- Game Basics
- Survival game collecting resources and building structures to protect vault from zombies
- Internet Explorer causes characters and buildings to appear transparent
- Resources and Equipment
- Trees, rocks, and rubies provide resources for building structures
- Pick, window, bow, and bomb are available for purchase and upgrades
- Pickaxes and spears are more upgradeable than bows and bombs
- Facilities
- Walls can be installed with 250 units, doors with 40 units
- Slow traps can be installed with 12 units
- Seven towers available for attacking zombies
- Mine and resource gatherer towers collect resources automatically
- Upgrades and Features
- Towers can be upgraded based on safe level
- Safe upgrades require gold
- Tower restricted areas based on safe placement
- Map shows locations of teammates, towers, and zombies