity against new deadly creatures and god-like bosses across terrifying worlds. Play solo or co-op with two other friends to explore the depths of the unknown to stop an evil from destroying reality itself. REMNANT II® is a souls-like, co-op and action game developed by Gunfire Games and published by Arc Games. Released on July 25th 2023 has received 59,482 reviews of which 49,545 were positive and 9,937 were negative resulting in a rating of 8.2 out of 10. With 2,247 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like The Callisto Protocol™.
8.2
49,545
9,937
2,247
players
8. World War Z
Similarity 51% World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action. World War Z is a zombies, multiplayer and online co-op game developed and published by Saber Interactive Inc. Released on September 21st 2021 has received 25,451 reviews of which 21,157 were positive and 4,294 were negative resulting in a rating of 8.2 out of 10. With 2,211 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like The Callisto Protocol™.
8.2
21,157
4,294
2,211
players
9. Backrooms: Escape Together
Similarity 50% A visually lifelike co-op horror for 1-6 people. Journey through 9 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms. Backrooms: Escape Together is a multiplayer, horror and psychological horror game developed and published by Triiodide Studios. Released on October 18th 2022 has received 20,075 reviews of which 17,486 were positive and 2,589 were negative resulting in a rating of 8.5 out of 10. With 1,697 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like The Callisto Protocol™.
8.5
17,486
2,589
1,697
players
10. SILENT HILL 2
Similarity 50% Investigating a letter from his late wife, James returns to where they made so many memories - Silent Hill. What he finds is a ghost town, prowled by disturbing monsters and cloaked in deep fog. Confront the monsters, solve puzzles, and search for traces of your wife in this remake of SILENT HILL 2. SILENT HILL 2 is a psychological horror, horror and survival horror game developed by Bloober Team SA and published by KONAMI. Released on October 07th 2024 has received 41,296 reviews of which 39,355 were positive and 1,941 were negative resulting in an impressive rating of 9.4 out of 10. With 912 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like The Callisto Protocol™.
9.4
39,355
1,941
912
players
Best deals on games like The Callisto Protocol™ on Steam
Discover fantastic savings with the best discounts on a variety of games like The Callisto Protocol™ available on Steam right now, updated on April 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like The Callisto Protocol™.
1. Marvel's Guardians of the Galaxy
Similarity 53% 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 38,454 reviews of which 36,217 were positive and 2,237 were negative resulting in an impressive rating of 9.2 out of 10. Featuring a massive 92% discount, this game currently holds the #1 spot in the best deals for games like The Callisto Protocol™.
9.2
36,217
2,237
-92%
62.38€
4.99€
2. Scars Above
Similarity 68% 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 #2 best deal in games like The Callisto Protocol™.
7.5
2,070
611
-92%
31.25€
2.50€
3. Them and Us
Similarity 52% Them and Us is a classic, survival horror game with a focus on atmosphere and player immersion. Discover the truth of Alicia’s past as she descends further into her strange, unending nightmare. Them and Us is a female protagonist, survival horror and horror game developed by TendoGames Co. and Ltd. and published by TendoGames Co., Ltd. and 方块游戏(CubeGame). Released on September 28th 2021 has received 1,363 reviews of which 1,040 were positive and 323 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 The Callisto Protocol™.
7.3
1,040
323
-92%
32.50€
2.60€
4. Deliver Us Mars
Similarity 51% Deliver Us Mars is an atmospheric sci-fi adventure taking you on a suspense-fuelled, high-stakes mission to recover the ARK colony ships stolen by the mysterious Outward. Deliver Us Mars is a story rich, sci-fi and mars game developed by KeokeN Interactive and published by Frontier Foundry. Released on February 02nd 2023 has received 2,508 reviews of which 1,882 were positive and 626 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #4 position in the best deals for games like The Callisto Protocol™.
7.3
1,882
626
-92%
30.38€
2.43€
5. Fobia - St. Dinfna Hotel
Similarity 52% Explore a decadent hotel across different timelines and uncover the dark history of a fanatical cult and your role in their plans. Fobia - St. Dinfna Hotel is a indie, survival horror and violent game developed by Pulsatrix Studios and published by Maximum Entertainment. Released on June 28th 2022 has received 1,910 reviews of which 1,635 were positive and 275 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like The Callisto Protocol™.
8.2
1,635
275
-91%
26.00€
2.34€
6. Deadly Premonition 2: A Blessing in Disguise
Similarity 52% Deadly Premonition 2: A Blessing in Disguise is an open-world survival horror video game serving as both a sequel and prequel to the original Deadly Premonition: The Director’s Cut. Deadly Premonition 2: A Blessing in Disguise is a adventure, action and mystery game developed by Toy Box Inc. and White Owls Inc. and published by Rising Star Games. Released on June 11th 2022 has received 399 reviews of which 287 were positive and 112 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like The Callisto Protocol™.
6.8
287
112
-90%
39.99€
3.99€
7. Ghostbusters: The Video Game Remastered
Similarity 56% The beloved and critically acclaimed Ghostbusters video game is back! Strap on your proton pack once again and join the Ghostbusters on the adventure with the voice and likeness of the original crew as you battle to save New York! Ghostbusters: The Video Game Remastered is a third-person shooter, action and shooter game developed by Saber Interactive and published by Mad Dog Games and LLC. Released on November 17th 2020 has received 1,982 reviews of which 1,791 were positive and 191 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 88% discount, this title has earned the #7 position in the best deals for games like The Callisto Protocol™.
8.6
1,791
191
-88%
20.17€
2.42€
8. Alien: Isolation
Similarity 50% Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger. Alien: Isolation is a horror, survival horror and sci-fi game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on October 06th 2014 has received 60,046 reviews of which 55,969 were positive and 4,077 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 87% discount, this title has earned the #8 position in the best deals for games like The Callisto Protocol™.
9.2
55,969
4,077
-87%
40.08€
5.21€
9. War Tech Fighters
Similarity 53% War Tech Fighters - the space action game that combines the spectacular action of Japanese Anime with Hollywood Blockbusters. Configure, upgrade and customize your War Tech and dive into battle to fight back the Zatronian forces and save your galaxy! War Tech Fighters is a action, mechs and shooter game developed by Drakkar Dev and published by Green Man Gaming Publishing. Released on July 25th 2018 has received 334 reviews of which 258 were positive and 76 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 87% discount, this title has earned the #9 position in the best deals for games like The Callisto Protocol™.
7.3
258
76
-87%
19.38€
2.52€
10. CASE: Animatronics
Similarity 50% CASE: Animatronics is a truly scary and challenging first-person stealth horror on PC. Control of the police department is in the hands of anonymous hacker. All exits are locked. Electricity is off. Metallic thumps are getting closer. Will you survive, Detective Bishop? CASE: Animatronics is a horror, robots and survival horror game developed by Walnut LLC and Last Level and published by Walnut LLC. Released on August 03rd 2016 has received 3,896 reviews of which 3,247 were positive and 649 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 86% discount, this title has earned the #10 position in the best deals for games like The Callisto Protocol™.
8.1
3,247
649
-86%
9.75€
1.36€
Free games like The Callisto Protocol™ on Steam
Check out this fantastic list of free-to-play games like The Callisto Protocol™ you can enjoy on Steam right now, updated on April 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like The Callisto Protocol™.
1. M.A.R.S.
Similarity 63% MARS is a Free-To-Play Third Person Shooter set in an evolving sci-fi world. From the hilarious Headhunter mode, to Huge Mecha vs Mecha battles, to fully customizable loadouts; whether Co-op or PvP, M.A.R.S. has something for everyone. Kill, Die, Repeat. M.A.R.S. is a third-person shooter, pve and pvp game developed by Yingpei Games and published by SubaGames. Released on October 28th 2021 has received 1,080 reviews of which 684 were positive and 396 were negative resulting in a rating of 6.2 out of 10. The game currently holds the #1 spot among the most played free games like The Callisto Protocol™.
6.2
684
396
33
players
2. BEACHED
Similarity 54% A free-to-play, low-poly, open-world survival shooter where you’ll battle other players, explore massive monuments, and fight to stay alive. Build and fortify your base to defend against enemy raids, gather resources, and conquer a harsh, competitive world. Survival means doing whatever it takes. BEACHED is a free to play, multiplayer and early access game developed and published by Gradient Studios. Released on August 04th 2021 has received 3,498 reviews of which 2,276 were positive and 1,222 were negative resulting in a rating of 6.4 out of 10. The game currently holds the #2 spot among the most played free games like The Callisto Protocol™.
6.4
2,276
1,222
25
players
3. Assault Bots
Similarity 51% Assault Bots is a fast-paced multiplayer robot shooter game. Create your robot, let it drive, walk, or fly, and battle other players online in this intense shooter. Game features multiple maps and game modes. Assault Bots is a third-person shooter, action and vehicular combat game developed and published by Blayze Games and L.L.C.. Released on April 15th 2022 has received 320 reviews of which 267 were positive and 53 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #3 spot among the most played free games like The Callisto Protocol™.
7.8
267
53
6
players
4. Zombie Carnage 2
Similarity 52% Zombie Carnage 2 is a 32 player first person shooter where you will play both as a human and zombie. By killing zombies and infecting humans you will permanently level up, unlock weapons, attachments, zombie classes and more. Zombie Carnage 2 is a zombies, multiplayer and shooter game developed and published by LNJ. Released on February 03rd 2022 has received 942 reviews of which 603 were positive and 339 were negative resulting in a rating of 6.2 out of 10. The game currently holds the #4 spot among the most played free games like The Callisto Protocol™.
6.2
603
339
1
players