Win a match on every Arms Race and Demolition map
Kill an enemy who is on gold knife level with a sub-machine gun in Arms Race Mode
Kill an airborne enemy while you are also airborne
Kill 200 enemies with the XM1014
Unlock all shotgun kill awards
Kill 100 enemies with the SSG 08
Kill 250 enemies with the UMP-45
Unlock all sub-machine gun kill awards
Kill 250 enemies with the PP-Bizon
Kill 100 enemies whom you are already dominating
Win 100 rounds on Italy
Kill 100 enemies with the MP9
Kill 100 enemies with the MAC-10
Win 100 rounds on Train
Kill 100 enemies with the M249
Win 250 Pistol Rounds in Competitive Mode
Kill 10,000 enemies
Take 80 points of damage from enemy grenades and still survive the round
Kill 100 enemies with the SCAR-20
Kill 100 enemies with the Negev
Kill 50 enemies with the Sawed-Off
Kill 1,000 enemies with an M4 Assault Rifle
Win 5,000 rounds
Kill 250 enemies with the MP7
Defuse 100 bombs successfully
Successfully defuse a bomb with less than one second remaining
Kill 50 enemies with the MAG-7
Kill an enemy with a grenade after dying
As the last living Terrorist, distract a defuser long enough for the bomb to explode
Win five matches on Safehouse
Inflict 1,000,000 total points of damage to enemies
Kill 100 enemies with the G3SG1
Kill 1,000 enemies with the AK-47
Unlock all Pistol kill awards
Kill 100 enemies with the Tec-9
Kill 500 enemies with the P90
Kill 100 enemies with the Nova
Kill 200 enemies with the Desert Eagle
Kill 20 enemies who are dominating you
Kill 100 enemies with the knife
Use Dual Berettas to kill an enemy player that is also wielding Dual Berettas
Kill 100 enemies with the SG553
Kill 250 enemies with the Galil AR
Win 100 rounds on Nuke
Win a round without making any footstep noise, killing at least one enemy
Defuse five bombs in Demolition mode
Earn 100 achievements
Win a round in which no enemy players die
Win 25 matches in Arms Race or Demolition mode
Kill two enemy players with a single bullet
Kill 10 enemies with the Zeus x27
Kill two enemies while you are blinded from a flashbang
Win 100 rounds on Office
Play 100 matches of Arms Race or Demolition mode
Kill 10 enemies you are already dominating during a single match
Win 100 rounds on Inferno
Donate 100 weapons to your teammates
Kill 100 enemies with enemy weapons
Kill 25 enemies with the P250
Kill an enemy with a gun they dropped during the current round
Kill 250 enemies with the AUG
Plant 100 bombs
Kill 100 enemies with the Glock-18
Kill 25 enemies with the Dual Berettas
Kill 100 zoomed-in enemy snipers
Kill 100 enemies with the P2000 or USP
Win 25 Pistol Rounds in Competitive Mode
Kill 100 enemies with the FAMAS
Kill 25 enemies blinded by flashbangs
Kill 25 enemies with the Five-SeveN
Earn $2,500,000 total cash
Personally kill the entire Counter-Terrorist team before the bomb is planted in Demolition Mode
Kill three consecutive players using the first bullet of your gun in Arms Race mode
Kill an enemy who is on gold knife level with your own knife in Arms Race Mode
Rescue all hostages within 90 seconds
Rescue all hostages in a single round
Shoot out 14 windows in a single round on Office
Win five matches in Arms Race Mode on Baggage
Kill an enemy whom you are dominating four additional times
Win five matches in Arms Race Mode on Shoots
Win 100 rounds on Dust2
Win five matches on Bank
Win a round by picking up the bomb from a fallen comrade and successfully planting it
Kill the entire opposing team without any members of your team taking damage
Stop defusing the bomb long enough to kill an enemy, then successfully finish defusing it
Win five matches on Shorttrain
Win five matches on Sugarcane
Get a kill with every weapon
Kill an enemy who is carrying a hostage
Win 200 rounds
Kill an enemy while you are blinded from a flashbang
Win 5 Pistol Rounds in Competitive Mode
Win a knife fight
Win an Arms Race match without dying
Win a round by defusing a bomb
Kill an enemy with a knife during the Pistol Round in a Classic match
Plant a bomb within 25 seconds (excluding Demolition mode)
In Classic mode, kill five enemies in a single round
In Classic mode, kill four enemy players within fifteen seconds
Win a round by planting a bomb
Dominate three enemies simultaneously
Win five matches on St. Marc
Kill 250 enemies with headshots
Be the last player alive in a round with five players on your team
Personally kill the entire Terrorist team before the bomb is planted in Demolition Mode
Kill an enemy within three seconds after they recover a dropped bomb
Kill 500 enemies
Win five matches on Lake
Kill five enemy players with headshots in a single round
Get kills with five different guns in a single round
Play a round on every Arms Race and Demolition map
Inflict 50,000 total points of damage to enemies
Kill an enemy while at one health
Dominate ten enemies
Plant five bombs in Demolition Mode
Kill a Counter-Terrorist while he is defusing the bomb
Survive more than 30 seconds with less than ten health in Arms Race or Demolition mode
Kill an enemy while you are airborne
Kill an enemy who has killed a player on your friends list in the same round
Win ten rounds in a row without dying or spending any cash in Classic mode
Kill an enemy who is dominating you
Kill the entire opposing team without any members of your team dying
Kill an airborne enemy
Earn $50,000 total cash
Win ten rounds
Kill a zoomed-in enemy sniper with a knife
Do at least 95% damage to an enemy who is then killed by a another player
Kill a player who is on gold knife level in Arms Race Mode
Kill an enemy just as their respawn protection ends in Arms Race mode
Win an Arms Race match without reloading any of your weapons
Kill four enemies within a single round
Kill an enemy player who has just killed four of your teammates within 15 seconds
Kill an enemy who has killed four of your teammates within the current round
Kill an enemy with an un-zoomed sniper rifle
Win a round against five enemies in less than thirty seconds
Kill an enemy while they are reloading
Kill a zoomed-in enemy sniper with a sniper rifle of your own
Win one match in Arms Race or Demolition mode
Kill 25 enemies
Inflict 2,500 total points of damage to enemies
Kill an enemy with the first bullet after your respawn protection ends in Arms Race mode
Kill an enemy whom you are already dominating
Dominate an enemy
Kill an enemy with the last bullet in your magazine (excluding sniper rifles and Zeus x27)
Kill an enemy who has been reduced to less than 5% health by other players
Be the first player to get a kill in an Arms Race or Demolition match
Defuse a bomb with a kit when it would have failed without one
Rescue 100 hostages
Rescue 500 hostages
Earn $50,000,000 total cash
Kill 500 enemies with the AWP
Unlock all rifle kill awards
Kill 100 enemies with the HE grenade
Unlock every weapon kill award
Win 100 knife fights
Kill the defuser with an HE grenade
Kill three enemies with a single HE grenade
Kill five enemies with a bomb you have planted
Survive damage from five different enemies within a round
Break 15 props in a single round
Win 100 rounds on Aztec
Win 100 rounds on Dust
Blind an enemy player who then kills a teammate
Kill yourself while on gold knife level in Arms Race Mode
Play 500 matches of Arms Race or Demolition mode
Play 5,000 matches of Arms Race or Demolition mode
Win 100 matches in Arms Race or Demolition mode
Win 500 matches in Arms Race or Demolition mode
Win 1,000 matches in Arms Race or Demolition mode
Kill 100 enemies with the Molotov or Incendiary grenade