All Challenges

	Challenge	Type	Difficulty	Map	Enemy	Characters and weapons
Mission 1	Backwater Station	Solo	Silver, Gold, Platinum	Dagger	Geth	Human Soldier \| M-7 Lancer
Mission 2	Hearts and Minds	Solo	Silver, Gold, Platinum	Ghost	Cerberus	Human Engineer \| M-37 Falcon \| M-25 Hornet
Mission 3	Force Multiplier	Solo	Silver, Gold, Platinum	Goddess	Reapers	Human Adept \| M-5 Phalanx \| M-27 Scimitar
Mission 4	A Bug's Life	Solo	Silver, Gold, Platinum	Glacier (Hazard)	Collectors	Human Sentinel \| N7 Hurricane
Mission 5	Boom Stick	Solo	Silver, Gold, Platinum	Giant (Hazard)	Reapers	Human Vanguard \| M-300 Claymore
Mission 6	Angel of Death	Solo	Silver, Gold, Platinum	White (Hazard)	Cerberus	Human Infiltrator \| M-8 Avenger \| M-11 Suppressor
Mission 7	Call Down the Thunder	Solo	Silver, Gold, Platinum	Ghost (Hazard)	Collectors	Human Infiltrator \| N7 Crusader
Mission 8	Malicious Scripts	Solo	Silver, Gold, Platinum	Reactor	Geth	Human Engineer \| M-99 Saber \| M-97 Viper
Mission 9	No Kassa for Alarm	Solo	Silver, Gold, Platinum	Hydra	Geth	Human Sentinel \| M-12 Locust
Mission 10	Fists of Fury	Solo	Silver, Gold, Platinum	Jade	Cerberus	Human Adept \| M-11 Wraith \| M-37 Falcon
Mission 11	Hybrid Synergy	Solo	Silver, Gold, Platinum	Condor	Collectors	Human Vanguard \| M-358 Talon
Mission 12	Reap the Whirlwind	Solo	Silver, Gold, Platinum	London	Reapers	Human Soldier \| N7 Typhoon