Death from Above - Kill 50 enemies while hovering
Bird of Prey - Kill 25 footsoldiers using your rocket pack guns
Captain of the Ship - Destroy 10 enemy aircraft while yours is on fire
The Devastator - Destroy 25 UFOs while piloting a Survivor fighter
Grand Theft...UFO? - Hijack 20 UFOs
99 Red Balloons - Kill 10 enemies while they are in an anti-gravity bubble
Bookworm - Find all journals
Blind Luck - Kill one of each enemy footsoldier using blind fire
Master of Arms - Kill an enemy with every rifle weapon
Mark of the Adept - Destroy 5 UFOs in the Prologue
Complete Dark Void
Ultimate Bad Ass - Complete Dark Void on Hardcore
Complete The Revolt
Cleanup on Aisle Three - Kill 100 enemies with headshots
Complete Tower of Return
Blue Light Special - Kill 3 enemies with one grenade
Complete The Collector
Complete Defending the Ark
Pack Rat - Acquire 30,000 Tech Points
Light Up the Sky - Destroy 25 targets with the Ark's AA guns
Complete Breaking Camp
The Squishy Center - Kill a Sarpa piloting an Archon
Complete Prison Escape
Complete The Survivors
Complete Prophesied One
Complete Into the Void
Rocket Clothesline - Melee an enemy immediately after landing
Forgot My Tow Cable - Fly through an Archon's legs
Float Like a Butterfly - Escape from 10 melee attacks
I'm a Rocketman, Baby - Perform 100 special maneuvers with the rocket pack
Get Your Feet Wet - Buzz the water
Terminal Velocity - Free fall for 10 seconds
Complete Village Attack
Cliffhanger Killer - Kill 50 enemies while in vertical cover
Complete Spare Parts
Rochambeau, I Go First - Kill 50 enemies with melee attacks
Those Aren't Fortune Cookies - Step on 10 slugs
Complete The Village
Tesla's Apprentice - Upgrade first weapon
Complete Crash Site
Killing Spree - Kill 10 enemies within 60 seconds
Dear Diary - Find a journal
Complete Prologue
Grease Monkey - Upgrade all weapons
Demolition Derby - Collide with another UFO 10 times
Big Bang - Destroy a Knight using a grenade
Fireworks - Kill 10 airborn enemies using grenades