Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Million Points of Blight	Inflict 1,000,000 total points of damage to enemies.
A World of Pane	Shoot out fourteen windows in a single round on Office.
AK-47 Expert	Kill thousand enemies with the AK-47.
AUG Expert	Kill 250 enemies with the AUG.
AWP Expert	Kill 500 enemies with the AWP.
Aerial Necrobatics	Kill an airborne enemy while you are also airborne.
Akimbo King	Use Dual Berettas to kill an enemy player that is also wielding Dual Berettas.
Ammo Conservation	Kill two enemy players with a single bullet.
Avenging Angel	Kill an enemy who has killed a player on your friends list in the same round.
Awardist	Earn hundred achievements.
Aztec Map Veteran	Win hundred rounds on Aztec.
Baggage Claimer	Win five matches in Arms Race Mode on Baggage.
Ballistic	In Classic mode, kill four enemy players within fifteen seconds.
Bank On It	Win five matches on Bank.
Base Scamper	Kill an enemy just as their respawn protection ends in Arms Race mode.
Battle Sight Zero	Kill 250 enemies with headshots.
Black Bag Operation	Win a round without making any footstep noise, killing at least one enemy.
Blast Will and Testament	Win a round by picking up the bomb from a fallen comrade and successfully planting it.
Blind Ambition	Kill 25 enemies blinded by flashbangs.
Blind Fury	Kill an enemy while you are blinded from a flashbang.
Blitzkrieg	Win a round against five enemies in less than thirty seconds.
Blood Money	Earn $50,000,000 total cash.
Body Bagger	Kill 25 enemies.
Boomala Boomala	Plant hundred bombs.
Born Ready	Kill an enemy with the first bullet after your respawn protection ends in Arms Race mode.
Bunny Hunt	Kill an airborne enemy.
Can't Keep a Good Man Down	Kill twenty enemies who are dominating you.
Clean Sweep	Kill the entire opposing team without any members of your team taking damage.
Clusterstruck	Kill five enemies with a bomb you have planted.
Cold Pizza Eater	Win thousand matches in Arms Race or Demolition mode.
Cold War	Win a round in which no enemy players die.
Command and Control	Kill hundred enemies whom you are already dominating.
Conservationist	Win an Arms Race match without reloading any of your weapons.
Corpseman	Kill 500 enemies.
Counter-Counter-Terrorist	Kill a Counter-Terrorist while he is defusing the bomb.
Cowboy Diplomacy	Rescue hundred hostages.
Dead Man Stalking	Kill an enemy while at one health.
Dead Shepherd	Kill an enemy who is carrying a hostage.
Death From Above	Kill an enemy while you are airborne.
Decimator	Dominate ten enemies.
Defuse This!	Kill the defuser with an HE grenade.
Defusus Interruptus	Stop defusing the bomb long enough to kill an enemy, then successfully finish defusing it.
Denied!	Kill a player who is on gold knife level in Arms Race Mode.
Desert Eagle Expert	Kill 200 enemies with the Desert Eagle.
Dual Berettas Expert	Kill 25 enemies with the Dual Berettas.
Dust Map Veteran	Win hundred rounds on Dust.
Dust2 Map Veteran	Win hundred rounds on Dust2.
Excessive Brutality	Kill an enemy whom you are dominating four additional times.
Expert Marksman	Get a kill with every weapon.
Eye to Eye	Kill a zoomed-in enemy sniper with a sniper rifle of your own.
FAMAS Expert	Kill hundred enemies with the FAMAS.
FIRST!	Be the first player to get a kill in an Arms Race or Demolition match.
Finishing Schooled	Kill an enemy who has been reduced to less than 5% health by other players.
First Things First	Personally kill the entire Terrorist team before the bomb is planted in Demolition Mode.
Five-SeveN Expert	Kill 25 enemies with the Five-SeveN.
Flame Expert	Kill hundred enemies with the Molotov or Incendiary grenade.
Freed With Speed	Rescue all hostages within 90 seconds.
Friendly Firearms	Kill hundred enemies with enemy weapons.
G3SG1 Expert	Kill hundred enemies with the G3SG1.
Galil AR Expert	Kill 250 enemies with the Galil AR.
Give Piece a Chance	Win 25 Pistol Rounds in Competitive Mode.
Glock-18 Expert	Kill hundred enemies with the Glock-18.
God of War	Kill 10,000 enemies.
Good Shepherd	Rescue all hostages in a single round.
Gun Collector	Play 500 matches of Arms Race or Demolition mode.
Gungamer	Win one match in Arms Race or Demolition mode.
HE Grenade Expert	Kill hundred enemies with the HE grenade.
Hat Trick	Dominate three enemies simultaneously.
Head Shred Redemption	Kill five enemy players with headshots in a single round.
Hip Shot	Kill an enemy with an un-zoomed sniper rifle.
Inferno Map Veteran	Win hundred rounds on Inferno.
Insurgent	Kill an enemy who is dominating you.
Italy Map Veteran	Win hundred rounds on Italy.
Keep on Gunning	Win 25 matches in Arms Race or Demolition mode.
Kill One, Get One Spree	Kill an enemy player who has just killed four of your teammates within fifteen seconds
Kill of the Century	Win hundred matches in Arms Race or Demolition mode.
Killanthropist	Donate hundred weapons to your teammates.
King of the Kill	Play 5,000 matches of Arms Race or Demolition mode.
Knife Expert	Kill hundred enemies with the knife.
Knife on Knife	Kill an enemy who is on gold knife level with your own knife in Arms Race Mode.
Leet-er of Men	Win 5,000 rounds.
Level Playing Field	Kill an enemy who is on gold knife level with a sub-machine gun in Arms Race Mode.
Lost and F0wnd	Kill an enemy with a gun they dropped during the current round.
M249 Expert	Kill hundred enemies with the M249.
M4 AR Expert	Kill thousand enemies with an M4 Assault Rifle.
MAC-10 Expert	Kill 100 enemies with the MAC-10.
MAG-7 Expert	Kill fifty enemies with the MAG-7.
MP7 Expert	Kill 250 enemies with the MP7.
MP9 Expert	Kill hundred enemies with the MP9.
Magic Bullet	Kill an enemy with the last bullet in your magazine (excluding sniper rifles and Zeus x27)
Make the Cut	Win a knife fight.
Marcsman	Win five matches on St. Marc.
Marksman	Win a match on every Arms Race and Demolition map.
Master At Arms	Unlock every weapon kill award.
Mercy Rule	Kill the entire opposing team without any members of your team dying.
My House	Win five matches on Safehouse.
Negev Expert	Kill hundred enemies with the Negev.
Newb World Order	Win ten rounds.
Nova Expert	Kill hundred enemies with the Nova.
Nuke Map Veteran	Win hundred rounds on Nuke.
Office Map Veteran	Win hundred rounds on Office.
One Shot One Kill	Kill three consecutive players using the first bullet of your gun in Arms Race mode.
Overkill	Kill an enemy whom you are already dominating.
P2000/USP Tactical Expert	Kill 100 enemies with the P2000 or USP.
P250 Expert	Kill 25 enemies with the P250.
P90 Expert	Kill 500 enemies with the P90.
PP-Bizon Expert	Kill 250 enemies with the PP-Bizon.
Participation Award	Kill an enemy within three seconds after they recover a dropped bomb.
Piece Initiative	Win five Pistol Rounds in Competitive Mode.
Piece Treaty	Win 250 Pistol Rounds in Competitive Mode.
Pistol Master	Unlock all Pistol kill awards.
Points in Your Favor	Inflict 2,500 total points of damage to enemies.
Practice Practice Practice	Play hundred matches of Arms Race or Demolition mode.
Premature Burial	Kill an enemy with a grenade after dying.
Primer	Do at least 95% damage to an enemy who is then killed by a another player.
Pro-moted	Win 200 rounds.
Quick Cut	Defuse five bombs in Demolition mode.
Rampage!	Win an Arms Race match without dying.
Repeat Offender	Dominate an enemy.
Rifle Master	Unlock all rifle kill awards.
Rite of First Defusal	Win a round by defusing a bomb.
Run of the Mill	Win five matches on Sugarcane.
SAR Czar	Rescue 500 hostages.
SCAR-20 Expert	Kill hundred enemies with the SCAR-20.
SG553 Expert	Kill hundred enemies with the SG553.
SSG 08 Expert	Kill hundred enemies with the SSG 08.
Sawed-Off Expert	Kill fifty enemies with the Sawed-Off.
Second to None	Successfully defuse a bomb with less than one second remaining.
Shoots Vet	Win five matches in Arms Race Mode on Shoots.
Short Fuse	Plant a bomb within 25 seconds (excluding Demolition mode)
Shorter Fuse	Plant five bombs in Demolition Mode.
Shorttrain Map Veteran	Win five matches on Shorttrain.
Shot With Their Pants Down	Kill an enemy while they are reloading.
Shotgun Master	Unlock all shotgun kill awards.
Shrapnelproof	Take eighty points of damage from enemy grenades and still survive the round.
Sknifed	Kill a zoomed-in enemy sniper with a knife.
Snipe Hunter	Kill hundred zoomed-in enemy snipers.
Someone Set Up Us The Bomb	Win a round by planting a bomb.
Spoils of War	Earn $2,500,000 total cash.
Spray and Pray	Kill two enemies while you are blinded from a flashbang.
Still Alive	Survive more than thirty seconds with less than ten health in Arms Race or Demolition mode.
Street Fighter	Kill an enemy with a knife during the Pistol Round in a Classic match.
Sub-Machine Gun Master	Unlock all sub-machine gun kill awards.
Target Secured	Personally kill the entire Counter-Terrorist team before the bomb is planted in Demolition Mode.
Target-Hardened	Survive damage from five different enemies within a round.
Tec-9 Expert	Kill hundred enemies with the Tec-9.
Ten Angry Men	Kill ten enemies you are already dominating during a single match.
The Bleeding Edge	Win hundred knife fights.
The Cleaner	In Classic mode, kill five enemies in a single round.
The Frugal Beret	Win ten rounds in a row without dying or spending any cash in Classic mode.
The Hurt Blocker	Defuse hundred bombs successfully.
The Immovable Object	Kill an enemy who has killed four of your teammates within the current round.
The Professional	Win 500 matches in Arms Race or Demolition mode.
The Road to Hell	Blind an enemy player who then kills a teammate.
The Unstoppable Force	Kill four enemies within a single round.
Three the Hard Way	Kill three enemies with a single HE grenade.
Tourist	Play a round on every Arms Race and Demolition map.
Train Map Veteran	Win hundred rounds on Train.
UMP-45 Expert	Kill 250 enemies with the UMP-45.
Vacation	Win five matches on Lake.
Variety Hour	Get kills with five different guns in a single round.
War Bonds	Earn $50,000 total cash.
War of Attrition	Be the last player alive in a round with five players on your team.
Wild Gooseman Chase	As the last living Terrorist, distract a defuser long enough for the bomb to explode.
XM1014 Expert	Kill 200 enemies with the XM1014.
You've Made Your Points	Inflict 50,000 total points of damage to enemies.
Zeus x27 Expert	Kill 10 enemies with the Zeus x27.