Tayari Plaza

Completed Tayari Plaza and unlocked the Buck character in Firefight.

Data Hive

Completed Data Hive and unlocked the Chasm Ten Firefight mission.

I Like Fire

Killed 10 enemies with the Flamethrower on Data Hive.

NMPD HQ

Completed NMPD HQ and unlocked the Romeo character in Firefight.

Kizingo Boulevard

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

Headcase

Finished any level with at least one Skull activated.

Uplift Reserve

Completed Uplift Reserve and unlocked the Dutch character in Firefight.

Boom, Headshot

Got 10 automag headshot kills in any level.

Tuned In

Found 3 Audio Logs, alone or with another ODST.

Ewww, Sticky

Got 5 sticky grenade kills in any level.

Super Sleuth

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

Dome Inspector

Got 15 headshot kills on NMPD HQ.

Listener

Found the first Audio Log.

Laser Blaster

Got 10 Spartan Laser kills on ONI Alpha Site.

Trading Down

Traded weapons with a fellow character.

Dark Times

Killed 5 enemies while using VISR mode.

Wraith Killer

Killed all Wraiths in Uplift Reserve.

Junior Detective

Found the first clue unraveling the mystery.

Gumshoe

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

Heal Up

Found the first Medical Kiosk and healed yourself.

Tourist

Accessed and downloaded the city map to your VISR.