Games like 20 Days

Games like 20 Days include Cosmoteer: Starship Architect & Commander, FTL: Faster Than Light, The Fermi Paradox, Iron Marines, and Stellaris. We matched them by the tags players give 20 Days on Steam (Strategy, Space Sim, Incremental, 2D, and Cartoony): closest matches first, and among equally close ones the better-known games.