Story progression and will unlock after finishing a certain story mission (Green symbols).
Click spoiler to find out which Act has which missions!
*** Spoiler - click to reveal ***Act 1
-Feral Man
-Magnum Opus
-Righteous Work
Act 2
-Into Madness
-A Wasteland Classic
-A Piece Tougher (Mission Req's: Day Lizard Legend Rank, Take Down One Gutgash Camp)
-Black Magic
Act 3
-Smoke Rises
-Dance With Dead
-Fumehead's Debt
-Immortal Enemy (Mission Req's: Gas Guzzler Legend Rank, Upgrade Knuckledusters, Jacket, and Wrist Armor)
Act 4
-The Big Chief (Mission Req's: 2 Projects Built In Deep Friah's Stronghold, Complete 3 Wasteland Missions)
-In It For The Glory
-All Is Lost Forever
Act 5
-Paint My Name In Blood