This game was made in 48 hours using Unity as part of the Ludumdare gamejam. The only interesting bit of code is what generates the rocks. They are a line-renderer object that are being made semi random by drawing a circle and shuffling the order of drawpoints a bit:
A calm and relaxing game all about becoming zen. You control the root of a tree as it is growing on it’s journey ever downwards. This is best enjoyed on your phone since you can move the root by rotating the phone.