Adrenaline Combos

Use WASD or the arrow keys to enter these codes when your adrenaline reachs 100.
Code - Effect :
Up, Up, Down, Down - Berserk (Faster firing rate)
Down, Down, Down, Down - Booster (Regeneration)
Right, Right, Right, Right - Camouflage
Left, Left, Left, Left - Character shrinks
Right, Right, Left, Left - Invisibility
Up, Up, Up, Up - Speed