Here is the full list of all 22 Righty Tighty XL achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Earn 750 points across all rounds
Unlock Mick and Rorty
Unlock all skins in the game
Unlock Bit Blaster
Unlock Orbt
Unlock Diamo
Unlock Ding Dong
Unlock Purple
Unlock Orange
Earn 50 Points in a single round
Earn 45 Points in a single round
Earn 40 Points in a single round
Earn 35 Points in a single round
Have a total of 50 near misses
Earn 30 Points in a single round
Earn 25 Points in a single round
Unlock Green
Unlock Blue
Earn 20 Points in a single round
Earn 15 Points in a single round
Earn 10 Points in a single round
Earn 5 Points in a single round