Earned "Chain Reaction" with a Shock Rifle in a matchmade game.

Earned a Mythic Medal in a matchmade game.

Spectated an ally that is driving a Warthog or Razorback in a matchmade game.

Earned "Perfect" with a VK78 Commando in a matchmade game.

Accessed your first Mjolnir Armor Locker.

Fought your way through Outpost Tremonius and stepped out onto the surface of Zeta Halo.

Located and secured a Spartan Core.

Defeated the Banished warlord Tremonius

Accessed your first UNSC Audio Log.

Explored the underbelly of Zeta Halo and retrieved a weapon to turn the tide of this conflict.

Gained access to a loot cave in a matchmade game.

Lost, and found.

Accessed your first Banished Audio Log.

Accessed your first Spartan Audio Log.

Played a Ranked Match.

Played a custom game.

Viewed a clip in theater.

Grabbed a power weapon from the Tutorial armory.

Earned 3 stars in a Weapon Drill.

Completed a Weapon Drill.

Changed any training mode option.

Launched into Training Mode for the first time.

Destroyed an enemy vehicle with the Skewer in a matchmade game.

"Back Smacked" an enemy who was zoomed in with a scoped weapon in a matchmade game.

Picked up a weapon using the Grappleshot in a matchmade game.

Assisted in capturing all zones that lead to a score in a Total Control game.

Captured the flag twice in a Capture the Flag game in a matchmade game.

Killed an enemy with melee using a bladed weapon in a matchmade game.

Completed the Tutorial.

Accessed your Personal AI.

Earned 2,000 score in a matchmade game.

Completed one level in a Battle Pass.

Completed a Weekly Challenge.

Completed a Limited Time Challenge.

Completed a Daily Challenge.

Changed your Spartan Tag.

Wore a new armor customization item.

Tried out a new weapon customization item.

Test drove a new vehicle customization.

Got and equip a new AI.

Changed your Spartan's look in the Customize menu.