Win 100 knife fights

Kill 1,000 enemies with an M4 Assault Rifle

Unlock all rifle kill awards

Win a round in which no enemy players die

Kill 10 enemies with the Zeus x27

Win 100 rounds on Inferno

Kill an enemy with a grenade after dying

Plant five bombs in Demolition Mode

Plant 100 bombs

Kill 25 enemies blinded by flashbangs

Kill 1,000 enemies with the AK-47

Stop defusing the bomb long enough to kill an enemy, then successfully finish defusing it

Win a round by picking up the bomb from a fallen comrade and successfully planting it

Unlock all sub-machine gun kill awards

Kill 250 enemies with the PP-Bizon

Kill 10,000 enemies

Kill 500 enemies with the P90

Kill 100 enemies with enemy weapons

Win 25 Pistol Rounds in Competitive Mode

Kill 200 enemies with the XM1014

Unlock all shotgun kill awards

Successfully defuse a bomb with less than one second remaining

Get a kill with every weapon

Kill an enemy who is carrying a hostage

Play 500 matches of Arms Race or Demolition mode

Kill 250 enemies with the MP7

Win five matches on Bank

Inflict 1,000,000 total points of damage to enemies

Donate 100 weapons to your teammates

Kill 250 enemies with the Galil AR

Win 100 rounds on Dust2

Earn 100 achievements

Kill an enemy player who has just killed four of your teammates within 15 seconds

Earn $2,500,000 total cash

Kill an enemy with a gun they dropped during the current round

Kill 250 enemies with the UMP-45

Kill 100 enemies with the SSG 08

Win 5 Pistol Rounds in Competitive Mode

Kill 200 enemies with the Desert Eagle

Unlock all Pistol kill awards

Kill 500 enemies with the AWP

Kill 100 enemies with the Tec-9

Kill 250 enemies with the AUG

Kill a Counter-Terrorist while he is defusing the bomb

Win five matches on Shorttrain

Kill an enemy who is on gold knife level with your own knife in Arms Race Mode

Win a round by defusing a bomb

Kill 100 enemies with the Nova

Kill 100 enemies with the Negev

Kill 100 enemies with the MAC-10

Plant a bomb within 25 seconds (excluding Demolition mode)

Kill an airborne enemy while you are also airborne

Kill 100 enemies with the SG553

Kill 100 enemies with the M249

Kill 100 enemies with the Glock-18

Kill 100 enemies with the G3SG1

Kill 100 enemies with the FAMAS

Kill 100 enemies whom you are already dominating

Kill 100 enemies with the MP9

Win five matches in Arms Race Mode on Shoots

Kill 25 enemies with the Dual Berettas

Kill 100 enemies with the knife

Win 25 matches in Arms Race or Demolition mode

Win five matches in Arms Race Mode on Baggage

Kill 25 enemies with the Five-SeveN

Kill 100 enemies with the SCAR-20

Kill 50 enemies with the Sawed-Off

Kill an enemy within three seconds after they recover a dropped bomb

Kill 25 enemies with the P250

Kill 50 enemies with the MAG-7

Play 100 matches of Arms Race or Demolition mode

Win five matches on Safehouse

Win five matches on Lake

Kill an enemy with a knife during the Pistol Round in a Classic match

Use Dual Berettas to kill an enemy player that is also wielding Dual Berettas

Win five matches on St. Marc

Kill an enemy who has killed a player on your friends list in the same round

Kill a player who is on gold knife level in Arms Race Mode

Win an Arms Race match without reloading any of your weapons

Kill three consecutive players using the first bullet of your gun in Arms Race mode

Kill 20 enemies who are dominating you

Kill 250 enemies with headshots

Kill an enemy while you are blinded from a flashbang

Kill 100 enemies with the P2000 or USP

Do at least 95% damage to an enemy who is then killed by a another player

Kill two enemy players with a single bullet

Get kills with five different guns in a single round

Win 200 rounds

Kill 500 enemies

In Classic mode, kill four enemy players within fifteen seconds

Win a round by planting a bomb

Kill 100 zoomed-in enemy snipers

Rescue all hostages within 90 seconds

Rescue all hostages in a single round

Be the last player alive in a round with five players on your team

Inflict 50,000 total points of damage to enemies

Win a round against five enemies in less than thirty seconds

Kill the entire opposing team without any members of your team dying

Kill the entire opposing team without any members of your team taking damage

Kill 10 enemies you are already dominating during a single match

Kill an enemy whom you are dominating four additional times

Kill a zoomed-in enemy sniper with a knife

Dominate ten enemies

Shoot out 14 windows in a single round on Office

Dominate three enemies simultaneously

Kill five enemy players with headshots in a single round

Kill an enemy while at one health

In Classic mode, kill five enemies in a single round

Kill four enemies within a single round

Win a knife fight

Kill an enemy while you are airborne

Win a round without making any footstep noise, killing at least one enemy

Earn $50,000 total cash

Win ten rounds

Kill an enemy who has killed four of your teammates within the current round

Kill a zoomed-in enemy sniper with a sniper rifle of your own

Kill an enemy with the first bullet after your respawn protection ends in Arms Race mode

Kill an enemy with an un-zoomed sniper rifle

Kill an airborne enemy

Be the first player to get a kill in an Arms Race or Demolition match

Win one match in Arms Race or Demolition mode

Kill an enemy with the last bullet in your magazine (excluding sniper rifles and Zeus x27)

Kill 25 enemies

Kill an enemy just as their respawn protection ends in Arms Race mode

Kill an enemy who has been reduced to less than 5% health by other players

Kill an enemy whom you are already dominating

Inflict 2,500 total points of damage to enemies

Dominate an enemy

Kill an enemy who is dominating you

Survive more than 30 seconds with less than ten health in Arms Race or Demolition mode

Kill an enemy while they are reloading