Kill 5 enemies with a Sniper Rifle from a vehicle. All players aboard vehicle share progress.
Eliminate all enemies at the South Beacon with a Scorpion Tank.
Kill the Tower commander with a Plasma grenade.
Defeat War Chief Escharum without ever fully losing your shields.
Revive 3 allies in an Attrition/Elimination round in a matchmade or custom game.
Kill an enemy with the Banished mining laser.
Kill one Chieftain and use his turret to kill another in the Repository.
Kill 40 enemies with the Stalker Rifle at the Command Spire.
Breach the Auditorium in under three minutes.
In the Nexus, kill the Hunter pair with melee final blows.
Defeat Tremonius with the Skewer.
Destroy both Phantoms before they leave Outpost Tremonius.
Get the Scorpion all the way to the "House" without it blowing up.
Complete the Conservatory in less than 15 minutes.
Discover all hidden Skulls.
Complete a Battle Pass.
Acquire all Spartan Cores.
Use the Thruster 50 times.
Complete all Valor-awarding activities.
Destroy 40 Banished Propaganda Towers.
Scan all seven Forerunner Artifacts.
Access all 34 Mjolnir Armor Lockers.
Fully upgrade the Thruster ability.
Fully upgrade the Threat Sensor ability.
Complete all main campaign missions on Heroic difficulty.
Complete all main campaign missions on Legendary difficulty.
Complete the main campaign on Normal difficulty.
Complete the main campaign.
Unlock all Banished Audio Logs.
Throw 50 fusion coils.
Use the Threat Sensor 50 times.
Complete all seven Banished outposts.
Eliminate all 15 Banished High-Value Targets.
Capture all available Forward Operating Bases.
Answer all UNSC distress calls.
Discover your first hidden Skull.
Take down all three Banished AA guns.
Fully upgrade the Grappleshot.
Stick 50 enemies with grenades.
Deploy the Drop Wall 50 times.
Unlock the Thruster ability.
Fully upgrade the Drop Wall ability.
Unlock the Drop Wall ability.
Bring some rescued UNSC Marines along for the ride into a main mission.
Splatter an enemy with a Ghost.
Use the Grappleshot to board an enemy Ghost.
Check out the best possible view.
Fully upgrade your Energy Shields.
Take out a Banished Propaganda Tower.
Unlock the Threat Sensor ability.
Eliminate a Banished High-Value Target.
Scan a Forerunner Artifact.
Complete a Banished outpost.
Answer a UNSC distress call.
Capture your first Forward Operating Base.
Access your first Mjolnir Armor Locker.
Locate and secure a Spartan Core.
Access your first UNSC Audio Log.
Successfully use the Grappleshot 50 times.
Access your first Banished Audio Log.
Access your first Spartan Audio Log.
Repel an enemy grenade with the Repulsor in a matchmade game.
Place an item in the Razorback's storage in a matchmade game.
Secure 5 zones in a matchmade Strongholds game.
"Grapplejack" an enemy flying vehicle in a matchmade game.
Pick up a weapon using the Grappleshot in a matchmade game.
Drop a Power Weapon for an ally in a matchmade game.
Kill an enemy with the Ravager's charged shot in a matchmade game.
Complete a Limited Time Challenge.
Mark 3+ enemies at once in a matchmade game.
Deposit 5 Power Seeds in a matchmade Stockpile game.
Drive 4 unique vehicles in a matchmade game.
Kill three enemies with the ball in a matchmade Oddball game.
Earn "Mount Up" in a Razorback in a matchmade game.
Mark an enemy located at "Top Mid" in a matchmade game.
Kill an enemy with melee using a bladed weapon in a matchmade game.
Gain access to a loot cave in a matchmade game.
Finished Ranked Placement Matches.
"Back Smack" an enemy who is zoomed in with a scoped weapon in a matchmade game.
Capture the flag twice in a matchmade Capture the Flag game.
Play a custom game.
Play a Ranked Match.
Grab a power weapon from the Tutorial armory.
Earn 3 stars in 5 Tier 3 Weapon Drills.
Change any training mode option.
Launch into Training Mode for the first time.
Try out a new weapon customization item.
View a clip in theater.
Earn a Mythic Medal in a matchmade game.
Earn 2,000 score in a matchmade game.
Assist in capturing all zones that lead to a score in a matchmade Total Control game.
Earn "Perfect" with a VK78 Commando in a matchmade game.
Complete one level in a Battle Pass.
Test drive a new vehicle customization.
Complete the Tutorial.
Access your Personal AI.
Earn 3 stars in a Weapon Drill.
Complete a Weapon Drill.
Get and equip a new AI.
Destroy an enemy vehicle with the Skewer in a matchmade game.
Change your Spartan's look in the Customize menu.
Change your Spartan Tag.
Complete a Weekly Challenge.
Wear a new armor customization item.
Spectate an ally that is driving a Warthog or Razorback in a matchmade game.
Earn "Splatter" with a Brute Chopper in a matchmade game.
Complete a Daily Challenge.
Get at least one kill with every available weapon and grenade on the Banished ship.
In co-op, lower all three gates within 15 seconds of each other at Riven Gate.
In co-op, answer all UNSC distress calls on any difficulty.
In co-op, complete all seven Banished outposts on any difficulty.
In co-op, capture all Forward Operating Bases on any difficulty.
Complete all main missions on Legendary with all Skulls active.
Unlock all Spartan Audio Logs.
Complete all 14 main missions in under eight hours.
Kill a Grunt that's been thrown by a Brute.
In co-op, destroy four Fuel Silos within five seconds at either Ransom Keep or the Forge of Teash.
Earn "Chain Reaction" with a Shock Rifle in a matchmade game.
In co-op, destroy all cooling towers at the Dig Site within 60 seconds of each other.
In co-op, kill a Hunter and its bond brother within three seconds of each other.
Kill 5 enemies with a Gravity Hammer from a vehicle. All players aboard vehicle share progress.
Unlock all UNSC Audio Logs.
In co-op, kill 50 enemies while riding a Mongoose with another player.
In co-op, splatter 50 enemies while riding in a vehicle with another player.
In co-op, kill 100 enemies while all players are riding air vehicles.
In co-op, eliminate all Banished High-Value Targets on any difficulty.