Here is the full list of all 28 Bing Bong XL achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Earn 1500 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
Earn 80 Points in a single round
Have a total of 50 near misses
Earn 75 Points in a single round
Earn 70 Points in a single round
Earn 65 Points in a single round
Earn 60 Points in a single round
Earn 55 Points in a single round
Earn 50 Points in a single round
Earn 45 Points in a single round
Earn 40 Points in a single round
Unlock Orange
Unlock Blue
Earn 35 Points in a single round
Earn 30 Points in a single round
Earn 25 Points in a single round
Earn 20 Points in a single round
Unlock Red
Earn 15 Points in a single round
Earn 10 Points in a single round
Earn 5 Points in a single round