Map all lines:
Pause the game and press B(2), C, Left, B(2), C, Right. All walls and boundaries will appear on the map for the current stage.

Map all items:
Pause the game and press B(2), C, Right, B(2), C, Left. All objects including enemies, items, weapons, and secret switches will appear on the map as blue triangles.

Invincibility:
Pause the game and press Down, Y, X, R, Right, L, Left, B.

Weapons, ammunition, armor, and keys:
Pause the game and press B, Y, X, L, R, C, X, Z. All weapons, ammunition for them, 200% armor and keys for current level will be available.

Level select:
Pause the game and press Right, Left, Z, R, Z, L, Z, C. Press Left and Right to select a level, and confirm your entry with B, C, or X.

All-Baron enemies:
Pause the game and press Up, Down, Left, Right, X, Z, Y, A, C, B.

Bonus levels:
The following levels are not accessible through the "Level select" code. Game play will begin with 100% health, 0% armor, and the pistol with 50 rounds of ammunition.

Level	Name	I Am A Wimp	Not Too Rough	Hurt Me Plenty	Ultra Violence
55	Fortress Of Mystery	V6PMPPMPPP	Z6TRTTRTTT	36FCFFCFFF	76KHKKHKKK
56	The Military Base	B779779777	G735335333	L7Z1ZZ1ZZZ	Q7VXVVXVVV
57	The Marshes	V7QSQQSQQQ	Z7LNLLNLLL	37GJGGJGGG	77BDBBDBBB
58	The Mansion	B88!88!888	G846446444	L802002000	Q8WYWWYWWW
59	Club Doom	V8RTRRTRRR	Z8MPMMPMMM	38HKHHKHHH	78CFCCFCCC

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