Gate of Thunder Game System: PC Engine Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   Gate of Thunder =============== -Stage Select : ATS press I, II, II, I, Select, I, II, I, II, Select, Select, Run - you'll now have "STAGE" in your configuration menu. -Bomberman : To access Bomberman on the 3-in-1 disc, go to the menu and enter Up, Right, Down, Left, II - you'll hear a chime and then (in a moment) you'll be at the Bomberman title screen.