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
Tap Ninja - Idle game
Defeat enemies, earn gold, upgrade your village, become a Ninja Master!
Soda Dungeon
Pop the top on some legendary action with Soda Dungeon, the fresh and fizzy hit mobile RPG adventure, now available on your desktop! Manage your team as you raid the local dungeons, upgrade your tavern, and attract new party members. Gold, legendary items, and more await you.
Soda Dungeon 2
Everyone’s favorite laid-back dungeon crawler returns in Soda Dungeon 2. Featuring a new adventure, a whole town to upgrade, crafting, new classes, alternate dimensions, and more! It’s everything you loved about the original plus all the stuff you’ve been asking for.
Trick & Treat
Trick or treating in a vampire's house.Trick & Treat is a light-hearted Halloween adventure. It's about exploring and solving puzzles in a spooky atmosphere. There will be some horror elements, romance, many bad ends and a happy ending of true love.
Scarlet Tower
Hunt during the day, be hunted during the NIGHT! Scarlet Tower is a gothic horror casual game with roguelike and RPG elements, like talent trees, classes, familiars and more!
Never Split the Party
Never Split the Party is an ultra social rogue-like! You're one of four adventurers joining together to explore a procedurally generated dungeon, amass powerful upgrades, and cooperate with your fellow adventures to conquer and crush the evil dungeon champions!
Orake Classic
Orake Classic is an old school, 2D tile-based ORPG featuring a variety of skills, monsters, bosses, quests, and extensive lands to explore.
Realm of the Mad God Exalt
Embark on an exhilarating journey into the pixelated Realm of the Mad God! Join, an action-packed, free-to-play MMO bullet hell game. Discover a world with danger, challenges, and hidden treasures as you battle through waves of enemies. Team up with players and conquer dungeons to become a legend!
Guild Quest
You’ve just bought yourself a new island and it’s time to fill it up with QUESTS! Collect guildians, upgrade their guildhalls, and unleash them onto your own custom quest lines.
Clicker Heroes
Ever wondered what one quadrillion damage per second feels like? Wonder no more! Embark on your quest to attain it today!
Cubic Castles
Your blocks, your castle, your world! Build anything you can dream up and explore with other players! Cubic Castles is a mini-MMO that combines the best of block-building and 3D platform action! Create fantastic parkour challenges, explore worlds made by other players, or even make friend!
Battle Islands
Battle friends over air, land and sea in this epic WW2-themed battle strategy game.
Born Again
Explore an enchanting world with friends or on a solo adventure, as you Hack-n-Slash your way through minions of the Outer Realm in redemption of your dishonorable past!
Outcore: Desktop Adventure
All you wanted was a nice game. But now you find yourself opening Windows apps like Paint & Notepad to solve puzzles, and searching for files on your computers that you didn't put there... Who is she? Why did she appear on your desktop? Let's dive into her memories and find out.
Sniper 3D Assassin: Free to Play
Sniper 3D Assassin® in 7 words: great gameplay, awesome visuals and entertaining missions.
Einar
The player takes on the role of Einar, who is on a quest to kill the inhabitants of a Norse fishing village who are infected by a mysterious material. Use different weapons such as the bow, hammer and axe to clear the village of the monsters.
Realm Grinder
Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!
Midas Gold Plus
Discover Midas Gold Plus, an engaging idle clicker set in a mythical world! Harness King Midas' golden touch, build a legendary city, and unlock powerful champions. Master unique gameplay styles, explore pet battles, and conquer rival cities. Delve into this ancient tycoon adventure today!
Princess Remedy in a World of Hurt
Remedy, a recent graduate from the Saturnian healing school, must descend to Hurtland and use her powers to heal everyone from stray ducks to dark lords, and finally cure the ailing Prince Hingst. It's a short, whimsical adventure with plenty of heart(s).
Insanity Clicker
Been looking for the thrill? Then you've come to the right place! Insanity Clicker is a time-killer game full of horror and fear that will make you tremble in a couple of minutes!
Time Clickers
Time Clickers is what's called an 'incremental game'. There's always a fun upgrade to look forward to, and the numbers keep getting bigger! Hire a team to fight for you, even when you're offline!
Guns and Robots
Guns and Robots is free to play online third person shooter. The game brings robot action with massive customization. Players get cartoony bright 3D graphics in attractive environments and challenge each other in open arenas.
Villagers and Heroes
Enter a magical, 3D fantasy world filled with hundreds of unique locales, immersive lore, and exciting quests -- and it's all free to play. Join thousands of players from around the world, and be part of a one of a kind community.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 16th 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 28,364 peak concurrent players over the last day.
9.7
1,359,264
34,990
28,364
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. While seeing 12,352 players online at once in the last 24 hours, this game is currently ranked #2 among games like FOS based on player count.
7.8
16,530
4,261
12,352
players
3. 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 8,948 players online at once in the last 24 hours, this game is currently ranked #3 among games like FOS based on player count.
9.1
505,358
48,571
8,948
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 125,370 reviews of which 121,796 were positive and 3,574 were negative resulting in an impressive rating of 9.6 out of 10. With 4,714 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like FOS.
9.6
121,796
3,574
4,714
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 11,923 reviews of which 11,428 were positive and 495 were negative resulting in an impressive rating of 9.3 out of 10. With 3,661 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like FOS.
9.3
11,428
495
3,661
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 2,729 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
2,729
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 2,718 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
2,718
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 2,435 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
2,435
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 2,386 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
2,386
players
10. 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. With 2,260 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like FOS.
8.1
418
67
2,260
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 16th 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 21,784 reviews of which 20,930 were positive and 854 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
20,930
854
-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. 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 3,423 reviews of which 2,683 were positive and 740 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 90% discount, this title has earned the #4 position in the best deals for games like FOS.
7.6
2,683
740
-90%
20.60€
2.06€
5. 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 6,433 reviews of which 5,751 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 #5 position in the best deals for games like FOS.
8.7
5,751
682
-89%
10.18€
1.12€
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 16,017 reviews of which 14,459 were positive and 1,558 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
14,459
1,558
-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 9,524 reviews of which 9,038 were positive and 486 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
9,038
486
-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 82% discount, this title has earned the #9 position in the best deals for games like FOS.
8.2
13,241
2,479
-82%
24.50€
4.41€
10. 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 game developed and published by . Released on February 13th 2015 has received 16,017 reviews of which 14,459 were positive and 1,558 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 86% discount, this title has earned the #10 position in the best deals for games like FOS.
8.8
14,459
1,558
-86%
15.50€
2.17€
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 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like FOS.
1. 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. With 12,352 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like FOS.
7.8
16,530
4,261
12,352
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. Thanks to its free to play tag and a daily player base of 8,948, this game has secured the #2 spot in the ranking of free games like FOS.
9.1
505,358
48,571
8,948
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 11,923 reviews of which 11,428 were positive and 495 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 3,661, this game has secured the #3 spot in the ranking of free games like FOS.
9.3
11,428
495
3,661
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 2,729 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
2,729
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 2,718 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
2,718
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 2,435 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
2,435
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 2,386 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
2,386
players
8. 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 2,260 players due to its free access, this strategy game has achieved the #8 position in the best free games like FOS.
8.1
418
67
2,260
players
9. 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 2,095 players due to its free access, this strategy game has achieved the #9 position in the best free games like FOS.
8.8
54,871
6,285
2,095
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. Attracting a solid base of 2,066 players due to its free access, this strategy game has achieved the #10 position in the best free games like FOS.
7.8
94,354
25,411
2,066
players