Cheat Codes:
Access the cheat menu on the main screen by scrolling down to the bottom of the list. Then in the following order press and hold L, B, R. Then in the following order release B, R, L and the cheat code menu will appear

259565 - Player 1 does 4x damage

819342 - Player 1 has Infinite Energy

531470 - Player 1 is Invisible

338592 - Player 1 is Invulnerable

927281 - Player 2 does 4x damage
324511 - Player 2 has Infinite Energy

118699 - Player 2 is Invisible

259333 - Player 2 is Invulnerable

500494 - Player 3 does 4x damage
651417 - Player 3 has Infinite Energy

507215 - Player 3 is Invisible

953598 - Player 3 is Invulnerable

988551 - Player 4 deals 4x damage

456719 - Player 4 has Infinite Energy

198690 - Player 4 is Invisible

485542 - Player 4 is Invulnerable

812304 - Buildings indestructible

122574 - Energy does not regenerate

536117 - Health comes back

525955 - All monsters

659996 - All cities