All Challenges

Kirrahe Airlines

Challenge Type Difficulty Map Enemy Characters and weapons
Flight 3 Agents of Kirrahe Airlines
Trio Gold, Platinum Ghost (Hazard)
Cerberus

Servant of the People

Challenge Type Difficulty Map Enemy Characters and weapons
Solo 4 The Venom AI
Solo Gold, Platinum Glacier
Cerberus
Duo 2 Kill It With Fire
Duo Gold, Platinum Reactor
Cerberus
Trio 1 The Fist of Lord Venom
Trio Gold, Platinum Dagger
Cerberus
Trio 3 We Don't Feel Like Dancing
Trio Gold, Platinum Giant (Hazard)
Reapers
Team 1 Master and Commander
Team Gold, Platinum White
Geth
Team 2 Assuming Direct Control
Team Gold, Platinum Ghost (Hazard)
Collectors

The Gordian Hour

Challenge Type Difficulty Map Enemy Characters and weapons
Stage III Burn the Darkness
Solo Platinum White (Hazard)
Reapers

Themed Duo Challenges 2

Challenge Type Difficulty Map Enemy Characters and weapons
Set 2, II Code Red, Labs
Duo Silver, Gold, Platinum Reactor
Collectors

Tales from the Trenches

Challenge Type Difficulty Map Enemy Characters and weapons
Week 12.1 Great Orbs of Fire
This challenge has other variants
Duo Gold Reactor
Cerberus

The Seven Tiers of Neufchatel

Challenge Type Difficulty Map Enemy Characters and weapons
Solo 3 Tier 3 (Solo)
Solo Gold, Platinum Goddess
Reapers
Duo 3 Tier 3 (Duo)
Duo Gold, Platinum Goddess
Reapers