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