Here is the full list of all 27 Cloud Escape achievements.
Reach the goal without destroying the pirate ship
Reach the goal within 6 minutes on Hard Mode without dying
Reach the goal
Shoot yourself over the mountains with the cannon
Get hit directly by a cannonball
Die at least once by falling, fire, blades, explosives, sea creatures and paranormal phenomena
Collect all 24 coins
Reach the goal on Normal Mode in 4 minutes
Activate a checkpoint with a parrot
Pop the balloon
Explore the mystery of the mountain
Climb the tower
Get on the raft
Avoid all green zones and reach the goal
Collect all 7 keys within 50 seconds (The Tower)
Make 4 Lil Booms explode within 15 seconds (The Tower)
Find all 7 keys and all 120 gems in one session (The Tower)
Find all 120 gems (The Tower)
Find all 7 keys (The Tower)
Find the secret star (Classic)
Find the secret star (The Tower)
Reach the top of the tower in 6 minutes (The Tower)
Reach the top of the tower without activating checkpoints (The Tower)
Reach floor 5 without getting hit by a turret (The Tower)
Reach the top of the tower without getting hit by an enemy (The Tower)
Reach the top (The Tower)
Reach the top without accumulating more than 850 meters of altitude (The Tower)