B.C. Kid, also known as Bonk's Adventure and Kyukyoku!! PC Genjin, is a platform game developed by Red Company and published by Hudson Soft. The original arcade version was released in 1989.  Gameplay revolves around Bonk, a caveman, who must rescue his girlfriend from the clutches of King Drool.  The game is known for its quirky humor, challenging platforming, and unique power-ups.  It's a classic example of the side-scrolling platformer genre popular at the time, showing early mastery of animation, and level design.

B.C. Kid / Bonk's Adventure / Kyukyoku!! PC Genjin

B-Wings (Alt Ver.?)