Citadel 2 is a computer game written by Symo for the BBC Micro by Superior Software. The sequel to Citadel, it is a platform game with puzzle solving elements. Like the original, the game's plot involves finding five gems hidden in various locations in a large fort, together with areas outside it (including mines, three trees, a lodge and a floating sky castle) and destroying them in a teleporter hidden at the bottom of a well.