Complete an Echo Six Expansion mission without killing anything with a gun.

Complete Nothing is as it Seems

As Tweed, use C4 to open door in Foundry

Do not wake up Lickers in the Atrium encounter in By the Trail of Our Dead

Beat an Echo Six Expansion Pack mission with the 3 female characters in your party.

Unlock the "Dog" ending.

Defeat at least 75 enemies by fighting in SH2.

Acquire the Dog Key.

Complete SH2 on Extra Riddle difficulty.

Unlock the "Rebirth" ending.

Acquire the Obsidian Goblet.

Acquire the White Chrism.

Unlock the "Maria" ending.