Complete the following achievements to collect their Xbox Live Gamerscore points.

Achievement	How to unlock
Choking Hazard (25 points)	Find the dead fish who ate an urchin.
Chumless (75 points)	Make it through Light and Teeth without taking damage.
Control (50 points)	Endure a delusion of control.
Escape (25 points)	Do not die alone.
Grandiosity (50 points)	Endure a grandiose delusion.
In Flow (75 points)	Make it through the dark fish delta in Flow without taking damage.
Jacques Cousteau (20 points)	Make your presence known in Shock.
Memory Leak (10 points)	Find a secret irradiated montipora and dive into ALTA's archives.
Minesweeper (75 points)	Make it through the bobbit lair without taking damage.
Over Here, Sonya! (25 points)	Winner winner frozen dinner. Find the frozen fish.
Overflow (50 points)	Find half of the secret montipora.
Persecution (50 points)	Endure a persecutory delusion.
Reality Check (100 points)	Endure each delusion.
Ryan... (25 points)	Not all voices are against you. Find the Hall of Voices.
Safe Passage (75 points)	Make it through the dark fish delta in Dark without taking damage.
Somatic (50 points)	Endure a somatic delusion.
Submersion (75 points)	Find every secret montipora throughout the cave network.
Sunk (100 points)	Complete the montipora archive in every reality.
Thrusters Disabled (10 points)	Do you trust ALTA?
Thrusters Enabled (10 points)	Let's hope you're right.
Videographer (25 points)	Enable the scenic screenshot mode.