Let Them Come: Onslaught

Clear the Alien Nest without taking damage from environment hazards once

Kill 200,000 total enemies

Defeat the first boss and survive the level

Defeat a boss with the Sniper in Prototype mode equipped

Defeat the 2nd boss and survive the level

Clear the Space Station without taking damage from environment hazards once

Defeat the 4th boss and survive the level

Clear the first level

Defeat the 3rd boss and survive the level

Clear a run with the Soldier with maxed out Dash ability

Buy the max level of all the upgrades in the armory

Unlock a new weapon for the first time

Clear the Magma crater without taking damage from environment hazards once

Clear the Crash Site without taking damage from environment hazards once

Complete 50 Missions

Complete 100 Missions

Clear the final level

Buy all the upgrades in the armory at least once

Collect 25,000 credits total

Get a Prototype Weapon for the first time

Open 50 Supply Drop crates

Open 100 Supply Drop crates

Unlock the Psychic

Survive the Crash Site with no armory upgrades

Clear a run with the Psychic with maxed out Mind Blast ability