Here is the full list of all 21 Turbo Kid achievements.
Defeat Becca
Defeat Silver Ghost
Toy with someone's feelings
Crash 50 times while riding your bike
Stockpile 5,000 Scraps
Defeat Oozinator
Have a feline interaction
Defeat the Preacher
Gain all rewards in the Lightning Dome
Bad ending
Get the good ending
Have all NPCs witness you leaving Middle Waste
Get all bike mini-games rewards
Unlock all teleport pads
Unlock all NPCs and Zones in the notebook
Kill 100 enemies by throwing heads
Get 100% completion rate
Get 5000 points in a single bike trick combo
Block the TV screen from its most faithful viewer
Steal the spotlight from the Queen
Get all achievements