> load game
> headshot guard
> exit vent
> open stall
> exit bathroom
> descend stairs
> open door
> headshot guard
> get ????????? (5)
> get keycard
> open door
> activate door
> open door
> open door
> open door
> open door
> shoot guard
> headshot guard
> enter laboratory
> get ammo
> talk doctor
> get decoder
> use decoder
> lay mine
> lay mine
> lay mine
> use detonator