we need a manual with all the controls

and remenber funcion like JUMP and 'MAJOR or MINOR power up' of single WEAPON upgrades.

use f4.... the game use function like radar,radar 3 level distance...light amplifier.... mouse head or run... ''use and try from f1 to f12 keyboard''..... bye. fantastic action, difficult to resolve puzzle switch,but fantastic if we have some hours to dedicate to it.