MOUNTAIN is a mountain simulator.
Seems pretty self-explanatory if I do say so myself. And it’s $1, so you should probably just go get it: http://mountain-game.com/
Features:
- no controls
- automatic save
- audio on/off switch
- time moves forward
- things grow and things die
- nature expresses itself
- ~ 50 hours of gameplay
- once generated, you cannot be regenerated