Here is the full list of all 12 Lorera achievements.
Beat the game
Collect all balloons
Kill the ghost in Lurid
Get all abilities
Carry more than one balloon
Beat the game under an hour
Make it rain
Return all the balloons to the balloon guy under 20 minutes
Beat the game in impossible
Light a checkpoint while the ghost is chasing you
Carry all four blue blobs at the same time
Don't kill a skull while fighting the final boss