Knock! Knock!

KNOCK! KNOCK!

Dusk fell, the city emptied, and now something is at the door. Four safehouses. Eight doors. Survivors depending on you.

Hold the line through wave after wave of the voxel undead — nobody good knocks after dark.

How to play

• Click to shoot — headshots deal ×2 damage
• Right-hold a door to repair it before it's breached
• Buy turrets for automatic fire; right-click a turret to restock ammo
• Shoot the skull when it pops up for 10 seconds of DOUBLE DAMAGE
• Survive as long as you can and beat your high score

Tips:

• Guard your weakest doors
• keep turrets stocked
• get the skull bonus for double damage

A browser game — click to start (enables sound). Best played fullscreen.