Here is the full list of all 27 TY the Tasmanian Tiger 2 achievements.
Defeat Buster
Put out the fires on the oil rig
Buy all the bunyip licenses.
Buy all the rangs from the Rang Shop.
Defeat Patchy
Finish any race in first place.
Complete Currawong Prison level.
Complete the game
Finish the game to 100% complete
Defeat Fluffy
Find all the disguised Frills
Finish in first place in all races.
Buy all the rangs from Sly's Shack.
Find, and listen to, Steve in all his locations.
Find all the Bilbies.
Find all the picture frames.
Find all the cogs.
Find all the Kromium Orbs.
Complete all the missions.
Collect a total of 200,000 opals.
Complete all the Birrel and Squeaver missions.
Buy all the maps from Madame Mopoke.
Buy ALL the skins for TY and the Fourbie, from Trader Bob.
Complete the game (Hardcore)
Finish the game to 100% complete (Hardcore)