Campaign Complete: Normal

Completed the Campaign on Normal difficulty.

Coastal Highway

Completed Coastal Highway and unlocked the Last Exit Firefight mission.

Data Hive

Completed Data Hive and unlocked the Chasm Ten Firefight mission.

Kikowani Station

Completed Kikowani Station on Normal, Heroic, or Legendary.

Super Sleuth

Found the final clue unraveling the mystery, alone or with another ODST.

NMPD HQ

Completed NMPD HQ and unlocked the Romeo character in Firefight.

Dome Inspector

Got 15 headshot kills on NMPD HQ.

ONI Alpha Site

Completed ONI Alpha Site and unlocked the Alpha Site Firefight mission.

Laser Blaster

Got 10 Spartan Laser kills on ONI Alpha Site.

Kizingo Boulevard

Completed Kizingo Blvd. and unlocked the Mickey character in Firefight.

Tourist

Accessed and downloaded the city map to your VISR.

Ewww, Sticky

Got 5 sticky grenade kills in any level.

Gumshoe

Found the 3rd clue unraveling the mystery, alone or with another ODST.

Tuned In

Found 3 Audio Logs, alone or with another ODST.

Uplift Reserve

Completed Uplift Reserve and unlocked the Dutch character in Firefight.

Trading Down

Traded weapons with a fellow character.

Headcase

Finished any level with at least one Skull activated.

Boom, Headshot

Got 10 automag headshot kills in any level.

Listener

Found the first Audio Log.

Tayari Plaza

Completed Tayari Plaza and unlocked the Buck character in Firefight.

Junior Detective

Found the first clue unraveling the mystery.

Heal Up

Found the first Medical Kiosk and healed yourself.

Dark Times

Killed 5 enemies while using VISR mode.