Kill zombies....
Use shotgun. Eliminate enemies....
Edit screen. Complete levels....
Destroy swarm. Shoot aliens....
Select upgrades. Win battles....
Acquire materials. Earn credits....
Play minecraft. Create new....
Use a mower. Upgrade for next stage....
Earn tips. Manage cars....
Shoot and hide. Replenish health....
Reach flag. Dodge monsters....
Explore story. Click and select....
Enjoy transformation. Use tools....
Enjoy open world. Upgrade gear....
Enjoy teamplay. Upgrade character....
Upgrade attacks. Clear stages....
Fight and win. Unlock skins....
