Jet Set Willy is a platform game in which the player moves the protagonist, Willy, from room to room in his mansion collecting objects. The room’s exits may be in any direction, and the objects may be collected in any order. Willy is controlled using only left, right and jump. He can climb stairs by walking into them (jumping through them to avoid them) and climb swinging ropes by pushing left or right depending on what direction the rope is swinging in.

Our old friend Dizzy is back with a vengeance — this time he’s going to show evil wizard Zaks exactly what he’s made of (what? Egg white and yolk?). Zaks has cast one of his deadly spells, and it’s Dizzy who has to put things right.

Each of Dizzy’s pals has had a different spell cast over them: Dylan has been tangled up in a bush, Dora turned into a frog, Dozy has been sent to sleep …