Here is the full list of all 11 Escape from the Cosmic Abyss achievements.
Hear the Guardian's scream for the first time
Hear the Guardian's scream 50 times
Complete the tutorial
Beat the game
Beat the highscore in any level besides the tutorial
Beat the highscore in all story levels
Complete the game on speedrun with any time record
Score at leat 15000 on arcade mode
Dodge 1000 tentacles
Clear 500 tentacle barriers
Dodge 250 lasers