Here is the full list of all 12 Temple Trashers achievements.
Get your *** clapped by the golem 5 times during a single game
Destroy 5 golems in a single game
Finish a game in less than 30 seconds
Have at least three players playing at the same time
Zap 8 targets with the lightning turret in one zap
Defeat 500 skeletons across all games
Collect 20 or more crystals in a single game
You have completed Temple Trashers!
Score atleast 2500 points in a game
Score atleast 5000 points in a game
Score atleast 10 000 points in a single game
Die and take the base with you