Free to Play Simulation Games on Steam
Check out this fantastic list of free-to-play simulation games you can enjoy on Steam right now, updated on October 31st 2025. Looking for even more free titles? Explore the complete list of the best free to play simulation games.
Lists & Categories
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 game developed and published by . 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 36,930 peak concurrent players over the last day.
6.4
484,469
272,617
36,930
players
2. Revolution Idle
Join an experience where each revolution takes you further into the unknown! Revolution Idle challenges you to multiply your accumulators to reach unimaginable heights. Will you manage to reach infinity? Revolution Idle is a game developed and published by . Released on May 01st 2025 has received 7,180 reviews of which 6,056 were positive and 1,124 were negative resulting in a rating of 8.2 out of 10. While seeing 6,726 players online at once in the last 24 hours, this game is currently ranked #2 among simulation games based on player count.
8.2
6,056
1,124
6,726
players
3. Upload Labs
A sci-fi management game where you build and optimize your computer's system from the ground up. Connect and configure interconnected nodes to efficiently download, process, and upload files. Manage your setup, solve system challenges, and become the ultimate system architect Upload Labs is a game developed and published by . Released on October 03rd 2025 has received 1,896 reviews of which 1,651 were positive and 245 were negative resulting in a rating of 8.3 out of 10. While seeing 4,192 players online at once in the last 24 hours, this game is currently ranked #3 among simulation games based on player count.
8.3
1,651
245
4,192
players
4. 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 game developed and published by . 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 4,071 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played simulation games.
9.3
63,994
3,441
4,071
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 game developed and published by . Released on July 27th 2023 has received 3,453 reviews of which 3,202 were positive and 251 were negative resulting in a rating of 8.9 out of 10. With 3,570 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played simulation games.
8.9
3,202
251
3,570
players
6. 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 game developed and published by . 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 2,421 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played simulation games.
8.8
21,284
2,406
2,421
players
7. Aimlabs
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 game developed and published by . 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 2,412 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played simulation games.
9.3
79,517
4,815
2,412
players
8. 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 game developed and published by . 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 2,054 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played simulation games.
8.6
57,004
8,695
2,054
players
9. Farmer Against Potatoes Idle
Pick up your sword and fight off waves of Potatoes by upgrading your stats constantly, use Equipment, choose between different Classes, put your many Talents to good use, and so much more designed to keep you entertained for a long time. Farmer Against Potatoes Idle is a game developed and published by . Released on September 05th 2024 has received 7,520 reviews of which 7,156 were positive and 364 were negative resulting in an impressive rating of 9.2 out of 10. With 1,430 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played simulation games.
9.2
7,156
364
1,430
players
10. Idling to Rule the Gods
Idling to Rule the Gods is a free to play Idle-Game with a lot of content and some Minigames. Depending on your play-style, you can play it fast or slow. Either way it can be fun for hundreds of hours! Idling to Rule the Gods is a game developed and published by . Released on May 27th 2016 has received 1,916 reviews of which 1,638 were positive and 278 were negative resulting in a rating of 8.2 out of 10. With 1,257 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played simulation games.
8.2
1,638
278
1,257
players
More Simulation & Related Games
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