Worlds of Billy is an action game with puzzle elements released in 2002 by Global Star Software. In the game, players assume the role of the eponymous teenager Billy. The action of the game takes place in a fantasy world - invented by a boy. Worlds of Billy 2 is heavily inspired by Lode Runner. The main task is to eliminate all creatures encountered during the journey. To do this, Billy has to dig holes, wait for enemies, and when the creature falls into the hole, Billy can bury it. When Billy defeats all the enemies, he can go to the teleporter. The young hero cannot jump, only climb the ladder.