50Achievements
Operation Completion
Halo 4: Complete a Spartan Ops mission.
(7.4%)
Departure
Halo 4: Complete all chapters in Spartan Ops Episode 1.
(1.6%)
Artifact
Halo 4: Complete all chapters in Spartan Ops Episode 2.
(1.1%)
Catherine
Halo 4: Complete all chapters in Spartan Ops Episode 3.
(0.9%)
Didact's Hand
Halo 4: Complete all chapters in Spartan Ops Episode 4.
(0.7%)
Memento Mori
Halo 4: Complete all chapters in Spartan Ops Episode 5.
(0.6%)
Scattered
Halo 4: Complete all chapters in Spartan Ops Episode 6.
(0.6%)
Invasion
Halo 4: Complete all chapters in Spartan Ops Episode 7.
(0.6%)
Expendable
Halo 4: Complete all chapters in Spartan Ops Episode 8.
(0.5%)
Key
Halo 4: Complete all chapters in Spartan Ops Episode 9.
(0.5%)
Exodus
Halo 4: Complete all chapters in Spartan Ops Episode 10.
(0.5%)
Feet First
Halo 4: Complete all Spartan Ops chapters.
(0.3%)
Term of Enlistment
Halo 4: Complete all Spartan Ops chapters on Normal difficulty.
(0.3%)
Hazard Pay
Halo 4: Complete all Spartan Ops chapters on Heroic difficulty.
(0.2%)
Icarus
Halo 4: Complete all Spartan Ops chapters on Legendary difficulty.
(0.2%)
Smooth Operator
Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.
(0.1%)
Roses vs Violets
Halo 4: Why are you even here?
(0.3%)
No One Left Behind
Halo 4: Save at least one Marine on Hacksaw (Ep.2 Ch.3) of Spartan Ops on Heroic or Legendary.
(0.1%)
Knight in White Assassination
Halo 4: Assassinate a Knight in any Spartan Ops mission.
(1.1%)
What Power Outage?
Halo 4: Complete The Cauldron Base of Spartan Ops without losing a generator on Heroic or Legendary.
(0.2%)
No Easy Way Out
Halo 4: Survive Spartan Miller (Ep.5 Ch.1) of Spartan Ops on Heroic or Legendary.
(0.1%)
Nice Work Dawg!
Earn a total of 2,500 Assist medals in multiplayer.
(0.4%)
Aim for the Head
Earn a total of 2,500 Headshot medals in multiplayer.
(1.0%)
Dim Mak
Earn a total of 250 Beat Down medals in multiplayer.
(0.6%)
Domination
Earn a total of 100 Legendary medals in matchmade games.
(0.3%)
Double Trouble
Earn a total of 250 Double Kill medals in matchmade games.
(1.9%)
Spree Master
Earn a total of 100 Killing Spree medals in matchmade games.
(1.4%)
Catch This
Earn a total of 500 Grenade Kill or Plasma Kill medals in matchmade games.
(0.2%)
Party Pooper
Earn a total of 250 Killjoy medals in matchmade games.
(0.5%)
Planting A Flag
Earn a total of 250 CTF Mode Specific medals in matchmade games.
(0.3%)
The True King
Earn a total of 250 KOTH Mode Specific medals in matchmade games.
(0.2%)
Roadkill Rampage
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.
(0.0%)
Rock and Coil Hit Back
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.
(0.0%)
No Pain, No Gain
Complete 1 mission with the LASO playlist skulls enabled.
(0.3%)
Airborne
Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.
(0.1%)
Assembly Skull
Halo 3: Find the hidden Skull on the Assembly multiplayer map.
(0.4%)
Orbital Skull
Halo 3: Find the hidden Skull on the Orbital multiplayer map.
(0.4%)
Sandbox Skull
Halo 3: Find the hidden Skull on the Sandbox multiplayer map.
(0.5%)
Citadel Skull
Halo 3: Find the hidden Skull on the Citadel multiplayer map.
(0.4%)
Heretic Skull
Halo 3: Find the hidden Skull on the Heretic multiplayer map.
(0.4%)
Longshore Skull
Halo 3: Find the hidden Skull on the Longshore multilayer map.
(0.4%)
Brainpan
Halo 3: Find all the hidden multiplayer Skulls.
(0.4%)
Sightseeing
Halo CE: Complete a match on at least 8 different classic multiplayer maps.
(2.1%)
Checking Out Your Options
Halo CE: Complete a match on at least 4 unique game types.
(0.9%)
Tourist
Halo 2: Complete a match on at least 8 different classic multiplayer maps.
(2.8%)
Window Shopping
Halo 2: Complete a match on at least 4 different game types in classic multiplayer.
(1.6%)
World Traveler
Halo 3: Complete a match on at least 8 different multiplayer maps.
(7.5%)
Just Browsing
Halo 3: Complete a match on at least 4 different game types in multiplayer.
(4.9%)
Going International
Halo 4: Complete a match on at least 8 different multiplayer maps.
(5.6%)
Taste Test
Halo 4: Complete a match on at least 4 different game types in multiplayer.
(4.2%)