Here is the full list of all 39 TY the Tasmanian Tiger achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
You found all the Picture Frames!
Defeat 200 enemies using your Bite
Set a best time with the Chronorang equipped.
Defeat 100 enemies with the Flamerang
Hit Shazza with the Flamerang
Burn 50 Cricket Bats
Defeat 75 enemies with the Zappyrang
You got 100% of everything!
You got 100% of everything! (HardCore)
Get all the boomerangs
You got all the Rainbow Scales
You got the Chronorang
You got the Kaboomerang
Completed All Time Attacks
You found all the opals!
You found all the Bilbies!
Hit Lenny with the Flamerang 15 times
You got the Megarang
You got the Infrarang
You didn't miss with a single boulder!
Run out of lives. So sad...
You got the Multirang
You got the Zoomerang
You learnt how to swim!
Get a thunderegg from a turkey using a super bite
Bite a leech.
You got your second rang!