1943: The Battle of Midway Game System: PC Engine Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   1943 Kai - The Battle Of Midway =============================== -9 Credits : Go to the Sound Test (Option) screen and test the music in : this order: 0, 3, 3, 8, 3, 9, 0, 0, 8, 0 -Arcade Mode: Go to the Sound Test (Option) screen and test the music in : this order: 7, 7, 7, 7, 9, 3, 10 -2nd Half : Go to the Sound Test (Option) screen and test the music in : this order: 1, 6, 0, 10, 5, 2, 10, 3, 8 (this will start : you after the power up with heavy artilary and speed). -H.P. Max : Go to the Sound Test (Option) screen and test the music in : this order 3, 7, 3, 5, 1, 8, 2, 1, 9, 8, 4 -Unlimited : Go to the Sound Test (Option) screen and test the music in Credits : this order: 3, 4, 3, 8, 0, 1, 4, 1, 14, 14 -Fast Mode : Go to the Sound Test (Option) screen and test the music in : this order: 7, 5, 8, 4, 1, 10, 5, 1, 10, 5, 1, 8 -Slow Mode : Go to the Sound Test (Option) screen and test the music in : this order: 0, 0, 0, 0, 0 -Unlimited : Pause the game and press I, II, Left, I, II, Up, I, Down, Bombs : I, II, Select, Up, Down -Unlimited : Pause The game and press II, Left, II, Up, I, Right. I Weapon :