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
Make it rain
Beat the game
Beat the game under an hour
Don't kill a skull while fighting the final boss
Carry all four blue blobs at the same time
Collect all balloons
Kill the ghost in Lurid
Light a checkpoint while the ghost is chasing you
Get all abilities
Carry more than one balloon