Jet Set Willy is a flip-screen platform game in which the player moves the protagonist, Willy, from room to room in his mansion collecting objects. Unlike the screen-by-screen style of its prequel, the player can explore the mansion at will.

- Platform: Acorn Electron, Amstrad CPC, Atari 8-bit, BBC Microcomputer System, Commodore 16, Commodore C64/128, Commodore Plus/4, Dragon 32/64, MSX, Tatung Einstein, ZX Spectrum