The following are known CWCheat Codes for Obscure: The Aftermath on Sony Playstation Portable (PSP).

_S ULUS-10484
_G Obscure: The Aftermath [US]
_C0 Easy Lockpick
_L 0x200B825C 0x0A200805
_L 0x20002014 0x3C04BD18
_L 0x20002018 0x3484E800
_L 0x2000201C 0xAEA40190
_L 0x20002020 0x3C04437A
_L 0x20002024 0xAEA40180
_L 0x20002028 0x0A22E099
_C0 FLASH STRAFE
_L 0x10170D9C 0x4180
_C0 INF Ammo
_L 0x608E5F68 0x42C80000
_L 0x00020001 0x00000154
_L 0x608E6188 0x42C80000
_L 0x00020001 0x00000154
_L 0x608E6298 0x42C80000
_L 0x00020001 0x00000154
_L 0x608E63A8 0x42C80000
_L 0x00020001 0x00000154
_C0 INF BAT'S
_L 0x008EDA20 0x42454154
_L 0x008EDA24 0x01
_C0 INF BATTERY POWER
_L 0x2172A0D4 0x43610000
_C0 INF CHAINSAW'S
_L 0x008ED660 0x4354157
_L 0x008ED664 0x01
_C0 INF CROSSBOW'S
_L 0x008ED020 0x43424F57
_L 0x008ED024 0x01
_C0 INF DYNAMITE'S
_L 0x008ECB20 0x44594E41
_L 0x008ECB24 0x01
_C0 INF EXPLOSIVE'S
_L 0x608E6078 0x63
_L 0x00000001 0x000000E8
_C0 INF FLARE GUN'S
_L 0x008ED3E0 0x464C4755
_L 0x008ED3E4 0x01
_C0 INF FLASHBALL'S
_L 0x008ED2A0 0x464C4241
_L 0x008ED2A4 0x01
_C0 INF FLASHBANG'S
_L 0x008EC9E0 0x464C4247
_L 0x008EC9E4 0x01
_C0 INF GOLF CLUB'S
_L 0x008EDB60 0x434C5542
_L 0x008EDB64 0x01
_C0 INF GUN'S
_L 0x008ED520 0x47554E00
_L 0x008ED524 0x01
_C0 INF Health
_L 0x608E6844 0x42C80000
_L 0x00020001 0x00000390
_L 0x608E6994 0x42C80000
_L 0x00020001 0x00000390
_C0 INF HOCKEY STICK'S
_L 0x008ED7A0 0x43524F53
_L 0x008ED7A4 0x01
_C0 INF MINI SMG'S
_L 0x008ECDA0 0x555A4900
_L 0x008ECDA4 0x01
_C0 INF SHOTGUN'S
_L 0x008ECEE0 0x53484F54
_L 0x008ECEE4 0x01
_C0 INF SPIKED CLUB'S
_L 0x008ED8E0 0x55424554
_L 0x008ED8E4 0x01
_C0 INF STUN GUN'S
_L 0x008ED160 0x54415345
_L 0x008ED164 0x01
_C0 INF UBER FLASHLIGHT'S
_L 0x008ECC60 0x5542464C
_L 0x008ECC64 0x01
_C0 Inf. Energy Drink
_L 0x11729460 0x000003E7
_C0 Inf. First aid Kits
_L 0x11729500 0x000003E7
_C0 Inf. Flare Gun Ammo 
_L 0x11729860 0x000003E7
_C0 Inf. FlashBall Ammo
_L 0x11729780 0x000003E7
_C0 Inf. Gun Ammo
_L 0x117294E0 0x000003E7
_C0 Inf. Improved Serum
_L 0x11729460 0x000003E7
_C0 Inf. Serum
_L 0x017295E0 0x000000FF
_C0 Inf. ShotGun Ammo
_L 0x11729700 0x000003E7
_C0 Inf. Small Keys
_L 0x017294A0 0x000000FF
_C0 Infinite Item Usage
_L 0x200133AC 0x00000000
_C0 Max Items On Get
_L 0x20013740 0x240403E7
_C0 Rapid Fire
_L 0x608E5F68 0x00
_L 0x00020001 0x00000144
_L 0x608E6188 0x00
_L 0x00020001 0x00000144
_L 0x608E6298 0x00
_L 0x00020001 0x00000144
_L 0x608E63A8 0x00
_L 0x00020001 0x00000144