Free to Play Colony Sim Games on Steam
Check out this fantastic list of free-to-play colony sim 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 colony sim games.
Lists & Categories
1. My Singing Monsters
Dive into the Musical World of My Singing Monsters! Breed them, feed them, listen to them sing! Breed & collect a menagerie of Monsters, each a living instrument! Build your paradise across 35+ Islands, customize your world, and enjoy endless music! There's never a dull moment in the Monster World! My Singing Monsters is a game developed and published by . Released on March 24th 2021 has received 41,701 reviews of which 39,143 were positive and 2,558 were negative resulting in an impressive rating of 9.2 out of 10. The game has hit the top spot as the #1 most played colony sim game, thanks to its 907 peak concurrent players over the last day.
9.2
39,143
2,558
907
players
2. Terraformers: First Steps on Mars
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet. Terraformers: First Steps on Mars is a game developed and published by . Released on October 23rd 2021 has received 688 reviews of which 612 were positive and 76 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #2 spot among the most played colony sim games.
8.4
612
76
3
players
3. Don't get lost
A procedurally-generated, open-world, first-person colony sim. Build colonies in an infinite world, alone or with friends via Steam or self-hosted multiplayer. Don't get lost is a game developed and published by . Released on February 01st 2023 has received 470 reviews of which 375 were positive and 95 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #3 spot among the most played colony sim games.
7.5
375
95
4. Colony Simulator
Can your Colony survive 10 days or more in the desert? Find food, build your colony, recruit new workers, feed your population, craft tools and equipment, cook food and research technologies! Colony Simulator is a game developed and published by . Released on February 08th 2022 has received 424 reviews of which 282 were positive and 142 were negative resulting in a rating of 6.4 out of 10. The game currently holds the #4 spot among the most played colony sim games.
6.4
282
142
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