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