You killed 25 Freaks with thrown objects.
You activated every Absorption Unit in Pacific City.
Recover the shuttle.
Craft a Large Med Pack.
Craft a Weapon with 2 Tools, Tips, and Attachments with all Circuit slots filled.
Use quick heal to heal yourself 20 times.
Retrieve Resources from a Scavenger Bot at a Bench.
In the Main Campaign, killed 25 enemies with the Broadsider Pistol.
In the Main Campaign, completed Lighthouse.
Perform as a Guitarist (Band or Solo)
Completed a song (Solo)
Add a Circuit to a Weapon.
Craft a Weapon.
Survive your first spacewalk.
Complete the Prologue.
Ranked up your Spartan-IV to SR-20.
Won 20 War Games matchmaking matches.
In matchmaking, effectively camped one location without dying for a full 60 seconds.
Changed your Spartan's pose in the Spartan ID card.
Won 5 War Games matchmaking matches.
Changed your Spartan's armor in the Spartan Armor card.
Reach Sergeant (Level 10) in multiplayer Public Match.
You completed the GTA Online Introduction.
Caused 10,000 damage with unique Mojave Wasteland weapons.
Hacked 50 terminals
Completed "Walking With Spirits"
Completed "The Local Flavor"
Reached Level 20 with Neutral Karma
Completed "Those!"
Reached Level 14 with Bad Karma
Reached Level 8 with Bad Karma
Set 5 enemies on fire and then kill them with explosives.
Kill 150 enemies using Analog Fighting controls.
Loot 5 Exceptional Weapons.
Find 120 collectibles.
Kill 25 zombies with your bare fists.
Customize 25 weapons.
Reach level 25.
Complete act II.
Completed a Challenge.
Completed any Campaign mission cooperatively on Heroic or harder.
Find your first campaign skull.
Completed a Spartan Ops Mission on any difficulty.
Completed the Campaign on Normal or harder.
Completed mission 8 on any difficulty.
Completed mission 7 on any difficulty.
Completed mission 6 on any difficulty.
Completed mission 5 on any difficulty.
Completed mission 4 on any difficulty.
Completed mission 3 on any difficulty.