Games like FOS on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like FOS are available at the bottom of the page.
Filters & Lists
Rising Angels: Reborn
Despite determination and skill, Natalie Puccile, a Special Investigations and Tactics officer, has spent her career watching over a listening post in the middle of deep space. After the orders that she has always dreamed of arrive, she finds herself in charge of a small destroyer and tasked with discovering the fate of a missing...
Dig or Die
Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.
The Escapists
The Escapists provides players the opportunity of experiencing a light-hearted insight into everyday prison life with the main objective being that of escaping!
Secrets of Grindea
Secrets of Grindea is an old-school Action RPG with co-op support for up to 4 players. Journey through fantastical lands and battle tons of different enemies and bosses in your quest for truth, friendship and, above all, finding the world’s rarest treasures!
Infectonator: Survivors
"Infectonator : Survivors" is a Randomized Permadeath Survival Simulator that combines RTS, Tower Defense, Roguelike, and Management-Simulation gameplay. The goal is to lead a group of survivors in a struggle to stay alive and find rescue in a zombie apocalyptic world.
Hero Siege
Hero Siege brings you the loot with a legion of playable character classes, procedually generated world, over 1000 unique items, endless replayability and a wide variety of dungeons and dangerous zones to explore!
Half Minute Hero: The Second Coming
The world's speediest homage/roast to JRPGs! Can you save the world in 30 seconds? Get a quest, find those in need, fight through dungeons, earn cash, get cool loot and level up until YOU>EVIL. Don't have enough time? Pay the Goddess to reset the clock and try again! Over 100 mini-JRPGs for you to test your might with!
Hammerwatch
A hack and slash action adventure, set in a fantasy pixel art environment. Play solo or co-op in this adventure from bottom to top of Castle Hammerwatch. Kill hordes of enemies with varied looks and features through four unique environments with traps, hidden secrets and puzzles.
UnEpic
Daniel was just an average guy. He was a great videogame player, a big fan of sci-fi movies, and a novice RPG player. In the midst of an RPG, he was teleported to a castle. At first, Daniel believed that he was having a massive hallucination.
NETHER DUNGEONS
Nether Dungeons is an action-packed dungeon crawler. Battle through procedurally generated dungeons, face relentless enemies, and defeat epic bosses. Customize your hero, wield diverse weapons, and survive intense challenges as you descend into ever-changing, dangerous depths.
Furi Demake - The Chain
Fight your way free in this 8-bit-inspired version of Furi's first boss fight against The Chain. Frantic action, nervous controls, a blend of shoot and sword fight reimagined in 90s style. Only 1 boss fight! A gift to Furi’s fans.
Indigo Park: Chapter 1
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
Sneak Out
Sneak Out is a free to play multiplayer game full of mischief and fun for up to six players. Enter the Haunted Castle and prepare to hunt, hide, or prank 'em all, causing all kinds of hilarious mayhem while trying to win the deadly game of hide and seek!
SkyIsland
"SkyIsland" is made by a group of students in a college, quarter-view action-adventure game. Enjoy the wonderful world and beautiful environments as you help the protagonist, Pino, fix his broken plane and defeat monsters to return home safely.
Jianghu Survivor
This is a light casual game of roguelite with Chinese style. Fight your way out of the monsters, either alone or with a group of three or four friends. Play as different characters, form a unique Build game, defeat the final monster, enjoy killing monsters!
Owinka Shooter
Owinka Shooter throws you into an action packed mad-dash through an evil facility. Get ready to fight for your escape!
Bloody Hell
A short but sweet game about an Angel on a Bloody Bullet-hell mission to kill Satan! Dash, Double Dash, Grapple & Blast your way through Hell to fulfill your Holy Mission. Will you be able to kill Satan? Or will you fail to master your abilities and DIE in this BLOODY HELL?
Fray Fight
Battle the evil hordes on your way to Valhalla. Annihilate thousands of monsters with overpowered attacks and upgrades.
Hacker Simulator: Free Trial
Become a hacker and build your online reputation to the top by discovering a simplified and enjoyable version of real-life hacking methods. Complete contracts, buy new programs, upgrade your computer, crack wifi networks and infiltrate peoples or companies online systems.Most played games like FOS on Steam
Take a look at the top games like FOS that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. Terraria
Similarity 73% Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available! Terraria is a open world survival craft, sandbox and survival game developed and published by Re-Logic. Released on May 16th 2011 has received 1,394,254 reviews of which 1,359,264 were positive and 34,990 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played game like FOS, thanks to its 24,884 peak concurrent players over the last day.
9.7
1,359,264
34,990
24,884
players
2. Unturned
Similarity 71% You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living. Unturned is a free to play, survival and zombies game developed and published by Smartly Dressed Games. Released on July 07th 2017 has received 553,929 reviews of which 505,358 were positive and 48,571 were negative resulting in an impressive rating of 9.1 out of 10. While seeing 15,006 players online at once in the last 24 hours, this game is currently ranked #2 among games like FOS based on player count.
9.1
505,358
48,571
15,006
players
3. IdleOn - The Idle RPG
Similarity 71% Create different classes who all work together when you're gone! When you return, spend their loot on powerful upgrades and synergies - but don't be fooled by the simple graphics, IdleOn gets more complex with each World Boss you defeat! IdleOn - The Idle RPG is a idler, pixel graphics and mmorpg game developed and published by Lavaflame2. Released on April 02nd 2021 has received 20,791 reviews of which 16,530 were positive and 4,261 were negative resulting in a rating of 7.8 out of 10. While seeing 12,000 players online at once in the last 24 hours, this game is currently ranked #3 among games like FOS based on player count.
7.8
16,530
4,261
12,000
players
4. DAVE THE DIVER
Similarity 76% DAVE THE DIVER is a casual, singleplayer adventure RPG featuring deep-sea exploration and fishing during the day and sushi restaurant management at night. Join Dave and his quirky friends as they seek to uncover the secrets of the mysterious Blue Hole. DAVE THE DIVER is a pixel graphics, casual and management game developed and published by MINTROCKET. Released on June 28th 2023 has received 126,300 reviews of which 122,564 were positive and 3,736 were negative resulting in an impressive rating of 9.6 out of 10. With 4,766 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like FOS.
9.6
122,564
3,736
4,766
players
5. NGU IDLE
Similarity 73% NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up! NGU IDLE is a free to play, idler and indie game developed and published by 4G. Released on October 01st 2019 has received 11,939 reviews of which 11,443 were positive and 496 were negative resulting in an impressive rating of 9.3 out of 10. With 3,412 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like FOS.
9.3
11,443
496
3,412
players
6. Aimlabs
Similarity 71% Aimlabs is the aim trainer of choice for over 40 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game! Aimlabs is a free to play, fps and shooter game developed and published by State Space Labs and Inc.. Released on June 16th 2023 has received 84,332 reviews of which 79,517 were positive and 4,815 were negative resulting in an impressive rating of 9.3 out of 10. With 3,049 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like FOS.
9.3
79,517
4,815
3,049
players
7. Idle Champions of the Forgotten Realms
Similarity 87% Idle Champions of the Forgotten Realms is a Dungeons & Dragons strategy management game uniting Champions from throughout the D&D multiverse into a grand adventure. Idle Champions of the Forgotten Realms is a dungeons & dragons, free to play and idler game developed and published by Codename Entertainment Inc.. Released on March 25th 2020 has received 14,368 reviews of which 11,141 were positive and 3,227 were negative resulting in a rating of 7.6 out of 10. With 2,871 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like FOS.
7.6
11,141
3,227
2,871
players
8. RuneScape ®
Similarity 76% RuneScape is a high fantasy open world MMORPG. Explore an ever changing and evolving living world where new challenges, skills, and quests await. Featuring unprecedented player freedom, you choose how to play, adventure, and grow. RuneScape ® is a free to play, mmorpg and open world game developed and published by Jagex Ltd. Released on October 14th 2020 has received 25,076 reviews of which 20,721 were positive and 4,355 were negative resulting in a rating of 8.1 out of 10. With 2,570 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like FOS.
8.1
20,721
4,355
2,570
players
9. Tap Ninja - Idle game
Similarity 99% Defeat enemies, earn gold, upgrade your village, become a Ninja Master! Tap Ninja - Idle game is a clicker, idler and casual game developed and published by Broken Glass. Released on March 17th 2022 has received 8,418 reviews of which 7,178 were positive and 1,240 were negative resulting in a rating of 8.3 out of 10. With 2,541 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like FOS.
8.3
7,178
1,240
2,541
players
10. SMITE®
Similarity 76% Join 40+ million players in SMITE, the Battleground of the Gods! Wield Thor’s hammer, turn your foes to stone as Medusa, or flex your divine power as one of 100+ other mythological icons. Become a God and play FREE today! SMITE® is a free to play, moba and multiplayer game developed by Titan Forge Games and published by Hi-Rez Studios. Released on September 08th 2015 has received 119,765 reviews of which 94,354 were positive and 25,411 were negative resulting in a rating of 7.8 out of 10. With 2,469 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like FOS.
7.8
94,354
25,411
2,469
players
Best deals on games like FOS on Steam
Discover fantastic savings with the best discounts on a variety of games like FOS 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 FOS.
1. Trine 2: Complete Story
Similarity 71% Three Heroes make their way through dangers untold in a fairytale world, featuring physics-based puzzles, beautiful sights and online co-op. Trine 2: Complete Story is a puzzle-platformer, platformer and adventure game developed and published by Frozenbyte. Released on June 06th 2013 has received 21,618 reviews of which 20,623 were positive and 995 were negative resulting in an impressive rating of 9.3 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like FOS.
9.3
20,623
995
-95%
20.00€
1.00€
2. Streets of Rogue
Similarity 73% Fight, sneak, and hack your way through randomly generated cities. It's like Nuclear Throne meets Deus Ex, mixed with the anarchy of GTA. Rogue-lite meets immersive sim, and goes completely insane. Streets of Rogue is a rogue-lite, action roguelike and pixel graphics game developed by Matt Dabrowski and published by tinyBuild. Released on July 12th 2019 has received 21,819 reviews of which 20,966 were positive and 853 were negative resulting in an impressive rating of 9.4 out of 10. Thanks to its incredible 91% discount, this game is now the #2 best deal in games like FOS.
9.4
20,966
853
-91%
19.22€
1.73€
3. Zombie Party
Similarity 73% Zombie Party is a retro rampage of fun and over-the-top action, while still giving the players a deep and engaging Action-RPG Rogue-like experience! Go on a time traveling adventure, or delve deep into procedural dungeons full of gold, loot, and secrets! Zombie Party is a action, action roguelike and indie game developed by Peach Pie Productions and published by Peach Pie Productions and Plug In Digital. Released on June 10th 2016 has received 682 reviews of which 581 were positive and 101 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 90% discount, this game is now the #3 best deal in games like FOS.
8.0
581
101
-90%
8.19€
0.81€
4. Hammerwatch
Similarity 73% A hack and slash action adventure, set in a fantasy pixel art environment. Play solo or co-op in this adventure from bottom to top of Castle Hammerwatch. Kill hordes of enemies with varied looks and features through four unique environments with traps, hidden secrets and puzzles. Hammerwatch is a dungeon crawler, indie and rpg game developed and published by Crackshell. Released on August 12th 2013 has received 6,436 reviews of which 5,754 were positive and 682 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 89% discount, this title has earned the #4 position in the best deals for games like FOS.
8.7
5,754
682
-89%
10.18€
1.12€
5. Rogue Heroes: Ruins of Tasos
Similarity 73% Rogue Heroes is a topdown, roguelite adventure game inspired by the Zelda franchise. Play solo or team up with your friends to combat procedurally generated dungeons and take down the evil Titans that threaten to overwhelm the land of Tasos! Rogue Heroes: Ruins of Tasos is a co-op, rpg and adventure game developed by Heliocentric Studios and published by Team17 Digital. Released on February 23rd 2021 has received 3,431 reviews of which 2,691 were positive and 740 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 89% discount, this title has earned the #5 position in the best deals for games like FOS.
7.6
2,691
740
-89%
19.73€
2.17€
6. Zombie Party
Similarity 73% Zombie Party is a retro rampage of fun and over-the-top action, while still giving the players a deep and engaging Action-RPG Rogue-like experience! Go on a time traveling adventure, or delve deep into procedural dungeons full of gold, loot, and secrets! Zombie Party is a game developed and published by . Released on June 10th 2016 has received 682 reviews of which 581 were positive and 101 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like FOS.
8.0
581
101
-90%
8.19€
0.81€
7. The Escapists
Similarity 73% The Escapists provides players the opportunity of experiencing a light-hearted insight into everyday prison life with the main objective being that of escaping! The Escapists is a pixel graphics, strategy and crafting game developed by Mouldy Toof Studios and published by Team17. Released on February 13th 2015 has received 16,021 reviews of which 14,460 were positive and 1,561 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 86% discount, this title has earned the #7 position in the best deals for games like FOS.
8.8
14,460
1,561
-86%
15.50€
2.17€
8. Cat Quest
Similarity 71% The multi award-winning Action RPG. Some say 'Diablo with Cats' others a 'Super-cute Skyrim', whatever your take, Cat Quest's loot-fuelled cat-venture is as beautifully crafted, as its combat and magic are ultra-satisfying. Universally adored by critics - it'll have you purring for joy! Cat Quest is a adventure, rpg and cats game developed by The Gentlebros and published by Kepler Interactive. Released on August 08th 2017 has received 9,591 reviews of which 9,101 were positive and 490 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 84% discount, this title has earned the #8 position in the best deals for games like FOS.
9.2
9,101
490
-84%
13.06€
2.09€
9. Eastward
Similarity 76% Welcome to the charming world of Eastward - population declining! Journey through a society on the brink of collapse. Discover delightful towns, strange creatures and even stranger people! Wield a trusty frying pan and mystic powers on an adventure into the unknown… Eastward is a pixel graphics, story rich and adventure game developed by Pixpil and published by Chucklefish. Released on September 16th 2021 has received 15,720 reviews of which 13,241 were positive and 2,479 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 84% discount, this title has earned the #9 position in the best deals for games like FOS.
8.2
13,241
2,479
-84%
25.56€
4.09€
10. Turnip Boy Commits Tax Evasion
Similarity 76% Play as an adorable yet trouble-making turnip. Avoid paying taxes, solve plantastic puzzles, harvest crops and battle massive beasts all in a journey to tear down a corrupt vegetable government! Turnip Boy Commits Tax Evasion is a indie, cute and adventure game developed by Snoozy Kazoo and published by Graffiti Games. Released on April 22nd 2021 has received 12,689 reviews of which 12,023 were positive and 666 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 80% discount, this title has earned the #10 position in the best deals for games like FOS.
9.2
12,023
666
-80%
12.49€
2.49€
Free games like FOS on Steam
Check out this fantastic list of free-to-play games like FOS 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 FOS.
1. Unturned
Similarity 71% You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living. Unturned is a free to play, survival and zombies game developed and published by Smartly Dressed Games. Released on July 07th 2017 has received 553,929 reviews of which 505,358 were positive and 48,571 were negative resulting in an impressive rating of 9.1 out of 10. With 15,006 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like FOS.
9.1
505,358
48,571
15,006
players
2. IdleOn - The Idle RPG
Similarity 71% Create different classes who all work together when you're gone! When you return, spend their loot on powerful upgrades and synergies - but don't be fooled by the simple graphics, IdleOn gets more complex with each World Boss you defeat! IdleOn - The Idle RPG is a idler, pixel graphics and mmorpg game developed and published by Lavaflame2. Released on April 02nd 2021 has received 20,791 reviews of which 16,530 were positive and 4,261 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 12,000, this game has secured the #2 spot in the ranking of free games like FOS.
7.8
16,530
4,261
12,000
players
3. NGU IDLE
Similarity 73% NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up! NGU IDLE is a free to play, idler and indie game developed and published by 4G. Released on October 01st 2019 has received 11,939 reviews of which 11,443 were positive and 496 were negative resulting in an impressive rating of 9.3 out of 10. Thanks to its free to play tag and a daily player base of 3,412, this game has secured the #3 spot in the ranking of free games like FOS.
9.3
11,443
496
3,412
players
4. Aimlabs
Similarity 71% Aimlabs is the aim trainer of choice for over 40 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game! Aimlabs is a free to play, fps and shooter game developed and published by State Space Labs and Inc.. Released on June 16th 2023 has received 84,332 reviews of which 79,517 were positive and 4,815 were negative resulting in an impressive rating of 9.3 out of 10. Attracting a solid base of 3,049 players due to its free access, this strategy game has achieved the #4 position in the best free games like FOS.
9.3
79,517
4,815
3,049
players
5. Idle Champions of the Forgotten Realms
Similarity 87% Idle Champions of the Forgotten Realms is a Dungeons & Dragons strategy management game uniting Champions from throughout the D&D multiverse into a grand adventure. Idle Champions of the Forgotten Realms is a dungeons & dragons, free to play and idler game developed and published by Codename Entertainment Inc.. Released on March 25th 2020 has received 14,368 reviews of which 11,141 were positive and 3,227 were negative resulting in a rating of 7.6 out of 10. Attracting a solid base of 2,871 players due to its free access, this strategy game has achieved the #5 position in the best free games like FOS.
7.6
11,141
3,227
2,871
players
6. RuneScape ®
Similarity 76% RuneScape is a high fantasy open world MMORPG. Explore an ever changing and evolving living world where new challenges, skills, and quests await. Featuring unprecedented player freedom, you choose how to play, adventure, and grow. RuneScape ® is a free to play, mmorpg and open world game developed and published by Jagex Ltd. Released on October 14th 2020 has received 25,076 reviews of which 20,721 were positive and 4,355 were negative resulting in a rating of 8.1 out of 10. Attracting a solid base of 2,570 players due to its free access, this strategy game has achieved the #6 position in the best free games like FOS.
8.1
20,721
4,355
2,570
players
7. Tap Ninja - Idle game
Similarity 99% Defeat enemies, earn gold, upgrade your village, become a Ninja Master! Tap Ninja - Idle game is a clicker, idler and casual game developed and published by Broken Glass. Released on March 17th 2022 has received 8,418 reviews of which 7,178 were positive and 1,240 were negative resulting in a rating of 8.3 out of 10. Attracting a solid base of 2,541 players due to its free access, this strategy game has achieved the #7 position in the best free games like FOS.
8.3
7,178
1,240
2,541
players
8. SMITE®
Similarity 76% Join 40+ million players in SMITE, the Battleground of the Gods! Wield Thor’s hammer, turn your foes to stone as Medusa, or flex your divine power as one of 100+ other mythological icons. Become a God and play FREE today! SMITE® is a free to play, moba and multiplayer game developed by Titan Forge Games and published by Hi-Rez Studios. Released on September 08th 2015 has received 119,765 reviews of which 94,354 were positive and 25,411 were negative resulting in a rating of 7.8 out of 10. Attracting a solid base of 2,469 players due to its free access, this strategy game has achieved the #8 position in the best free games like FOS.
7.8
94,354
25,411
2,469
players
9. Milky Way Idle
Similarity 73% Milky Way Idle: A multiplayer idle RPG where automation replaces grinding. Level up skills, gather resources, craft powerful items, and battle monsters—all while AFK. Trade in the marketplace, join a guild, team up for party combat, and socialize in chat as you progress effortlessly. Milky Way Idle is a casual, idler and trading game developed and published by cheze. Released on March 06th 2025 has received 485 reviews of which 418 were positive and 67 were negative resulting in a rating of 8.1 out of 10. Attracting a solid base of 2,212 players due to its free access, this strategy game has achieved the #9 position in the best free games like FOS.
8.1
418
67
2,212
players
10. Clicker Heroes
Similarity 91% 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 2,129 players due to its free access, this strategy game has achieved the #10 position in the best free games like FOS.
8.8
54,871
6,285
2,129
players