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