If you’re looking for for the light puzzles. If you want a list of similar DRM-free titles to explore.
Complete functionality without an internet connection. The Impact
When you download a DRM-free game, you aren't just buying a license to play; you are acquiring the actual data. If the developer goes out of business or the storefront closes, the game remains yours. This makes it a favorite for:
Ensuring the game is playable 20 years from now.
No background processes monitoring your hardware.