Infra Arcana

Traditional roguelike with lovecraftian horror inspiration. It's hella hard but also weirdly relaxing after a few tries, plus the ambiance is exquisite.

Mindustry

not a poor man's factorio

Is really fun, has two main game modes: Erekir (Classic, high skill ceiling, less hand holdy) and serpulo (More polished, Easier and more straightforward)

0a.d

Age of empires, I loved AoE2 and this game scratches that itch too.