Kirby: Battle Royale Bonus stages
Successfully complete the indicated task to unlock the corresponding stage:
Combo Cannon Arena stage: Successfully complete the game on Hard mode. The hazards are cannons.
Door Maze stage: Play the game 150 times. The hazards are stage will periodically change.
Fountain Of Dreams stage: Successfully complete the game with Kirby. The hazards are stars.
Halberd stage: Successfully complete the game with Meta Knight. The hazards are Meta Knight minions.
Kirby’s House stage: Successfully complete the game 100%. The hazards are no enemy threats.
Moon stage: Successfully complete the game. The hazards are no enemy threats.
Bonus characters
Successfully complete the indicated task to unlock the corresponding character:
Blade Knight: Defeat him in the Sword Tournament. He has the Sword combat style.
Bonkers: Defeat him in the Hammer Tournament. He has the Hammer combat style.
Burnin’ Leo: Defeat him in the Fire Tournament. He has the Fire combat style.
Chilly: Defeat him in the Ice Tournament. He has the Ice combat style.
Golem: Defeat him in the Rock Tournament. He has the Stone combat style.
Heavy Knight: Defeat him in the Sword Tournament. He has the Sword combat style.
Hot Head: Defeat him in the Fire Tournament. He has the Fire combat style.
King Dedede: Defeat him in the Final Tournament. He has the Hammer combat style.
Needlous: Defeat him in the Needle Tournament. He has the Needle combat style.
Pengi: Defeat him in the Ice Tournament. He has the Ice combat style.
Prank: Buy him in the shop. He has the Paint and Pranks combat style.
Rocky: Defeat him in the Rock Tournament. He has the Stone combat style.
Sir Kibble: Defeat him in the Cutter Tournament. He has the Cutter combat style.
Sparky: Defeat him in the Spark Tournament. He has the Spark combat style.
Waddle Doo: Defeat him in the Starter Tournament. He has the Beam combat style.
Amiibo unlockables
Scan the indicated amiibo to unlock the corresponding bonus:
Kirby amiibo: Ultra Sword Hat. The description reads: “A well-made replica of the hat that’s tied to a legendary planet-cleaving sword.”
Qbby amiibo: Qbby Cap. The description reads: “This mysterious headwear can supposedly bend boxes to its will.”
Waddle Dee amiibo: Cafe Cap. The description reads: “This cap is worn when working in a certain café Stylish!”
King Dedede amiibo: Masked Dedede Mask. The description reads: “This mask is said to contain mighty power. Looks seriously scary!”
Meta Knight amiibo: Galacta Knight Mask. The description reads: “This headgear looks like a legendary warrior with powers of great destruction.”