Thrive is a free, open-source game about the evolution of life. From the lowly tidepools of your home planet, you will rise to cosmic dominance. At every step, powerful creation tools and deep simulation mechanics will aid your species’ developmen...
It’s also on Steam (Early Access) with Very Positive rating (92 %).
*for $4.99
Developers need to eat and pay rent.
The game is free from the devs themselves