The Campaign Add-on for Halo Infinite has 69 achievements.
Fight your way through Outpost Tremonius and step out onto the surface of Zeta Halo.
Locate and secure a Spartan Core.
Defeat the Banished warlord Tremonius.
Explore the underbelly of Zeta Halo and retrieve a weapon to turn the tide of this conflict.
Lost, and found.
Follow the UNSC signal to a Banished stronghold called the Tower. Find the source. Get out alive.
Shut down the Banished mining laser and gain access to the Conservatory.
Defeat the Hunter pair stationed at the base of the Spire.
Shut down the first Spire and stop Zeta's Reformation before it's too late.
Destroy a Banished anti-aircraft gun.
Take down the Spartan Killers Hyperius and Tovarus.
Reach the Beacons, assemble the Sequence, and gain access to the Command Spire.
Enter the Nexus and learn the secrets of the Spires. Trust is a fragile thing, isn't it?
Infiltrate the Command Spire and put an end to the Reformation.
A friend is in danger and time is running out. It's time to face your past and save your future.
Storm the House of Reckoning.
At the end he was just a soldier. Hoping he'd done the right thing.
Defeat the Harbinger. Confront the truth.
Complete the main campaign.
Complete the main campaign on Normal difficulty.
Complete all main campaign missions on Heroic difficulty.
Complete all main missions on Legendary with all Skulls active.
Unlock the Thruster ability.
Unlock the Drop Wall ability.
Unlock the Threat Sensor ability.
Fully upgrade the Thruster ability.
Fully upgrade the Drop Wall ability.
Fully upgrade the Threat Sensor ability.
Complete a Banished outpost.
Complete all seven Banished outposts.
Capture your first Forward Operating Base.
Capture all available Forward Operating Bases.
Complete all Valor-awarding activities.
Answer a UNSC distress call.
Answer all UNSC distress calls.
Eliminate a Banished High-Value Target.
Eliminate all 15 Banished High-Value Targets.
Access your first UNSC Audio Log.
Unlock all UNSC Audio Logs.
Access your first Banished Audio Log.
Unlock all Banished Audio Logs.
Access your first Spartan Audio Log.
Unlock all Spartan Audio Logs.
Acquire all Spartan Cores.
Fully upgrade your Energy Shields.
Fully upgrade the Grappleshot.
Access your first Mjolnir Armor Locker.
Access all 34 Mjolnir Armor Lockers.
Scan a Forerunner Artifact.
Scan all seven Forerunner Artifacts.
Discover your first hidden Skull.
Discover all hidden Skulls.
Take out a Banished Propaganda Tower.
Destroy 40 Banished Propaganda Towers.
Take down all three Banished AA guns.
Complete all 14 main missions in under eight hours.
Kill a Grunt that's been thrown by a Brute.
Check out the best possible view.
Successfully use the Grappleshot 50 times.
Deploy the Drop Wall 50 times.
Use the Threat Sensor 50 times.
Use the Thruster 50 times.
Use the Grappleshot to board an enemy Ghost.
Throw 50 fusion coils.
Get the Scorpion all the way to the "House" without it blowing up.
Splatter an enemy with a Ghost.
Bring some rescued UNSC Marines along for the ride into a main mission.
Stick 50 enemies with grenades.
Complete all main campaign missions on Legendary difficulty.