Instead of just having Headhunter I II and III, you could just replace the Headhunter I once you finish it and there's Headhunter II in it's place. Please vote up so the developer can see!
It needs achievements in-game. Like, get your first hat. (Soon to come :) Jump for the first time, jump 100 times. Get past a certain amount of people. Please vote up so the creator can see!
Here's a bug: If you land in the ocean and have to do the combo to destroy the monster and you get Superman you fly and when you land (anywhere) you still die. Please rate up so the developer can know!