Oldschool Tyris costume:
To unlock the Oldschool Tyris costume, successfully complete the game.
Challenge mode:
To unlock Challenge mode, successfully complete the game. Start a new game and select “Challenge mode” at the start to play with your previously unlocked costumes and weapons.
Unlockable costumes:
Unlock the following costumes by successfully completing the corresponding levels:
COSTUME – HOW TO UNLOCK
Undead Scout costume – Queen of the Dead
Wastelands Scout costume – Secondborn
“The Classic Look” costume – Death Adder
Diyar Tracker costume – Firstborn
Fiend’s Battle Path Armor costume – The Last Titan
Brutal difficulty:
To unlock Brutal difficulty, successfully complete Story Mode.