Cheat Menu
At the player select screen, enter the following:

Up, Up, Down, Down, Right, Left, Right, Left, B, A

Start at Stage 7-1
Enter the following password:

01804306
0180488D

Start on Stage 2-1
Enter the following password:

01804301
0180488D

Start on Stage 3-1
Enter the following password:

01804302
0180488D

Start on Stage 4-1
Enter the following password:

01804303
0180488D

Start on Stage 5-1
Enter the following password:

01804304
0180488D

Start on Stage 6-1
Enter the following password:

01804305
0180488D

Start with 1 life
Enter the following code: 01803100

Start with 5 lives
Enter the following code: 01803104

Start with 9 credits
Enter the following code: 01803709

Start with 9 lives
Enter the following code: 01803108

Two-Player codes
Player 1 has more lives 0184578C
Player 2 has more lives 0184579C
Player 1 has unlimited lives 01A4902C
Player 2 has unlimited lives 01A4AD2C