Cheats
Pause the game and do these commands:

Full Guns and Ammo	X, Triangle, L1, Up, Down, R2, Left, Left
Full Map	Triangle, Triangle, L2, R2, L2, R2, R1, Square
God Mode	Down, L2, Square, R1, Right, L1, Left, Circle
Level Warp	Right, Left, R2, R1, Triangle, L1, Circle, X
Map with Objects	Triangle, Triangle, L2, R2, L2, R2, R1, Circle
X-Ray Goggles	L1, R2, L2, R1, Right, Triangle, X, Right

Level Passwords
Enter the following codes at the Password screen:

Level 02	CR!3WDD3DB
Level 03	3JJCMK8W64
Level 04	03LTJ0Y!02
Level 05	H33!1HFTHK
Level 06	04MSKZX9Z1
Level 07	YTTLCXXLXV
Level 08	09SMBY04YW
Level 09	7KKBLD7V53
Level 10	FM4217GSGJ
Level 11	H!!3WDGLDB
Level 13	WTXQ9C3W12
Level 14	RBR4G!LDLN
Level 15	WTXQ9C3W11
Level 16	548C7DFWYX
Level 17	JOC89DZPQS
Level 18	JGB9CT0NRT
Level 19	9QLTKR0!02
Level 20	78M63QX921
Level 21	S!61FHVQJG
Level 22	33QHFTT6WY
Level 23	VBGQPJ!Y46
Level 24	ZYKTLW7V53
Level 25	0DJSM4HW64
Level 26	LS5YPTCRKH
Level 27	ZDJSMVRW64
Level 28	1YKTX4QV53
Level 29	XKF6R8LZ97
Level 30	DJX07Q4HTR
Level 31	C0W1!QNJQS
Level 32	VM!3V1D3DB
Level 33	W394W2DMFC
Level 34	ZQ58ZKJRKH
Level 35	Z758ZKJ8KH
Level 36	5C2V3DQBNL
Level 37	NCKBLX7V53
Level 38	1Q580FCRKH
Level 39	HTMSKZZ9Z1
Level 40	WS58ZKCRKH
Level 41	CSNRG2W820
Level 42 - The Factory	WT670JbQGJ
Level 43 - The Inmost Dens	DQLTJ1Y!02
Level 44 - The Suburbs	2N94VFFMFC
Level 45 - Tenements	CQLTJOY!02
Level 46 - The Courtyard	WR492GDSGJ
Level 47 - The Citadel	PFFGXH3777
Level 48 - Nirvana	JWCJV2X479
Level 49 - The Catacombs	CJJTM35964
Level 50 - Barrels of Fun	M!T174XZXV
Level 51 - Bloodfalls	5770MX2CDF
Level 52 - The Abondoned Mines	YJLW3PPCPM
Level 53 - Monster Condo	DKKBLM58J3
Level 54 - Redemption Denied	7L3!266DJK
Level 55 - Fortress of Mystery	4680Q7B5BD
Level 56 - The Military Base	T3QP7W26WY
Level 57 - The Marshes	RNSM5YYMYW
Level 58 - The Mansion	HWKB!57V53
Level 59 - Club Doom	644YL1Q9GJ