The Cheat Sheets are to help smooth game play by allowing everyone access to the basic rules of the game.
Unlike many other role playing games, Heroes Unlimited focuses less on static rules and more on actual role playing – i.e. having fun. Rolling dice is, of course, very important and the way many conflicts are resolved. But quick-thinking, creative ideas, and guts will get you farther than just rolling dice.
That being said, you will need a D20 (20-sided die) for combat, 2D10 (two 10-sided dice) for skills, and any other dice will be provided as the circumstances arise.