Expose All Ladders – Computer Entertainer
Commando can be a tough game. Luckily there are ways to make it a bit easier! You can expose all of the secret ladders in the game by inputting the following code while on the game’s title screen and using Controller #2.
Press Left, Left, Left, B, B, A, A, A, A and then on Controller #1 press Start. All of the hidden ladders will be revealed, allowing you to gather extra weapons and bonus points easily.