I can recommend colobot if you like to automate things with code.
Free and Open Source Software
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
- Asuna
- Lord of the Test
- 0 A.D.
- Xbill
- SuperTuxKart
- Sonic Robo Blast
- The various Doom mods
- Konquest
- SuperTux
- Endless Sky
Another shout-out for Sonic Robo Blast! I absolutely love that game.
Crack Attack! is a loving parody of addictive tetrislike games that is also an extremely addictive tetrislike game.
Definitely Neverball. My kids and I spent so many hours in it.
OpenTTD is good, so is TuxKart, but both have better closed-source alternatives. I don't think Neverball does.
I really like MineClone2 (a Minetest game).
Lix – https://www.lixgame.com/
FOSS Lemmings, with many great features (like multiplayer) and active development.
Big fan of Quaver, its a community-driven, and open-source competitive rhythm game.