You play Lester, the young physics professor, who suddenly finds himself in a strange alien world after a lightning struck his particle experiment. Now he should fight for his life, first with his bare hands, then with a gun he finds. But what gives him courage is the fact he is not alone. One of the aliens, who together with him escapes from the prison, helps him on his dangerous quest. Friendship can overcome all the obstacles. "Out of This World" is an adventure game, where the adventuring element is concealed behind what looks like a typical platform shooter. The gameplay is based mainly on physical and environmental puzzles. Each enemy requires a different strategy, and often there is only one way to solve the problem. The game is divided into levels, each one of which can be accessed by typing a code you learn after having completed the level. The game features vector graphics and animated cut scenes.