JLBird

Undiscovered Truths Find all the intel hidden in Nightfall.

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

Re-Armed Receive Zero's arm part in Mega Man X.

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

It's Over Defeat Wolf Sigma in Mega Man X.

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

You Can Pet The Dog Pet a Hellhound in MWZ

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Fighters Megamix Take out an opponent with each character's All-Star Move.

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Magical Sound Shower Race to every piece of music.

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

Action Master Get 10 kills using detached turrets in any mode.

Views From the Abyss STU: Complete "The Spider's Thread" mode.

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

High Wire Act Kill 10 enemies while using a zipline

Size Matters Not Complete the opening stage of Mega Man X2 with a full energy gauge.

Golden Acts Earn your GOLD SEGA License.

Annihilation Get 100 Elite Zombie Eliminations in Zombies

No Mo' Modi Get out of jail, but not for free

Identity Erased Blast through the mystery of the staff credits and return to the future.

How Long Will He Keep Fighting ? Complete Mega Man X (cannot be earned in Rookie Hunter mode).

Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

1-Upsmanship Complete Extra Life Mode with 5 Extra Lives in your Inventory (Ancient Gods 1)

That's One Way to Do It... Destroy an airborne enemy helicopter with a Mortar Strike

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

Perkaholic Have 9 perks active at the same time in MWZ

Controlled Chaos In Revelations, override all of the Corruption Engines before round 6.

Insanity III Complete all three games in Mass Effect Legendary Edition on Insanity without changing difficulty

The Chariot Use Zobio and Zobiko to send one hundred Curien Mansion Creatures back to the grave.

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Reinvent the Weapon Wheel Re-collect all of the weapons on the Weapon Wheel

Not One Inch In Gorod Krovi, complete a Lockdown Event.

Let it Snow Receive the Extreme Environment Suit (XE Suit)

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.