Throw the vial in the trash.
Put the vial in the box.
Solve 10 artifacts in Challenge Mode.
Solve 7 artifacts in Challenge Mode.
Solve 3 artifacts in Challenge Mode.
Listen to all the dialogues from the subway to the end of the game.
Listen to all the dialogues in semantic memory.
Listen to all the dialogues on the island.
Find out about Jack's secret.
Explore the Boulevard of Death.
Explore the Avenue of Life.
Make Tara come back.
Recover your career memories.
Recover your college memories.
Recover your childhood memories.
Find yourself alone.
Put the clock on the pedestal.
Find a shark in the sea.
Solve the A29-70 artifact.
Solve the A25-6b artifact.
Solve the A20-20 artifact.
Solve the A18-6f artifact.
Solve the A15-61 artifact.
Solve the A12-6d artifact.
Solve the A9-20 artifact.
Solve the A6-74 artifact.
Solve the A4-6e artifact.
Solve the first artifact.