TechLookz

Cheat mode:
Go to the "Special Features" menu and buy for the indicated amount
of Intel Points:

Ghost Mode: 250 Points
Team God Mode: 450 Points
Fast Movement: 450 Points
Unlimited Ammo: 550 Points
Unlimited Items: 550 Points
God Mode: 600 Points
One Shot Kill: 600 Points
Increased Force: 650 Points
Invisible: 900 Points

Unlock artworks images:
Go to the "Special Features" menu and buy for the indicated amount
of Intel Points:

Part 1: 10 Points
Part 2: 10 Points
Part 3: 10 Points
Part 4: 10 Points

Cheats:
Enter the following button combinations:
Ghost Mode: Enter Up, Up, Left, Right, Down, Down.
Team God Mode: Enter Left, Down, Up, Up, Right, Left.
Fast Movement: Enter Left, Left, Left, Right, Right, Right.
Unlimited Ammo: Enter Up, Down, Up, Down, Left, Right.
Unlimited Items: Enter Left, Right, Left, Right, Up, Down.
Increased Force: Enter Right, Right, Right, Down, Down, Down.
One Shot Kills: Enter Up, Up, Up, Left, Left, Left.
God Mode: Enter Up, Right, Left, Up, Down, Down.
One Shot Kill: Enter Up, Up, Up, Left, Left, Left
Invisible: Enter Down, Down, Down, Up, Up, Up.