Some games are hard, and some games are impossible. Games like I Wanna Be The Guy. Tower of Heaven is a wonderful addition to this catalog of absolutely impossible, mind-destroying games, and it certainly doesn't suffer for it. In fact, you can speedrun the game in less than three minutes, if you are particularly good! Just don't expect to get anywhere close to that time on your first try.

Tower of Heaven is completely peaceful in that there is no fighting of any kind. Just zen-like paltforming. However, it is incredibly hard and you will most certainly die a lot from a lot of seemingly unfair things. Keep faith, though, as the game is definitely finishable and quite excellent all the way through. There are minor issues with memory leaks and improper graphics rendering, so it would be wise to read the information in this forum thread.