Instructions:

- Use the [1..6] hotkeys to quickly change between weapons
- Build barricades before hiring survivors
- Kill multiple zombies at once with the verticle melee weapons (axe, light-saber)
- Range weapons are best used against small zombies, large zombies can be easily killed by melee weapons
- Use the laser gun only in critical conditions
- The maximum barricade (wire barricade) is vital for surviving in later levels