Check out this fantastic list of free-to-play simulation games you can enjoy on Steam right now, updated on May 23rd 2026. Looking for even more free titles? Explore the complete list of the best free to play simulation games on Steam.
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1. War Thunder
War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea. War Thunder is a simulation, vehicular combat and combat game. Released on August 15th 2013 has received 757,086 reviews of which 484,469 were positive and 272,617 were negative resulting in a rating of 6.4 out of 10. The game has hit the top spot as the #1 most played simulation game, thanks to its 36,429 peak concurrent players over the last day.
6.4
484,469
272,617
36,429
players
2. The Sims™ 4
Play with life and discover the possibilities. Unleash your imagination and create a world of Sims that’s wholly unique. Explore and customize every detail from Sims to homes–and much more. The Sims™ 4 is a life sim, character customization and building game. Released on June 18th 2020 has received 170,727 reviews of which 149,064 were positive and 21,663 were negative resulting in a rating of 8.6 out of 10. While seeing 23,524 players online at once in the last 24 hours, this game is currently ranked #2 among simulation games based on player count.
8.6
149,064
21,663
23,524
players
3. Car Mechanic Simulator 2018
Build and expand your repair service empire in this incredibly detailed and highly realistic simulation game, where attention to car detail is astonishing. Find classic, unique cars in the new Barn Find module and Junkyard module. You can even add your self-made car in the Car Editor. Car Mechanic Simulator 2018 is a simulation, automobile sim and driving game. Released on July 28th 2017 has received 51,521 reviews of which 47,065 were positive and 4,456 were negative resulting in a rating of 9.0 out of 10. While seeing 9,902 players online at once in the last 24 hours, this game is currently ranked #3 among simulation games based on player count.
9.0
47,065
4,456
9,902
players
4. Revolution Idle
Revolution Idle is a free idle incremental game with offline progress, prestige layers, and endless automation. Start simple, reach infinity and go further. Revolution Idle is a idler, casual and simulation game. Released on May 01st 2025 has received 11,044 reviews of which 9,569 were positive and 1,475 were negative resulting in a rating of 8.4 out of 10. With 6,856 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played simulation games.
8.4
9,569
1,475
6,856
players
5. Unnamed Space Idle
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power. Unnamed Space Idle is a idler, casual and simulation game. Released on July 27th 2023 has received 4,121 reviews of which 3,825 were positive and 296 were negative resulting in a rating of 8.9 out of 10. With 4,533 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played simulation games.
8.9
3,825
296
4,533
players
6. Supermarket Together
The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action! Supermarket Together is a simulation, online co-op and multiplayer game. Released on August 09th 2024 has received 67,435 reviews of which 63,994 were positive and 3,441 were negative resulting in an impressive rating of 9.3 out of 10. With 4,515 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played simulation games.
9.3
63,994
3,441
4,515
players
7. Cell to Singularity - Evolution Never Ends
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap. Cell to Singularity - Evolution Never Ends is a clicker, simulation and science game. Released on November 03rd 2021 has received 23,690 reviews of which 21,284 were positive and 2,406 were negative resulting in a rating of 8.8 out of 10. With 4,438 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played simulation games.
8.8
21,284
2,406
4,438
players
8. Aimlabs
Aimlabs is the aim trainer of choice for over 45 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 fps, shooter and simulation game. 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 2,895 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played simulation games.
9.3
79,517
4,815
2,895
players
9. Fishing Planet
Fishing Planet® is a free-to-play and highly realistic first-person online multiplayer fishing simulator. Developed by avid fishing enthusiasts to bring you the full thrill of actual angling on your PC. Fishing Planet is a fishing, multiplayer and simulation game. Released on August 28th 2017 has received 65,699 reviews of which 57,004 were positive and 8,695 were negative resulting in a rating of 8.6 out of 10. With 2,882 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played simulation games.
8.6
57,004
8,695
2,882
players
10. VPet-Simulator
Feeling like the computer desktop is too dull? Need something cute to heal oneself? Come and try this new completely free and open source V-Pet simulator. A cute and adorable pet that supports various feeding interactions to accompany you in game learning is definitely your best choice! VPet-Simulator is a cute, anime and casual game. Released on August 13th 2023 has received 50,886 reviews of which 50,023 were positive and 863 were negative resulting in an impressive rating of 9.7 out of 10. With 2,434 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played simulation games.
9.7
50,023
863
2,434
players
More Simulation & Related Games
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