Complete mission 6: "Train Robbery"

Shoot down a flying Hawk with the Ox Heavy Tank.

With the LR-3 Railgun, kill an enemy from more than 2,500 feet away.

Win your first Capture the Flag game.

Use Build & Battle for the first time in multiplayer.

Complete mission 5: "Ballard's Crossing"

Complete mission 4: "The Pipeline"

Kill an enemy with a Tetranite Grenade from at least 200 feet away.

Defeat the mech in "Harvest Season"

Complete mission 1: "Homecoming"

Kill an enemy with a melee attack.

Defeat Doppelganger.

Defeat Lady.