Completed all main campaign missions on Heroic difficulty.
Completed all main campaign missions on Legendary difficulty.
Completed the main campaign on Normal difficulty.
Completed the main campaign.
Deployed the Drop Wall 50 times.
Used the Thruster 50 times.
Used the Threat Sensor 50 times.
Accessed all 34 Mjolnir Armor Lockers.
Fully upgraded the Threat Sensor ability.
Eliminated all 15 Banished High-Value Targets.
In co-op, eliminated all Banished High-Value Targets on any difficulty.
In co-op, answered all UNSC distress calls on any difficulty.
Answered all UNSC distress calls.
In co-op, completed all seven Banished outposts on any difficulty.
Completed all seven Banished outposts.
Used the Grappleshot to board an enemy Ghost.
Fully upgraded the Thruster ability.
Captured all available Forward Operating Bases.
In co-op, captured all Forward Operating Bases on any difficulty.
Took down all three Banished AA guns in under 20 minutes.
Unlocked the Thruster ability.
Picked up a weapon using the Grappleshot in a matchmade game.
Unlocked the Drop Wall ability.
Fully upgraded the Grappleshot.
Checked out the best possible view.
Fully upgraded your Energy Shields.
Scanned a Forerunner Artifact.
Brought some rescued UNSC Marines along for the ride into a main mission.
Eliminated a Banished High-Value Target.
Played a Ranked Match.
Completed a Weapon Drill.
Took out a Banished Propaganda Tower.
Completed a Banished outpost.
Splattered an enemy with a Ghost.
Unlocked the Threat Sensor ability.
Answered a UNSC distress call.
Captured your first Forward Operating Base.
Accessed your first Mjolnir Armor Locker.
Located and secured a Spartan Core.
Accessed your first UNSC Audio Log.
Successfully used the Grappleshot 50 times.
Accessed your first Banished Audio Log.
Discovered your first hidden Skull.
Accessed your first Spartan Audio Log.
"Back Smacked" an enemy who was zoomed in with a scoped weapon in a matchmade game.
Gained access to a loot cave in a matchmade game.
Killed an enemy with melee using a bladed weapon in a matchmade game.
Completed a Limited Time Challenge.
Assisted in capturing all zones that lead to a score in a Total Control game.
Test drove a new vehicle customization.
Changed your Spartan Tag.
Completed one level in a Battle Pass.
Earned 2,000 score in a matchmade game.
Tried out a new weapon customization item.
Completed a Weekly Challenge.
Completed a Daily Challenge.
Played a custom game.
Got and equip a new AI.
Changed your Spartan's look in the Customize menu.
Wore a new armor customization item.
Placed an item in the Razorback's storage in a matchmade game.
Stuck 50 enemies with grenades.
Repelled an enemy grenade with the Repulsor in a matchmade game.
Dropped a Power Weapon for an ally in a matchmade game.
Completed a Battle Pass.
Got the Scorpion all the way to the "House" without it blowing up.
Destroyed an enemy vehicle with the Skewer in a matchmade game.
"Grapplejacked" an enemy flying vehicle in a matchmade game.
Accessed your Personal AI.
Earned "Chain Reaction" with a Shock Rifle in a matchmade game.
Earned "Mount Up" in a Razorback in a matchmade game.
Earned "Perfect" with a VK78 Commando in a matchmade game.
Earned "Splatter" with a Brute Chopper in a matchmade game.
Earned a Mythic Medal in a matchmade game.
Grabbed a power weapon from the Tutorial armory.
Completed the Tutorial.
Drove 4 unique vehicles in a game
Earned 3 stars in 5 Tier 3 Weapon Drills
Earned 3 stars in a Weapon Drill.
Killed an enemy with the Ravager's charged shot in a matchmade game.
Changed any training mode option.
Launched into Training Mode for the first time.
Viewed a clip in theater.
Finished Ranked Placement Matches.
Threw 50 fusion coils.
Completed all main missions on Legendary with all Skulls active.
Spectated an ally that is driving a Warthog or Razorback in a matchmade game.
In co-op, killed 100 enemies while all players are riding air vehicles.
Unlocked all UNSC Audio Logs.
In the Nexus, killed the Hunter pair with melee final blows.
Killed 40 enemies with the Stalker Rifle at the Command Spire.
Killed one Chieftain and used his turret to kill another in the Repository.
Defeated War Chief Escharum without ever fully losing your shields.
Breached the Auditorium in under three minutes.
Completed all Valor-awarding activities.
In co-op, splattered 50 enemies while riding in a vehicle with another player.
Completed the Conservatory in less than 15 minutes.
In co-op, killed 50 enemies while riding a Mongoose with another player.
Killed 5 enemies with a Sniper Rifle from a vehicle. All players aboard vehicle share progress.
Killed 5 enemies with a Gravity Hammer from a vehicle. All players aboard vehicle share progress.
In co-op, killed a Hunter and its bond brother within three seconds of each other.
Fully upgraded the Drop Wall ability.
In co-op, destroyed all cooling towers at the Dig Site within 60 seconds of each other.
In co-op, destroyed four Fuel Silos within five seconds at either Ransom Keep or the Forge of Teash.
Eliminated all enemies at the South Beacon with a Scorpion Tank.
Unlocked all Banished Audio Logs.
Marked an enemy located at "Top Mid" in a matchmade game.
Revived 3 allies in an Attrition/Elimination round in a matchmade or custom game.
In co-op, lowered all three gates within 15 seconds of each other at Riven Gate.
Killed three enemies with the ball in an Oddball game in a matchmade game.
Captured the flag twice in a Capture the Flag game in a matchmade game.
Killed a Grunt that's been thrown by a Brute.
Completed all 14 main missions in under eight hours.
Secured 5 zones in a Strongholds game in a matchmade game.
Destroyed 40 Banished Propaganda Towers.
Discovered all hidden Skulls.
Unlocked all Spartan Audio Logs.
Scanned all seven Forerunner Artifacts.
Deposited 5 Power Seeds in a Stockpile game in a matchmade game.
Got at least one kill with every available weapon and grenade on the Banished ship.
Defeated Tremonius with the Skewer.
Destroyed both Phantoms before they left Outpost Tremonius.
Killed the Tower commander with a Plasma grenade.
Acquired all Spartan Cores.
Killed an enemy with the Banished mining laser.
Marked 3+ enemies at once in a matchmade game.
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