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