Boss levels are basically the levels for the 4 bosses in the Slush Invaders: Game.
- All of them can use some kind of fire or laser attack, except for Blomar.
- The Bluish Fighters are the only boss who are stick men, the rest being a robot or undead thing.
- The Ether Lord is the only boss that is not a minion of Big Blue.
- Bleric is the only boss with a gun.
- Each boss has their own different location.
- BigBoi Prime is the only boss whose location is off the Earth.
- Robo Hokie, Ether lord and Blomar are the only bosses with sword like weapons.
- Blhomas is the only combo master who is a boss.
- Every boss except The Robo Hokie, Blomar, and BigBoi Prime, can use an Ultra Attack.
- Technically, there are 6 bosses, if you count every individual as a boss.