Here is the full list of all 70 Mighty No. 9 achievements.
Complete every SPRINTER! technical bonus.
Complete the game without restarting on HARD difficulty.
Complete the game on HARD difficulty.
Attack the final boss with every single Mighty Number ability.
Achieve all FINE PLAY! technical bonuses in the Robot Factory boss battle.
Complete the game within 120 minutes.
Complete the game within 60 minutes.
Complete any stage with Beck's feet touching the ground for no more than 1 second.
Beat the final boss with zero lives remaining and low health.
Achieve all FINE PLAY! technical bonuses in the Last Stage boss battle.
Complete any stage with a 100% absorption rate.
Complete the Factory stage within 9 minutes with all transformations.
Complete the Water Plant stage without being frozen.
Attack and absorb enemies 5 times in the air before landing.
Complete every AMAZING! technical bonus.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 6 boss battle.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 5 boss battle.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 4 boss battle.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 3 boss battle.
Complete any stage without absorption combos or technical bonuses.
Complete any stage by jumping only 30 times or less.
Complete any stage without taking damage.
Complete the City stage without taking damage.
Achieve all FINE PLAY! technical bonuses in the Prison boss battle.
Defeated a boss with 1% or less health on Beck.
Get defeated by a boss at less than 10% health.
Complete any stage without using a ReXelection or missing an attack.
Defeat all Mighty Numbers with only normal attacks.
Score 1,000,000 points in total.
Complete any stage without using healing items.
Maintain ability boosts for 60 seconds in any stage.
Complete any stage without pressing normal movement inputs for longer than 1 sec. at a time.
Ascend 100m without touching anything.
Witness every helping event by Mighty Numbers.
Achieve an A rank or higher and 100% Xel absorption rate result.
Get 50 100% Absorption combos in a row.
Achieve all FINE PLAY! technical bonuses in the Opening Stage boss battle.
Get 40 100% Absorption combos in a row.
Achieve an S rank result.
Get 30 100% Absorption combos in a row.
Get 20 100% Absorption combos in a row.
Complete any stage by dashing only 9 times or less.
Don't attack for the first 30 seconds of a boss battle.
Complete every QUICK CLEAR! And NICE CLEAR! technical bonus.
Complete the game on NORMAL difficulty.
Complete a stage with Call.
Complete 8 main stages and rescue all Mighty Numbers.
Defeat Mighty No. 5 before he detonates his special attack.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 2 boss battle.
Drop 100m without touching anything.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 1 boss battle.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 8 boss battle.
Complete any stage with just a single death.
Score 100,000 points in total.
Defeat any Mighty Number without letting them heal.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 7 boss battle.
Achieve a WONDERFUL! technical bonus.
Get more than 10 game overs in your play lifetime.
Activate all ability boosts at the same time.
Get 10 100% Absorption combos in a row.
Score 10,000 points in total.
Complete the opening stage.
Get 5 100% Absorption combos in a row.
Get 3 100% Absorption combos in a row.
Complete the game on HYPER difficulty.
Complete Mighty No. 9 on the 9th.
Defeat all bosses with only normal attacks.
Complete all themes in single-player Challenge Mode.
Complete Boss Rush Mode for the first time.
Complete Boss Rush Mode in less than 20 minutes.