Use Photo Mode.

Fill a Weapon Wheel

Reach the Archives

Equip a Cosmetic Armor

Battle the All-Father

Battle Heimdall

Win a run with every character in No Return

Remember the Spartan teachings

Win a Daily Run of No Return

Complete "The Assault on Fort Mercer".

Complete 20 story missions without switching to a new horse at a hitching post.

Retrieve Mardöll

Equip an Enchantment