Christatrophe

Well advanced Upgrade the Rarity of 10 Common vehicles.

Get Back out There! Revive 10 allies

I'll teach ya how to shoot! Reach at least Wave 10 with the highest score in any Horde Mode map

Building Bridges Stop the Roekaar leader.

Buccaneer Recover the krogan colony ship.

Shattered Shatter 10 enemies frozen in carbonite.

Complete 5 Bike Challenges Awarded when you complete your 5th Freeburn Challenge on a bike.

Halfway There Acquired 50 Knack medals.

Good Time in Level 4 Complete the fourth level while in Time Trial mode

Unshackled Find a use for the relics.

Disposing of the Evidence Crush a car at the junkyard.

Bellum Defeated Bellum

Chak Attack Obtain a Bronze, Silver, or Gold medal in Score Attack for the Mother Protector Challenge Tomb

Guts and glory Reach at least Wave 10 with more gold medals than your companions

King of the Coliseum Achieved 5 stars in every Coliseum Attack.

Don't Go in There! Kill an Attacker caught inside Barbed Wire in Quick Match/Ranked Multiplayer.

Pattern for Conquest Attain ‘Notorious’ status in Ships Destroyed

All That Glitters Get your first Gold Medal in Mastery Challenge (Part 1)

Fire And Ice Firestorm must defeat Captain Cold with the final hit coming from a Meter Burn Molten Trap

So Many Presents Open 100 Mother Boxes

Bank the Gold Awarded for successfully delivering the Gold to your team base in an Online Cops and Robbers game.

Can you keep a Secret? Unlock a Secret Rarity vehicle.

No more rivals left Win all the Boss Races.

Offshore Count Obtain a Bronze, Silver, or Gold medal in Score Attack for the Zipacna's Craving Challenge Tomb

With Our Powers Combined Detonate 10 targets that were primed by a teammate. (Single-Player)

Fashion Week Apply weapon skins to 30 weapons.

Zombies, man, they creep me out! Reach at least Wave 10 in Horde Mode – Waves of Despair

Crypt-ologist Complete three Tombs of the Fallen

Good Time in Level 6 Complete the sixth level while in Time Trial mode

Serve With Honor Complete 1 Service Assignment

Practice makes Perfect Shoot all the targets in the training area in 'Ghost Team'.

Good Time in Level 7 Complete the seventh level while in Time Trial mode

Ground Mail Was a Better Option Flawlessly disable a Drone via Remote Hacking.

Pop, Pop Killed 4 enemies using Slow-Mo Shooting 10 Times

Bad Signs Do some target practice

Speed Demon Achieved 5 stars in every Time Attack.

Money Mania Destroy 10 Red Skulls on Ashwood Asylum

String Theory Enter Infinity as a Zombie.

Archivist Collect 10 Nostromo logs in the main campaign

Researcher: Rods Research all rods.

Pick up dropped Gold Awarded for successfully picking up the Gold once it has been dropped in an Online Cops and Robbers game.

Veteran Successfully complete a combined 25 strike team missions or APEX multiplayer mode extractions.

Good Time in Level 5 Complete the fifth level while in Time Trial mode

Death from Above Kill 100 enemies while hovering. (Single-Player)

Have a Good Time All the Time Complete all levels while in Time Trial mode

Dungeon Vaulter Use the shortcut in Cortex Castle.

Epic! Death Reaches Level 30

The trick is not minding that it hurts Spend a total of 20 minutes at the low health level

Cutting Heads off Snakes Finish all Campaign missions on Veteran or Realism difficulty.

Trapped by These Walls Catch 100 crabs in crab pots.