Boss units are NPC characters that are battled when landing on co-op bosses.panels. There are two main categories of bosses; standard bosses and
- In Normal Mode and Xmas Mode, the boss that is fought is dependent on the board being played on (except in the case of , who can appear on any board if conditions are met).
- In Co-op Mode, the co-op boss will be fought.
- In Bounty Hunt Mode, the boss is always .
|Standard Bosses||Co-op Bosses|