Cauldron is a two-dimensional (2D) shoot 'em up/platformer computer game developed and published by British developer Palace Software (Palace). The game was released in 1985 for the ZX Spectrum, Commodore 64 and Amstrad CPC home computers. Players control a witch, who aims to become the "Witch Queen" by defeating an enemy called the "Pumpking".Designed by Steve Brown and Richard Leinfellner, Cauldron originated as a licensed video game of the horror film Halloween.