In the Main Campaign, completed Lighthouse.

Complete any Challenge Tomb

Survive a night in the Siberian wilderness

Enter the Syrian tomb

Finished the game without using Vita-Chambers.

Headed to the surface on the side of Sinclair's escape pod.

Found 100 audio diaries.

Fully upgraded to the maximum number of Plasmid Slots.

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

Completed all research on every subject in Rapture.

Killed an enemy with its own projectile.

Uncovered the secret of Dionysus Park.

Defeated the Preacher.