Here is the full list of all 17 Temporal Temple achievements.
Unlock Mary
Die 25 times
Unlock Big Tam
Unlock Jakarta
You found it!
Jump 69 times in a single run
Watch the credits. Thanks!
Unlock Dan
Unlock Bone Boy
Use the Healing Shrine to recover health
Use the chest three times in a single run
Kill five Big Guys in a single run
Last over 60 seconds in a single run
Purchase a weapon from the chest
Purchase an item from the shop
Last at least 30 seconds in a single run
Kill a haunted enemy