Bomb Jack II is a licensed follow-up developed for 8-bit home computers by the British games publisher Elite Systems in 1986. The game went to number 2 in the UK sales charts, behind Leaderboard. Mighty Bomb Jack was released in 1986. The game was largely identical to the original game in almost all factors, except that the same screen layouts from the first game in the same sequence were now linked in a map-like continuous form by scrolling passages. Mighty Bomb Jack got less favorable reviews than the original game. Bomb Jack Twin was released in 1993 by NMK. In this version, two players could play simultaneously.