A Boss is a powerful enemy that are defeated in missions.
Alien Leader's Ship[]
The Alien Leader is a boss that is found in an alien mission. It requires you to shoot it 3 times and avoid UFOs and Alien Attack Drones while playing as a military vehicle.
- Main Article: Alien Overlord
Krampus Tank[]
The Krampus Tank is the final boss of the Advent Calendar Missions. it is fought on Day 24. A protective glass dome will appear over his head if it is about to get hit, but this will only happen twice; the third time he can be defeated. On Day 25 of the calendar missions, the player may play with Krampus's Tank.
- Main Article: Saving Christmas
Gallery[]
Battling Krampus for the Advent Calendar.
