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