Item List :  Use with 'gimme (item)':

allergen grenades
catteni blaster
catteni blaster ammo
catteni pistol
catteni pistol ammo
rifle
rifle ammo
toolkit

Level Select :

First make a backup before making any changes. Open the file 'freedom.cfg' with any text editor. Then add the line:

showmissions true

Then select Load Game.

Cheat Codes:

First make a backup before making any changes. Open the file 'action.cfg' with any text editor. Then add the line at the top:

bind tilde console

Now during gameplay, press ~ and type any of the following "Codes":

Cheat Code - Granted Wish

toggleai - Enemy AI On/Off
toggledoors - All Doors Unlocked
toggledamage - Toggle Damage for All Characters
badguysarelousyshots.01 - Enemies Are Less Accurate
toggledetection - Enemies Can't Detect You
gimme (item) - Gives (item)