It's behind a boulder just before you enter the alien gateway (long green & black catwalk before the elevator to the final battle).
Bottomless Pit: First gnome in level 4
After destroying the four "chompers" in the room with the dock worker cutscene, the gnome is inside a secret passage connecting the pair on the right.
Bouncy, Bouncy: Second gnome in Level 2
It's in a niche between the two static filled jumbotrons at the very end of the level. Walk up the broken floor that forms a slant and TK the gnome.
Floor of Death: First gnome in level 5
Destroy a vent at the marble atrium in the hall leading to the illusion chamber control room. Enter the shaft and turn right twice to find the gnome.
Gasoline: First gnome in level 6
After the fusion reactor is deactivated, walk through the door and climb down the ladder to find the gnome in the pool.
Gearshift: First gnome in Level 3
It's on the roof of the shipyard entrance near the guard post where you obtain MC. Stack up boxes to reach the rooftop, turn around, and TK the gnome.
Gnomotron
Collect all thirteen main mission gnomes (and save your game each time).
Panic Room: Second gnome in Level 3
Inside the shipyard there's a hidden area enclosed by the large shipping crates. Face the office, it's to the left of guard tower with the crane lift.
Psi Pool: Second gnome in level 6
Destroy the triple turrets to the right of the entrance to Marlena's chamber. The gnome is in the back left corner of the adjacent computer room.
Stoplights: The gnome in level 7
Kill the snipers at the spawn then make a staircase of boxes. The gnome is on the facade's third story left (search with the sniper scope then TK it).
Survival: Second gnome in level 5
Start walking forward when the graveyard battle begins. You'll see the gnome behind a tree in the far corner (near a medical kit).
Tip the Idol: The gnome in Level 1
Hop over the fence in the hallway just before the turret/elevator and TK the gnome to you (it can be seen through a floor vent).
TK Alley: First gnome in Level 2
TK surf into the second story of the cryo lab once the countdown begins. The gnome is behind the wall where Leonov stood.
Up & Over: Second gnome in level 4
In the conveyor belt room, there is a pair of ladders in the far right corner. Hop off the conveyor belt to scale the fence. The ladder leads to it.
Misc. Unlockables
Description
Effect
Barrett:
Finish the game on elite
Burnt Soldier:
Finish the game on normal
Dockworker:
Finish the game on easy
Dragon Wei Lu:
Finish the game on hard
General (clown):
Collect all six orbs in the General Boss Battle
General:
Finish the game on elite
Jov:
Finish the game on elite
Komiko:
Finish the game on normal
Labcoat:
Finish the game on easy
Marlena "Pyro" (leather):
Finish the game on elite
Marlena "Pyro":
Finish the game on elite
MP1:
Finish the game on easy
MP2:
Finish the game on normal
MP3:
Finish the game on hard
Sara (psi):
Finish the game on hard
Sara (suicide):
Finish the game on hard
Sara:
Finish the game on normal
Stealth Nick:
Finish the game on elite
Tonya:
Finish the game on hard
Training Nick:
Finish the game on easy
UN Soldier:
Finish the game on easy
Unlockable: All Powers
Complete the game to unlock all powers.
Unlockable: Arcade Mode
Complete the game.
Urban Nick:
Finish the game on normal
Wasteland Nick:
Finish the game on hard
Wei Lu:
Finish the game on normal
Pick off your pick up!
In the bonus level TK Alley, which is in fact.. bowling, you may notice a brief message that you've picked up a sniper rifle. Surprise, you can snipe the pins! You only get five shots each game, but depending on your mad lane skillz you may find the extra precision useful for a high score. Zoom in and go for the "head shot" over the top of the ball, then just pitch the ball to continue. The rifle will even cut through both rows of pins to let you snipe a whole strike!
suicide shot
When you are mind controling a guard click and hold both joysticks and after a moment he will kneel and blow his own head off! CAUTION!!! This will take almost a full bar of psi. Everything but the pistol will decapitate him.
Always Full Mind Drain
To do the full pop mind drain to an aware enemy, use TK to slam them into an object. The second they start to get back up, begin mind drain. The game will register it as unaware and will give you the full drain amount and the head pop.
Additional Playermodels for Psi-Ops
Move your cursor down to Extra Content and press the R Trigger. These Playermodels are then available when you start a new game or an Extra Mission.
Description
Effect
454566
Crispy Soldier
364654
Dockworker
497878
Edgar Barret
196001
Edgar Barret (Training 1)
196002
Edgar Barret (Training 2)
196003
Edgar Barret (Training 3)
196004
Edgar Barret (Training 4)
196005
Edgar Barret (Training 5)
196006
Edgar Barret (Training 6)
698798
Jack
468987
Jov Leonov
978798
Kimiko Jones
998789
Labcoat
489788
Marlena Kessler
135454
Marlena Kessler (Bikini)
136876
Marlena Kessler (Leather)
65496873
Marlena Kessler (Saranae)
321646
MP1
698799
MP2
654659
MP3
456498
Nick Scryer (Stealth)
564689
Nick Scryer (Training)
484646
Nick Scryer (Urban)
975466
Nick Scryer (Wasteland)
135488
Sara Blake
468799
Sara Blake (Psi)
231644
Sara Blake (Suicide)
546546
Scorpion
431644
The General (Clown)
459797
The General (Default)
678999
Tonya
365498
UN Soldier
231324
Wei Lu
978789
Wei Lu (Dragon)
654654
Wei Lu (Tranquility)
Extra Missions for Psi-Ops
Move your cursor down to Extra Content and press the R Trigger. These missions are then available under Extra Content
Description
Effect
659785
Aura Pool
154897
Bottomless Pit
568789
Bouncy, Bouncy
05120926
Floor of Death
9442662
Gasoline
154684
Gearshift
456878
Gnomotron
76635766
Panic Room
565485
Psi Pool
945678
Stoplights
428584
Tip the Idol
090702
TK Alley
020615
Up and Over
Extra Play Modes for Psi-Ops
Move your selection down to Extra Content and press the R Trigger These new modes are available from the Extra Content Menu. Survival from the Extra Missions Menu.
Description
Effect
05051979
Arcade Mode
07041979
Cooperative Play Mode
465486
Dark Mode
7734206
Survival
Misc. Passwords
At the main menu screen highlight "Extra Content" and press R. This will bring up a Password Entry screen.
Description
Effect
6016
Activate Skinselection
548975
Bullet Resistant
987978
No Head Cheat
456456
Super Psi
978945
Unlimited Ammo
537893
Unlock all Psi Powers
196006
Unlock Barret Training
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