W A S D / ARROWS MOVE   SPACE LEAP OVER ZOMBIES
MOUSE AIM WEAPON   LMB FIRE (ALL WEAPONS AUTO)
F PLASMA BOMB — 100 KILLS CHARGES IT · FULL CHARGE SAVES YOU ONCE
OVERFLOW: +HP & +SPEED EVERY 10 KILLS PAST FULL · COLLECT BLOOD TO HEAL
GRAB CRATES FOR NEW FIRE MODES (RIFLE / BURST / SCATTERGUN / MINIGUN)