GEDE01
Eternal Darkness - Sanity's Requiem (USA)

Press Z + A To Turn Infinite Health On [Codejunkies]
40000000 00000000
04201DAC 60000000
04201DB0 60000000

Press Z + B To Turn Infinite Health Off [Codejunkies]
40000000 00000000
04201DAC 4800004D
04201DB0 38000001

Press Z + X To Freeze Sanity Level [Codejunkies]
40000000 00000000
04038B28 60000000
04038BE0 60000000

Press Z + Y To Turn Sanity Back On [Codejunkies]
40000000 00000000
04038B28 B38300E6
04038BE0 B38300E2

Freeze Magic Levels [Codejunkies]
04038BF4 60000000

Never Lose Sanity [Generallee02]
04038B28 60000000
04038BE0 60000000

One Hit Kills [donny2112]
040384D0 60000000

Infinite Ammo/Running [donny2112]
041579BC 60000000

Flip Torso On/Off (Z+X/Y) [donny2112]
205B40F0 00000410
040383BC 60000000
205B40F0 00000810
040383BC B01E0000

Freaky Giant On/Off (L+D-Pad Up/Down) [donny2112]
285B40F2 00000048
0464C3F4 3F8CCCCD
285B40F2 00000044
0464C3F4 3F800000

Run Fast On/Off (L+D-Pad Left/Right) [donny2112]
285B40F2 00000041
0464E504 40000000
285B40F2 00000042
0464E504 3F800000

Zoom 2X/4X/1X (R+D-Pad Up/Left/Down) [donny2112]
285B40F2 00000028
04651610 40000000
285B40F2 00000021
04651610 40800000
285B40F2 00000024
04651610 3F800000

Unlock All Extras [donny2112]
04301CE0 0E000000
04301CE4 3FFF3FFF

Extra "Jump to Game" Levels (Press L) [donny2112]
40000000 00000000
2830243B 0000000C
0030243B 00000000

Have All Runes & Circles of Power Unlocked For All Characters [goemon_guy]
04331748 3FFF3FFF
0433174C 00070000

All Spells Unlocked And Maxed Out [goemon_guy]
40000000 00000000