NETCHENKO

Don't Tread on Me Complete the "Iron Clad" Special Ops mission on any difficulty.

I Only Need a Hand or Twenty Elika saves you fewer than 20 times in the whole Epilogue.

Stay Frosty Complete the "Arctic Recon" Special Ops mission on any difficulty.

Death from Above Death from above - Kill 50 enemies while in hover

Tank In single player Story mode, take 500 damage without dying.

Helipocalypse Destroy 6 helicopters in the "Kill Switch" Special Ops mission.

99 Red Balloons 99 Red Balloons - Kill 10 enemies while they are in anti-gravity bubble

Xenocide In single player Story mode, kill one of each type of alien.

Just Browsing? In single player Story mode, spend 30 minutes or more in the Intex Terminal menus.

Open Hand Slap! Kill 50 enemies with a melee or bayonet

Skilled Negotiator Complete the Special Ops mission "Negotiator" on Veteran difficulty.

Survived Nightfall Kill the Breeder for the first time in Nightfall in Regular or Hardcore difficulty.

Fireworks Fireworks - Kill 10 enemies by exploding a piece of dynamite in the air

A House Divided Defend your leaders.

Phantom Exterminator Kill 5 Phantoms in one game in Nightfall in Regular or Hardcore difficulty.

Come Up For Air Reach the top deck in Mayday in Regular or Hardcore difficulty.

Fighting Light Finish any single player level without using an item.

If You’re Not With Us Choose a side.

Ultimate Bad Ass Ultimate Bad Ass - Complete Dark Void on Hardcore

Bird of Prey Bird of Prey - Kill 25 ground enemies using your rocket pack guns

EMPressive... Complete the "Kill Switch" Special Ops mission on Veteran difficulty.

Handle with Care Complete the "Special Delivery" Special Ops mission on any difficulty.

Apex Complete the "Vertigo" Special Ops mission on any difficulty.

Electrifying Stun 10 aliens with one stun grenade (or witness another player doing this).

Blind Luck Blind Luck - Kill one of each enemy footsoldier using blind fire

Not on My Watch Rescue all the hostages in the Special Ops mission "Negotiator."

Campaign Veteran Complete all single player levels 1-5.

Break Out the Arsenal Fire every weapon and use every item in single player.

Demolition Derby Demolition Derby - Collide with another UFO 10 times

Break a Few Eggs In single player Story mode, destroy 50 alien eggs using melee.

Rock, Paper, Scissors Beat your partner at rock, paper, scissors 3 times in a row

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Trivia Buff Correctly answer 15 Trivia questions.

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Big Spender Purchase the Damage upgrade for the Ion Spike.

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

Cash is King Achieve a balance of 30000 credits or more.

Bookworm Bookworm - Found all journals

Total Fist Bump Destruction Finish the game as best friends

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Got wood? Deliver 15 resources of wood or metal to the team's stockpile in online games

Massacre Kill 10 aliens with one shot (or witness another player doing this).

Knowns and Unknowns Repay a favour.

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

All Star Get 100 Stars in S.T.A.R. Lab Mode