All Challenges

Servant of the People

Challenge Type Difficulty Map Enemy Characters and weapons
Solo 3 I Am Legion - Part 2
Solo Gold, Platinum London
Collectors
Duo 3 Deadly Precision
Duo Gold, Platinum Rio
Geth
Trio 1 The Fist of Lord Venom
Trio Gold, Platinum Dagger
Cerberus
Trio 2 A House Divided
Trio Gold, Platinum Glacier (Hazard)
Geth
Team 1 Master and Commander
Team Gold, Platinum White
Geth
Team 3 Normandy Engineer Squad
Team Gold, Platinum Jade
Reapers

Weekly Themed Solos 1

Challenge Type Difficulty Map Enemy Characters and weapons
Week 9 Does This Unit Have a Soul? (Veteran-Insanity-Legendary)
Solo Silver, Gold, Platinum Giant (Hazard)
Collectors

N7 Triune Trials

Challenge Type Difficulty Map Enemy Characters and weapons
Bonus 3 Does This Unit Have a Soul? Bonus (Trio)
Trio Gold, Platinum Giant (Hazard)
Collectors

Weekly Themed Solos 2

Challenge Type Difficulty Map Enemy Characters and weapons
Week 5 I Am Legion
Solo Silver, Gold, Platinum Ghost
Reapers

The Compact

Challenge Type Difficulty Map Enemy Characters and weapons
Trio 5 IFF (Identify Friend-Foe)
Trio Platinum White (Hazard)
Cerberus

Tales from the Trenches

Challenge Type Difficulty Map Enemy Characters and weapons
Week 12.2 Synthetize This!
This challenge has other variants
Duo Gold Giant (Hazard)
Geth