Defeated 30 armored guard's.(Black\Silver\Guardian)
Use specialist weapons for the first time.
Alex's first use of skills.
First use of equiproom.
Die 5 times.
Destroyed a UFO fighter.
Destroyed a Mechanical Destroyer.
Defeated 30 Mutant.
Defeated 20 Battlefield or Mechanical mosquito.
Die 10 times.
Li Ying used skills 3 times.
Salman's Shield takes 2500 damage.
Blasting 10 barrels.
Complete the Campaign on any difficulty.
Accumulated player deaths 25 times.
Defensive warfare adhere to 5 waves of enemy attacks.
Destroy 4 machine soldiers at once with a grenade detonation.
Defeat the final BOSS-BERSERKER
Total number of Cores reached 75.
Defeated 3 Shadowblade.
Defeated 10 Death Claw or Observer.
Unlock 4 specialist weapons.
Accumulatively destroyed 6 UFO fighter.
Completely upgrade one weapon.
Destroy 100 wreckage of the machine soldiers.
Destroy 50 machine soldiers with melee attacks.
Drive mecha, trample to kill 30 enemies
200 kills in Defensive warfare.
Destroy 1 UFO fighter with a grenade detonation.
Hit 3 times by any large mecha.
Death by driving a mecha.