Here is the full list of all 30 Megabyte Punch achievements.
Collect all 150 parts
Win all the special parts from the tournament.
Find all 30 hidden colors
Win the tournament without dying
Defeat the big boss without losing a life
Win the tournament with no ability parts equipped
Win the tournament
Find the flying ruins
Reflect a projectile 10 times in a row
Find the Megabyte Punch arm part
Find the hidden level
Clear the Electro Caves Stage 1 within 30 seconds
Complete the adventure mode!
Defeat the Emperor
Break 16 enemy shields with your pelvic thrust
Spend over 5000 bits in the shop
Jump 5 times in a row
Complete the frostbyte challenge level
Collect 8192 bits
Defeat General HB-03
Bounce from the hot plates 10 times in a row
Defeat the Ice-Beak Assassins
Destroy 1000 enemies
Defeat Grand Khotep Muer
Defeat Grand Khotep Scarb
Destroy 500 enemies
Defeat General HB-02
Destroy 100 enemies
Defeat Warlord Bouldar