Aliens: Fireteam Elite/Challenge Cards

Challenge Cards modify the missions when used. There are three levels: uncommon is green, Rare is cyan, and the Exotc, which are the rarest are purple. Although some can increase the difficulty of the level, they can increase the score when the mission is a completed.

List of challenge cards

 * Superior Firepower
 * Tactical Cam
 * High Tempo Operation
 * They're coming out of the Damn...
 * Slow But Sure
 * Mindful Capacity
 * Bonus Situation
 * Eagle Eye
 * Hold the Line

Uncommon

 * They'll Breed, you die
 * ...Probably Won't Need That.
 * Lightning Round.
 * Quit Screwing Around.
 * Game Over, Man!
 * Unexpected Strength
 * Empty Holster
 * Empty Husks
 * Bug Stomper
 * Clean Evacuation
 * Ammo Hoarder
 * Glass Jaw
 * It'll Kick Some
 * Explosions!
 * Raw Recruit
 * Overcompensating
 * Overstimulated
 * Self Destruct Sequence
 * This Aid Kit is Empty!
 * Noir Cam

Rare

 * Battlefield Salvage
 * Retro Cam.
 * Robot Carnival.
 * Ain't Paying Us By The Hour.
 * Speak Loud, Carry A Small Stick.
 * Hidden Knowledge
 * No HUD
 * Beautiful Butterflies
 * Double Damage, Half Speed
 * Low Ammo
 * Main Weaponry Only
 * Make Every Shot Count
 * Miscalibrated
 * Delayed Recovery
 * Relentless Pursuers
 * Short Winded
 * Should've Used Duct Tape
 * They Just Don't Die

Exotic

 * Coordinated Assault
 * By the Lowest Bidder
 * Tools of The Trade
 * Adrenaline Junkie
 * Don't Get Hurt
 * The Bigger They Are...
 * I Made a Bad Call
 * Keep It Tight, People.
 * Flawless Victory
 * High Caliber
 * Get Away From Her...
 * Just Me and My Guns
 * Meds Evac'ed
 * Stuck Magazines
 * Switch to Backup