Here is the full list of all 31 Mighty No. 9 trophies - there are 16 bronze, 9 silver, 5 gold and 1 platinum.
Get 'em all.
Complete all themes in single-player Challenge Mode.
Complete every SPRINTER! technical bonus.
Complete every AMAZING! technical bonus.
Achieve all FINE PLAY! technical bonuses in the Last Stage boss battle.
Achieve all FINE PLAY! technical bonuses in the Robot Factory boss battle.
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. 5 boss battle.
Achieve an S rank result.
Achieve an A rank or higher and 100% Xel absorption rate result.
Get 50 100% Absorption combos in a row.
Complete the game within 60 minutes.
Complete every QUICK CLEAR! And NICE CLEAR! technical bonus.
Score 1,000,000 points in total.
Complete the game without restarting on HARD difficulty.
Complete the game within 120 minutes.
Complete the game on HARD difficulty.
Complete Boss Rush Mode in less than 20 minutes.
Complete Boss Rush Mode for the first time.
Achieve all FINE PLAY! technical bonuses in the Opening Stage boss battle.
Complete the game on HYPER difficulty.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 8 boss battle.
Complete the game on NORMAL difficulty.
Achieve all FINE PLAY! technical bonuses in the Prison boss battle.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 3 boss battle.
Score 100,000 points in total.
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.
Achieve all FINE PLAY! technical bonuses in the Mighty No. 1 boss battle.
Score 10,000 points in total.