Psi-Ops: The Mindgate Conspiracy cheats and cheat codes for Playstation 2

Cheat mode:
To enter the following cheat codes, highlight the "Extra Content" option and
press R1. When the keypad screen appears, enter any of the codes bellow.
After, go to the "Extra Content" menu and select the "Mission Select" option
and start the game.

Cheats:
Type 537893: All psi powers
Type 548975: Take Less damage
Type 978945: Unlimited ammo
Type 987978: No head
Type 456456: Use less PSI power

Skins:
Type 135454: Bikini Pyro
Type 135488: Sara
Type 136876: Tonya
Type 196001: Training Barret 1
Type 196002: Training Barret 2
Type 196003: Training Barret 3
Type 196004: Training Barret 4
Type 196005: Training Barret 5
Type 196006: Training Barret 6
Type 231324: Wei Lu
Type 231644: Fetish Pyro
Type 321646: MP1
Type 364654: Dockworker
Type 365498: UN Soldier
Type 431644: Clown General
Type 454566: Burnt Soldier
Type 456498: Stealth Nick
Type 459797: General
Type 468799: Psi Sara
Type 468987: Jov
Type 484646: Urban Nick
Type 489788: Marlena Pyro
Type 497878: Barrett
Type 546546: Scorpion
Type 564689: Training Nick
Type 654654: Tranquility Wei Lu
Type 654659: MP3
Type 65496873: Saranae
Type 678999: Suicide Sara
Type 698798: Jack
Type 698799: MP2
Type 975466: Wasteland Nick
Type 978789: Dragon Wei Lu
Type 978798: Komiko
Type 998789: Labcoat

Playing Modes:
Type 05051979: Arcade mode
Type 07041979: Co-op mode
Type 465486: Dark mode
Type 7734206: Survival mode

Extra missions:
Type 020615: Up And Over
Type 05120926: Pitfall
Type 090702: TK Alley
Type 154684: Gear Gauntlet
Type 154897: Bottomless Pit
Type 196006: Barret Training
Type 428584: Tip The Buddha
Type 456878: Gnomotron
Type 565485: Psi Pool
Type 568789: Bouncy Bouncy
Type 659785: Aura Pool
Type 76635766: Panic Room
Type 9442662: Gasoline
Type 945678: Stop Lights

Mind Control Suicide:
Click L3 + R3 while controlling someone else's mind.

More Psi energy:
Sneak to close enough to guards and use the Mind Drain power.

Get all Powers:
Finish the game

Unlock Extra Missions:
Find gnomes throughout the game in order to unlock extra missions.
Aura Pool: Gnome in level 8
Bottomless Pit: Gnome in level 4
Bouncy Bouncy: Gnome in level 2
Floor of Death: Gnome in level 4
Gasoline: Gnome in level 6
GearShift: Gnome in level 3
Gnomotron, Unlock all extra missions: find all Gnomes
Panic Room: Gnome in level 3
Psi Pool: Gnome in level 6
Stop Lights: Gnome in level 7
Survival Mode: Gnome in level 3
Tip The Idol: Gnome in level 1
TK Alley: Gnome in level 2
Up And Over: Gnome in level 4

Unlock skins:
Complete the following tasks:
Wei Lu: Finish the game on the normal mode
Wasteland Nick: Finish the game on the hard mode
Urban Nick: Finish the game on the normal mode
UN Soldier: Finish the game on the easy mode
Training Nick: Finish the game on the easy mode
Tonya: Finish the game on the hard mode
Suicide Sara: Finish the game on the hard mode
Stealth Nick: Finish the game on the elite mode
Sara: Finish the game on the normal mode
Psi Sara: Finish the game on the hard mode
MP3: Finish the game on the hard mode
MP2: Finish the game on the normal mode
MP1: Finish the game on the easy mode
Marlena Pyro: Finish the game on the elite mode
Labcoat: Finish the game on the easy mode
Komiko: Finish the game on the normal mode
Jov: Finish the game on the elite mode
Jack: Finish the game on the elite mode
General: Finish the game on the elite mode
Dragon Wei Lu: Finish the game on the hard mode
Dockworker: Finish the game on the easy mode
Clown General: Find all 6 orbs in the General Boss battle
Burnt Soldier: Finish the game on the normal mode
Bikini Pyro: Finish the game on the elite mode
Barrett: Finish the game on the elite mode