Aliens versus Humans Achievements
Unlock all 20 achievements
**"In Onslaught players can expect the kind of portable X-COM experience they’ve always wanted." --1...
Solo Run: Missions 1 - 10
Successfully complete a mission using a single soldier.
Halfsies: Missions 11 and above
Successfully complete a mission with half (or fewer) the number of allowed soldiers.
Solo Run: Missions 11 and above
Successfully complete a mission using a single soldier.
Ready, Aim, FIRE! Missions 1 - 10
Successfully complete a mission without using a grenade.
Ready, Aim, FIRE! Missions 11 and above
Successfully complete a mission without using a grenade.
No one left behind: Missions 11 and above
Successfully complete a mission without any of your soldiers dying. Injuries may be sustained.
Not a Scratch: Missions 1 - 10
Successfully complete a mission without sustaining any injuries.
Not a Scratch: Missions 11 and above
Successfully complete a mission without sustaining any injuries.
Warm up that arm: Missions 1 - 10
Successfully complete a mission only throwing any type of grenades and never taking a shot.
Warm up that arm: Missions 11 and above
Successfully complete a mission only throwing any type of grenades and never taking a shot.
Freeze! Missions 1 - 10
Successfully complete a mission only using proximity grenades.
Freeze! Missions 11 and above
Successfully complete a mission only using proximity grenades.
Take your time: Missions 1 - 10
Successfully complete a mission only using timed grenades.
Take your time: Missions 11 and above
Successfully complete a mission only using timed grenades.
Short Handed: Missions 1 - 10
Successfully complete a mission with fewer than the allowed number of soldiers.
Short Handed: Missions 11 and above
Successfully complete a mission with fewer than the allowed number of soldiers.
Halfsies: Missions 1 - 10
Successfully complete a mission with half (or fewer) the number of allowed soldiers.
First successful mission
Awarded when you successfully complete mission 1.
No one left behind:Missions 1-10
Successfully complete a mission without any of your soldiers dying. Injuries may be sustained.