All Challenges

For Tuchanka

Challenge Type Difficulty Map Enemy Characters and weapons
Duo Challenge II "Shepard" - "Wrex"
 Duo Gold, Platinum Hydra
 Geth

Fight for the Lost

Challenge Type Difficulty Map Enemy Characters and weapons
Week 3.2 Friendly Competition
 Duo Gold, Platinum Vancouver
 Cerberus
Week 5.2 Tactical Supremacy
 Duo Gold, Platinum Ghost (Hazard)
 Collectors
Week 6.1 The Agent
 Solo Gold, Platinum Goddess
 Cerberus
Week 6.2 Now you see me...
 Duo Gold, Platinum Glacier
 Cerberus
Bonus 1 Shoot from the Hip
 Solo Gold, Platinum Ghost (Hazard)
 Cerberus
Bonus 3 Aigis
 Trio Gold, Platinum Vancouver
 Reapers
Week 9.3 Anabasis
 Trio Gold, Platinum Ghost
 Collectors
Week 11.1 Right In Two
 Solo Gold, Platinum Ghost
 Collectors
Week 12.3 Nikator
 Trio Gold, Platinum Goddess
 Reapers

Operation Alliance Troopers

Challenge Type Difficulty Map Enemy Characters and weapons
Mission 6 Angel of Death
 Solo Silver, Gold, Platinum White (Hazard)
 Cerberus
Mission 7 Call Down the Thunder
 Solo Silver, Gold, Platinum Ghost (Hazard)
 Collectors

N7 Triune Trials

Challenge Type Difficulty Map Enemy Characters and weapons
N7.1 The Shepard Clone's War Part 3 - Spectre Status Recognized (Trio)
 Trio Gold, Platinum Glacier
 Cerberus
N7.2 End Scene (Trio)
 Trio Gold, Platinum London
 Reapers
N7.3 Ariake (Trio)
 Trio Gold, Platinum Condor
 Reapers
Bonus 6 The Heart of Hydra (Trio)
 Trio Gold, Platinum Hydra
 Geth

Operation Supernova

Challenge Type Difficulty Map Enemy Characters and weapons
Bonus AW_FC's first ME 3 MP game
 Solo Bronze Dagger
 Cerberus

Delta Squad

Challenge Type Difficulty Map Enemy Characters and weapons
Mission 1 Coruscant terrorist coup
 Team Gold, Platinum London
 Cerberus
Mission 2 Underground Separatist Droid Factory
 Team Gold, Platinum Hydra
 Geth
Mission 3 The Ras Prosecutor
This challenge has other variants 		Team Gold, Platinum Glacier
 Cerberus
Mission 4 Kashyyyk Operation
 Team Gold, Platinum Jade
 Collectors
Mission 5 Battle for Geonosis
 Team Gold, Platinum Dagger (Hazard)
 Collectors
Mission 6 Mygeeto
 Team Gold, Platinum White (Hazard)
 Geth

N7 Challenge Series

Challenge Type Difficulty Map Enemy Characters and weapons
N7.2 End Scene
 Solo Silver, Gold, Platinum London
 Geth

Themed Duo Challenges 2

Challenge Type Difficulty Map Enemy Characters and weapons
Set 1, I Port Hanshan
 Duo Silver, Gold, Platinum White (Hazard)
 Geth
Set 4, I OP Simulator
 Duo Silver, Gold, Platinum Rio
 Collectors
Set 10, III Grosalgen (Finale)
 Duo Silver, Gold, Platinum White (Hazard)
 Collectors

Project Blackwatch

Challenge Type Difficulty Map Enemy Characters and weapons
Duo Mission 3 Legacy
 Duo Silver, Gold, Platinum Rio
 Reapers

Elysium Olympics

Challenge Type Difficulty Map Enemy Characters and weapons
Trio Challenge Targeting Trio
 Trio Gold, Platinum Rio
 Cerberus

Weekly Themed Solos 1

Challenge Type Difficulty Map Enemy Characters and weapons
Bonus 10th Week Anniversary Special The Heart of Hydra
 Solo Silver, Gold, Platinum Hydra
 Geth

Tales from the Trenches

Challenge Type Difficulty Map Enemy Characters and weapons
Week 1.1 While They Reach the Normandy
This challenge has other variants 		Duo Gold Vancouver
 Reapers