Race through 144 levels of the Underworld and rid it of marauding pests along the way. Knock them out by bonking them from below, then kick them away fast. There are 2 Troll brothers, Grag and Thog. Play alone as Grag, or have a partner join the game as Thog and work together to save Trollsville. But there is help for Grag and Thog - cases of TNT, enhancing jewels and Trollsvile's wisest elder, Huntho.
Preferences includes settings for an easy, medium or hard game - the default setting is medium.
Starting with the easy setting and running a demo help those of us who are arcade game-challenged get started. The Player's Guide also includes all of the cheats and secrets of the Bonkheads. Be warned - this game is addictive.