: Aim and fire.
Arrow keys (or A and D)
: Walk left/right.
S, Shift or Down Arrow
W, Space or Up Arrow
: Change weapons
Enter, G, Ins or 0
: Throw Grenade
Get from one side of the level to the other while keeping your head attached to your shoulders.
- Upgrade helmet and armor for your own protection.
- Grab health pickups for a quick recharge.
- Headshots, headshots, headshots. Always aim for the head.