There is NOTHING else like this!!! Ive NEVER (since technology started) sat down to "play" a game and honestly felt calmer the more I "played" it. I quote the word play, because its not quite like playing with any other app!!! I LOVE PRUNE!!!! I wish there were more levels. I was bummed when I realized I had completed all levels (which I havent done w/any other app either). I would highly recommend this.
eyeInvent about Prune, v1.0.60