Psyworld is a single person, 3D, keyboard controlled, puzzle/shooter game.
The game consists of a five worlds ranging in difficulty from easy to very hard, containing fifty levels in total. The player controls Psyian from Psyworld and must navigate each level collecting all the cash and killing all the baddies within time limit. By default the player has four lives but a configuration screen allows this to be changed plus there are optional bonus lives. The game also has optional cheat modes