Cheat Galaxy: SiN

First press the [~] key (just like in Quake and Quake2). Then enter the code:

: /health 999 - 999 health
: /wuss - All weapons
: /superfuzz - God mode
: /nocollision - No clip mode
: /wallflower - No target
: /spawn magnum - Gives the Magnum
: /spawn shotgun - Gives the Shotgun
: /spawn assaultrifle - Gives the Assaultrifle
: /spawn rocketlauncher - Gives the Rocketlauncher
: /spawn sniperrifle - Gives the Sniperrifle
: /spawn heligun - Gives the big gun from the chopper
: /spawn chaingun - Gives the Chaingun
: /spawn BlueCard - Blue Identcard
: /spawn OrangeCard - Orange Identcard
: /spawn YellowCard - Yellow Identcard
: /spawn GreenCard - Green Identcard
: /spawn IdentCard - ???
: /spawn Code - ???
: /spawn KeyRing - Small key
: /spawn Dollar - Coin
: /spawn Evidence - Papers with evidence
: /spawn Decoder - ???
: /spawn PulsePart1 - First part of Pulse Cannon
: /spawn PulsePart2 - Second part of Pulse Cannon
: /spawn PulsePart3 - Third part of Pulse Cannon (as soon as all 3 parts are picked up, the weapon is ready
: /spawn Chemsuit - Protection suit
: /spawn Blueprints - Blueprints from constructionsite
: /spawn U4 sample - Sample from chemplant
: /spawn Envelope - ???
: /spawn Silencer - Silencer for sandard gun

Secret weapons:

: Type (in console) Give Thrallgun and bind it to an easily accessable key 'M' eg. Bind M "use thrallgun".