Unlocked when the player completes Act I.

Unlocked when the player falls into the void on the way to the Cinema.

Unlocked after the player gets their second luminary.

Complete 100% of all main mission constraints.

Complete present day mission 5.

Rescue pirate hostages by distracting enemies with "dancers."

Harpoon a killer whale.

Complete memory sequence 11.

Complete present day mission 4.

Visit every location of the game.

Wake up in a haystack.

Explore all underwater shipwrecks.