14.01%
A Torch Passed
Beat the Lost Towers mission
14.41%
A Rival Silenced
Permanently defeat one of the Chosen
15.31%
Viper Vanquisher
Kill the Viper Ruler
15.97%
Make ‘em go Boom
Kill an enemy primed Derelict MEC before it can self-destruct
18.82%
Excalibur
Completely upgrade a beam weapon with superior grade weapon upgrades
19.06%
Axles to Axles, Bolts to Bolts
Defeat a robotic enemy with a SPARK unit
19.88%
Shen's Legacy
Build a facility in every Avenger slot
21.20%
No One Left Behind
Rescue a soldier who was captured by the Chosen
22.34%
Stop Hitting Yourself
Kill an enemy with a hacked turret
23.74%
David and Goliath
Kill a Berserker in melee combat
24.37%
A New Alliance
Complete the Lost and Abandoned mission
26.33%
Earth Avenged
Overthrow the aliens at any difficulty level