This page contains Cheats for Operation C organized by sections for GameBoy. Operation C is a Action Shooter Scrolling game, made by Konami and published by Ultra. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
On the Title screen, press Up four times, Down four times, Left four times, Right four times, A, B and Start to begin with 10 lives....From: kj360
On the Title screen, after it stops "waving," press Up, Up, Down, Down, Left, Right, Left, Right, B, A, B, A and Start. S...From: squibby
On the Title screen, after it stops "waving," press Up, Down, Left, Right and Start. "Sound Test" should appear on the screen. Change the selection by pressing A and cancel by pressing B....From: Cube
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