List of Bosses by Level

A list of bosses by level that have been shown to be currently implemented in the game. Mini-Bosses are marked with M.

World 1

1-3: Mouser M

1-GH1: Big Boo Boss

1-F1: Goomba King

1-S1: Birdo M

1-S2: Radonkel the Crow

1-6: Submarine Eggman II (World 7 Exit)

1-F2: King Totomesu

1-9: Dragonzamasu

1-F3: Pako The Octopus, Dive Man (World 3 Exit)

1-S5: Spiked Koopa

1-10: Kracko (World 8 Exit)

1-F4: Lakithunder

1-F5: Reznor

1-19: Siren

1-F6: Ghostly Mouser and Death

1-20: Boom-Boom

1-F7: Boom-Boom

1-F8: Dry Bowser

1-WB: Bowser

World 2

2-3: Foreman Spike M

2-4: Willy

2-S1: Zombie Horde M, Tyrant

2-10: Golden Pharaoh

2-15: Duke of India

2-16: Shoe

2-17: Dr. Cortex

2-18: Lu Bu

2-WB: General Morden

World 3

3-1: Guts Man

3-2: Wood Man

3-3: Cut Man

3-4: Dust Man M, Needle Man

3-5: Skull Man

3-6: Snake Man

3-7: Aqua Man, Pirate Man

3-8: Gemini Man

3-9: Bubble Man

3-10: Elec Man

3-11: Air Man

3-S2: Uranus, Galaxy Man

3-12: Slash Man

3-13: Napalm Man

3-14: VAN Pookin M, Shade Man

3-15: Knight Man

3-16: Tomahawk Man M, Centaur Man M, Charge Man

3-17: Bass

3-18: Sisi Truck M, Mad Grinder M, Nitro Man and Turbo Man

3-WB1: Top Man M, Yamato Man M, Hornet Man M, Yellow Devil

3-WB2: Sword Man M, Mercury M, Enker M, Buster Rod G M, Sonic Man M, Magic Man M, Konro Man M, Commando Man M, Dr. Wily

World 4

4-4: Sir Grakul

4-8: Cyberdemon

4-10: Necromancer

4-11: Draconian

4-12: Black Dragon

4-S3: Shambler

4-15: Richter Belmont

4-WB: Astaroth M, Loki

World 5

5-1: Clawgrip M

5-4: Octeyes

5-8: Siren (2nd Fight)

5-S1: Alien Hatchery M, The Synomium Device

5-WB: Cacobirdo

World 6

6-F1: Meg

6-S2: Green Walrus

6-F2: Flare Dancer

6-F3: Angler Fish

6-F4: Tryclyde

6-S4: General Guy

6-15: Kaiser Dragon

6-S5: Helmethead, Daos

6-S6: ???

6-WB: Devil M, Dracula

World 7

7-1: Egg Tumbler

7-2: Egg Marine

7-4: Screw Mobile

7-8: Calliope the Clown

7-9: Ghost Snowman

7-11: Ograoum Papas

7-15: E.G.G. Truck and Metal Sonic

7-16: Egg Shroom

7-18: Silver Sonic

7-WB: Mecha Sonic M, Dr. Eggman

World 8

8-4: King Watinga

8-5: Whispy Woods, King Dedede (Secret fight)

8-6: Mad Scientstein

8-8: Lololo and Lalala

8-S2: King Egger

8-15: IceFoot

8-16: Thief

8-17: Pac-Chomp

8-S5: Evil Otto

8-WB: Retro Bowser M, Master Hand

World 9

9-3: Gomander

9-S1: WALDO

9-5: Troop of Cannons

9-6: Bacterion

9-7: Red Falcon Flood Beast

9-S2: Flood Cacobirdo

9-9: Star Man

9-10: Satellite M, Bomb Man M, Robo-Corpse

9-WB: Zeta Metroid

9-?: Dobkeratops

World 0

0-WB: Abomination