Earn 500,000 score as a Player

Upgrade Health, Armor, or Ammo

You've found your first Shell.

Re-upped!

Complete Hell on Earth

Perform 33 Unique Glory Kills in a single save slot

Cause an enemy to kill another enemy

Discover a secret area

Defeat 500 enemies as a hero on any Multiplayer map.

Play as all launch heroes in Multiplayer.

Play one Online match.

Win 100 multiplayer games.

Halo 3: He's watching you.

Complete 200 missions or multiplayer games.

Earn a total of 250 Double Kill medals in matchmade games.

Earn a total of 100 Killing Spree medals in matchmade games.

Complete 150 missions or multiplayer games.

Win 50 multiplayer games.

Halo 3: Play a game of Halo 3 on the 25th of any month.

Complete 100 missions or multiplayer games.

Halo 4: Complete a match on at least 8 different multiplayer maps.

Got an elimination with the Scorcher

Reach level 20.

Modified a starfighter's preset loadout in multiplayer.

Acquired your first starfighter component.

Halo 3: Complete a match on at least 8 different multiplayer maps.

Halo 4: Play a game of Halo 4 on the 6th of any month.

In Multiplayer, kill 10 enemies with secondary weapons in a round

Earn the right to take on five-star assignments.

Earned your first Award.

Play a round of Conquest on each of the launch maps

Reach personal level 10 in XP

Capture your first monster.

Earn the right to take on four-star assignments.

Complete a quest via multiplayer.

Earn the right to take on three-star assignments.

Earn 150,000 score as a Player

Made a new Ally in Gears Allies

In Multiplayer, roadkill 5 enemies

In Multiplayer, perform 10 squad revives

Completed the Prologue.

Earned your first 'S' Rank from an encounter.

Perform 10 boosts in a race.

Kill 20 players with bare hands.

Down an enemy without taking return damage

Complete the Tutorial

Go 10 seconds of the match without being hit by your opponent

Completed Mission 8.

Completed Mission 7.

Found and claimed a Skull.