This game is fantastic and everyone should give it a go.
Here's the bugs I encountered:
1. Because I wanted to find out what would happen if I let myself get caught during the tutorial, the game got stuck on medium difficulty. I could never change it. I only discovered when I had basicly completed the game that it was actually changeable into higher levels like hard and hopeless.
2. In the dream sequence where the girls catch each other doing self-bondage, if I wait until the other girl gets home and finds me, the game gets permanently stuck. All I can do is go to the plant and discover that there is no key there. I've let the game sit. I've walked around every inch and tried to interact. She can't open doors. She doesn't want to risk going down the stairs. If I wait nothing happens either (there isn't any timer either).