https://woodsmoke.itch.io/waterfall-mountain

Mesmerizing water drops relax your soul before you crash some rocks and boulders into the water to hinder it's flow.

 The sun turns water to vapor. The vapor rises and forms clouds. The clouds carry water to the mountain, where it flows down, and the cycle begins anew. Setting the sun low reduces the evaporation rate.

I used the GM1s physics engine for the first time here and I'm quite happy with the results. Waterfall Mountain was my first game jam game. (Simulation Jam hosted by Unique Games)