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