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Valley Green clear Complete all Green Valley maps (Any medal)

Slippery Slope Complete the "Black Ice" Special Ops mission on any difficulty.

HMS Interceptor Complete the race in Cursed Bay with at least 4000 points left on the clock

Sierra Souvenir Aficionado Collected 500 Sierra Madre Chips.

Stairway to Heaven From the front door of the church, make it to the crow’s nest in 240 seconds in Chapter 5: Heartland

Come fly with me Take a Meep creature for a flight for at least 10 seconds.

Command and Conquest Capture 100 objectives in Conquest

Velocity Rising Star Unlock additional events in 'Velocity'.

The Veteran Severed: Complete on Zealot difficulty

1200 Get 6 sidearm headshot kills in a Multiplayer match

Return of the King Enter Prestige 1

Apex Contender Unlock the 'Apex' Trophy event.

Bouncing From Here to There Complete the puzzle with rebound in the Epilogue.

Defending the Ark Complete Defending the Ark

My First Win Win Blackout

Redline Champion Win the 'Redline' Trophy event on gold star difficulty.

The Collector Complete The Collector

Power and Movement Score with a Curling Lace Shot

Restore Our Fortunes Resupplied Daniel and the Sorrows.

Spinal-Tapped! Recovered X-8 vertebrae-pulse-de-sensitizer frequency!

Asking for Trouble Taunt GLaDOS in front of a camera in each of the five co-op courses

Light Up the Sky Light Up the Sky - Destroy 25 targets with the Ark's AA guns

Having a Ball Completed the Sierra Madre Gala Event.

Spotted Climb the highest point in Naval Strike

The Best Offence is Good Defence Defeat any enemy of the Epilogue by only starting a combo with a Deflect and Counter-Attack.

The Revolt Complete The Revolt

Seconds, Please Win the ball back with a Second Chance Tackle

Cardiac Arrest! Recovered X-13 cardiac regulator sneaky suit!

Tower of Return Complete Tower of Return

Five by Five Get 5 multi-kills as Assault in Multiplayer

Special Issue Equipment Earn 10 medals that are based on Special Issue Equipment

A True Master Earn 5 Gears in all Challenges of the Sky Fortress Expansion.

In a Foreign Land Scouted the Zion Valley for signs of the White Legs.

iiiiiiiinnnnn one! Make the Torro creature fall down the hole in the cave.

Dark Void Complete Dark Void

Team BlackRock Beat a member of the development team or someone who has beaten them.

Clear skies Win your first Season Air Revenge event.

Wrecking Crew Destroy 50 Vehicles

Here's My Shoutout Customize your player comment.

On Top of The World Climb to the highest spot in the game

The Big Bang The Big Bang - Destroy a Knight using a grenade

Red Carpet Get featured in the Best Play 3 times in Multiplayer

Pushing Ahead Gain access to the Compound area in Nightfall in Regular or Hardcore difficulty.

Soft Targets Destroy all vehicles using the UAV in Chapter 7: Golden Gate

Leaving the Storm Complete the Epilogue.

Safer Skies Destroy all the SAM trucks in the level in Chapter 6: Overwatch

Make up your Mind Made up your mind... about your brain.

Outsmarted Completed Old World Blues.

Rough Seas Perform a roadkill in a Sea Vehicle

The Power in These Waters Kill 15 enemies with the L-Class Destroyer