The boss rush is a location that can be unlocked in the crashed airship when defeating all bosses. and when entering the door. your powerups & cheats will be disabled. you can choose what power-up you want and the dragon scale & bone petal can be used only 1 time.
- Burgerstien & Slider
- Flying Spaghetti Monster
- Yoshi King (When Defeating The Other Bosses)
- Final Confrontation Mario (When Defeating King Yoshi)
- Pompo's Is a light green & purple hue.
- Saladro's Is a Lime & Dark Lime hue.
- Umbreltar's Is a Purple & pink hue. the backround is still the whale insides.
- Burgerstien's Is a Grey & Yellow hue.
- Flying Spaghetti Monster's Is a Brown-gray & Orange hue.
- Mario's Is a red hue.
- Monstario Is still the same as mario's boss room
- Dan's is the same as mario.
- Yoshi King's Is A Magenta & Orange hue. the backround is the thunder woods peach forest.
- Final Confrontation Mario is still the same.
- The Boss rush door in the 2.9 Beta did not have an outline.
- When you complete the boss rush. bowser is actually seen other than the fake ending when beating monstario.