Cheat Mode
To make high scores the only thing you have to do is make running jumps. Start running from one end of the block to the other and at the end press space bar. This would make Harold jump about 5 floor in a single jump. This requires lot of practice. The other thing that would help you is, make the 'rejump' option to YES & the 'ice candy' option to NO. If you want any further help for game or related sites you may.