All Challenges

Fight for the Lost

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Week 1.1	Banzai Biotics	Solo	Gold, Platinum	Hydra	Reapers	Human Adept \| M-300 Claymore
Week 2.3	Pankration	Trio	Gold, Platinum	Ghost	Reapers	Krogan Soldier \| Graal Spike Thrower Talon Mercenary \| Graal Spike Thrower Human Adept \| Graal Spike Thrower
Week 3.3	Thymos	Trio	Gold, Platinum	Hydra	Collectors	Asari Justicar \| M-9 Tempest Human Vanguard \| M-3 Predator Human Adept \| M-3 Predator
Week 4.2	Corporate Espionage	Duo	Gold, Platinum	White (Hazard)	Reapers	Human Adept \| M-25 Hornet Salarian Engineer \| M-25 Hornet
Week 5.3	Erinys	Trio	Gold, Platinum	Dagger	Cerberus	Human Soldier \| M-98 Widow Human Adept \| M-22 Eviscerator Turian Soldier \| M-15 Vindicator
Week 7.1	Walking on Sunshine This challenge has other variants	Solo	Gold	Giant	Geth	Human Adept \| M-15 Vindicator
Week 10.2	Vae Victis!	Duo	Gold, Platinum	Jade	Reapers	Human Soldier \| M-300 Claymore Human Adept \| M-11 Wraith
Week 10.3	Agema	Trio	Gold, Platinum	White	Collectors	Krogan Soldier \| M-300 Claymore Geth Infiltrator \| M-98 Widow Human Adept \| M-300 Claymore
Week 12.2	Vode An!	Duo	Gold, Platinum	Glacier (Hazard)	Collectors	Krogan Soldier \| M-300 Claymore Human Adept \| M-358 Talon

Weekly Themed Solos 2

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Week 7	Brimstone's Biotic God	Solo	Silver, Gold, Platinum	Dagger	Cerberus	Human Adept \| Venom Shotgun \| M-77 Paladin

Operation Alliance Troopers

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Mission 3	Force Multiplier	Solo	Silver, Gold, Platinum	Goddess	Reapers	Human Adept \| M-5 Phalanx \| M-27 Scimitar
Mission 10	Fists of Fury	Solo	Silver, Gold, Platinum	Jade	Cerberus	Human Adept \| M-11 Wraith \| M-37 Falcon

Weekly Themed Solos 1

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Week 17	I Will Destroy You! (Casual-Hardcore-Epic)	Solo	Silver, Gold, Platinum	London	Reapers	Human Adept \| M-5 Phalanx \| M-27 Scimitar
Week 17	I Will Destroy You! (Veteran-Insanity-Legendary)	Solo	Silver, Gold, Platinum	Reactor	Cerberus	Human Adept \| M-5 Phalanx \| M-27 Scimitar

N7 Triune Trials

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
N6.5	I Will Destroy You! (Trio)	Trio	Gold, Platinum	London	Reapers	Human Adept \| M-5 Phalanx

The Compact

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Trio 2	Normandy's Finest	Trio	Platinum	Reactor	Collectors	Quarian Female Engineer \| Collector Sniper Rifle Human Adept \| Collector SMG Drell Adept \| Collector Rifle
Duo 1	Tu-Fira (The Compact)	Duo	Gold, Platinum	London	Geth	Drell Adept \| Arc Pistol Human Adept \| M-77 Paladin

Themed Duo Challenges 2

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Set 1, I	Port Hanshan	Duo	Silver, Gold, Platinum	White (Hazard)	Geth	Human Infiltrator \| Black Widow Human Adept \| M-11 Wraith

Project Blackwatch

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Trio Mission 2	Silenced Banshees	Trio	Gold, Platinum	Goddess	Reapers	Asari Adept \| Acolyte Human Adept \| M-358 Talon Turian Sentinel \| M-77 Paladin

Tales from the Trenches

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Week 14.2	This Is It, Isn't It?	Duo	Gold, Platinum	London	Reapers	Human Sentinel \| N7 Hurricane Human Adept \| N7 Hurricane

Themed Duo Challenges 1

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Set 7-8.I	Tu-Fira	Duo	Silver, Gold, Platinum	London	Geth	Drell Adept \| Arc Pistol Human Adept \| M-77 Paladin

For Tuchanka

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Team Challenge III	Virmire	Team	Gold, Platinum	Jade	Geth	Human Adept \| M-3 Predator Quarian Female Engineer \| M-23 Katana Turian Soldier \| M-8 Avenger Krogan Battlemaster \| M-23 Katana