Please rescue the survivors after destroying the virus infected zombies in the secret weapon research center under the ground.
The final mission is to go down to the basement floor 1000 and destroy the main core which is the cause of infection.
- Automatically obtain items in auto-battle
- Upgrade on AP and reinforce troops of combat squad
- Upgrade drill robot of each part
- Battle with super zombies
- Story missions and rewards
- Rescue the survivors
- Use cutting edge booster equipment
- Hire specialists to break the ability limit
- Support many languages
- Camera auto scroll