Crab God has a 30% discount for the Autumn sales, and you can also purchase the Supporter pack with a 10% discount. The sale is ending on November 30th.
https://store.steampowered.com/app/2289390/Crab_God/
Guide your Crabling colony through wild ocean depths, and defend the egg of the next Crab God.Restore and protect diverse coral reefs, making a difference in the real world as you progress in-game. Make waves, praise the claw!
https://www.youtube.com/watch?v=apuqVdMiZ9U