Stealth kill 15 enemies without alerting anyone.

Collect your first hidden Sly mask.

Make your first purchase on ThiefNet.

Complete an online Ranked Match

Win a match-made online game

Kill a player flying a Vulture pack by ramming them with your Hawk.

Complete mission 6: "Train Robbery"

Kill an enemy with the A.R.M.

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

Defeat the Apex Warrior in "The Pipeline"

Defeat the mech in "Harvest Season"

Complete mission 2: "The Freightway"

Kill an enemy with a melee attack.