Here is the full list of all 37 Beers and Boomerangs achievements.
Get a drink directly from a kangaroo to a friend
Commit a hideous crime with a skewer
Catch a Boomerangs coming back 1000 times
Take a Selfie
Get 2 quokkas in one shot!
You know you shouldn't have done that
Get 48 stars in total
Eat the 30 [unbranded for legal reasons] brown sauce sandwiches
Hit 200 tinyroos
Punch big kangaroos 50 times
It's actually not that uncommon in some places
That's a lot of sauce!
Score 10000 in the Arcade Defense Mode
Score 10000 in the Arcade Cooking Mode
Score 50000 in the Arcade Defense Mode
Score 50000 in Arcade Cooking Mode
Score 100000 in Arcade Defense Mode
Score 100000 in Arcade Cooking Mode
Beat wave 20 in Arcade Defense Mode
Beat level 1 minute before the time runs out
Ruin the fun for someone at the beach - Stab a beach ball
Complete a level without losing any boomerangs
You gave your corkscrew hat to a tinyroo
Complete a level without throwing any boomerangs
Serve 50 Burgers
you should have known this would happen
Unlock the Flip Flop boomerang
Unlock the Bananarang
Unlock the Frisbee disk
Unlock a new skin for your drink
Unlock yet another skin for your drink
Unlock a third skin for your drink
Unlock all drink skins
Play the intro for the song Down Under
Hit the cricket wicket 10 times with the ball
Get all the super stars by getting 3 stars in every level in hard mode