- Gruesome Twosome
In co-op, kill 50 enemies while riding a Mongoose with another player.
- You, Me, Same Page
In co-op, destroy all cooling towers at the Dig Site within 60 seconds of each other.
- Inseparable
In co-op, kill a Hunter and its bond brother within three seconds of each other.
- First Responders
In co-op, answer all UNSC distress calls on any difficulty.
- Hunting Party
In co-op, eliminate all Banished High-Value Targets on any difficulty.
- Wardens of Zeta
In co-op, complete all seven Banished outposts on any difficulty.
- Controlled Demolition
In co-op, destroy four Fuel Silos within five seconds at either Ransom Keep or the Forge of Teash.
- Air Raid
In co-op, kill 100 enemies while all players are riding air vehicles.
- Cow Catcher
In co-op, splatter 50 enemies while riding in a vehicle with another player.
- What's Rightfully Ours
In co-op, capture all Forward Operating Bases on any difficulty.
- Rolling Thunder
Kill 5 enemies with a Gravity Hammer from a vehicle. All players aboard vehicle share progress.
- Keep It Steady
Kill 5 enemies with a Sniper Rifle from a vehicle. All players aboard vehicle share progress.
- Mix Things Up
Get at least one kill with every available weapon and grenade on the Banished ship.
- Turnabout is Fair Play
Kill one Chieftain and use his turret to kill another in the Repository.
- Spire Stalker
Kill 40 enemies with the Stalker Rifle at the Command Spire.
- Workplace Safety Violation
Kill an enemy with the Banished mining laser.
- Stick Around
Defeat Tremonius with the Skewer.
- Rapid Unscheduled Disassembly
Destroy both Phantoms before they leave Outpost Tremonius.
- It Really Does Beat Everything
Eliminate all enemies at the South Beacon with a Scorpion Tank.
- Vintage Fisticuffs
In the Nexus, kill the Hunter pair with melee final blows.
- Gatecrasher
Breach the Auditorium in under three minutes.
- More Than He Bargained For
Defeat War Chief Escharum without ever fully losing your shields.
- Wolves at the Doors
In co-op, lower all three gates within 15 seconds of each other at Riven Gate.
- Out with a Bang
Kill the Tower commander with a Plasma grenade.
- Conservation of Momentum
Complete the Conservatory in less than 15 minutes.