Acquire Medusa’s Gaze

Open a Health Chest when your health meter is already full

Acquire Poseidon’s Rage

Finished the game on the hardest difficulty level.

Reunited with your original Little Sister.

Saved every Little Sister and spared Grace, Stanley and Gil.

Dealt with every Little Sister.

Maxed out one Research Track.

Uncovered the secret of Dionysus Park.

Gathered 600 ADAM with Little Sisters.

Defended yourself against the Big Sister without dying.

Installed the third upgrade to a weapon.

Use a power-up against every opponent on the track (globals not included)