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