Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Close Encounter	Destroy a Mothership.
Abandon Ship!	Save one or more crew members from certain death by issuing the abandon ship command.
Back from the black	Recover a Crew Member that was purged through the airlock before he dies.
Back from the brink	Repair the reactor after it has gone subcritical.
Battle Hardened	Have a member of your crew survive thirty missions.
Bittersweet success	Complete a mission and return to Athena with two or fewer crew members surviving.
Critical Reaction	Lose the ship due to a reactor going critical.
Do not go gentle into that good night	Complete Phase two of the Campaign.
Double Mastery	Fully Level up a crew member in two skills.
Engineering Expert	Repair on board systems 100 times.
Escape Artist	Slip away from enemy fighters by performing a hyperjump to a different area.
Escape velocity	Purge a crew member through the airlock.
Fire Fighter	Extinguish 50 Fires.
Fire Warden	Extinguish 25 fires.
First Handshake?	Kill ten Enemy Phasmid Boarders.
I feel safer already!	Defeat four enemy champions in a single playthrough of the game.
Kill 'em all	Defeat all eight enemy champions in a single playthrough of the game.
Mastery	Fully level up a crew member.
Nature abhors a vacuum	Extinguish 50 Fires by decompressing the ship.
Nerves of steel	Destroy 250 enemy phasmid ships.
Payback Time	Defeat 1 enemy champion in a single playthrough of the game.
Resistance is.. not futile?	Kill 50 Enemy Phasmid Boarders.
Saviour of Humanity	Complete the campaign.
Scavenger	Recover adandoned cargo, found adrift in space.
Spaghettification	Be torn apart by a Black Hole.
That must hurt	Destroy 25 enemy phasmid ships.
We're gonna fight	Destroy fifty enemy phasmid ships.
We're gonna win!	Destroy hundred enemy phasmid ships.
What's a circle in three dimensions?	Complete Phase one of the Campaign.