Begin running from one end of the block to the other. Press [Space] at the end to do a running jump. It is possible for Harold to jump about five floors in a single jump. Note: This requires practice. Also, set the "Rejump" option to "Yes" and the "Ice Candy" option to "No".
Move faster
Press [Tab] while running.
Move slower
Press [F1] while running.
Easy floors
Create a copy of the game file "tower.cfg" into the game folder and rename the file to "debug.me:. Press [Up] during game play and you will go up.