- Street Fighter
Kill an enemy player with a knife during the pistol round
- Decimator
Dominate a total of 10 enemy players
- Dead Man Stalking
Kill an enemy while at 1 health
- Bunny Hunt
Kill an airborne enemy
- Expert Marksman
Get a kill with every weapon
- Finishing Schooled
Kill an enemy player who has been reduced to less than 5% health by other players
- Rite of First Defusal
Win a round by defusing a bomb
- Happy Camper
Get two kills standing in the same spot with a zoomed sniper rifle.
- Ballistic
Kill 5 enemy players within 15 seconds
- Shrapnelproof
Take 80 points of damage from enemy grenades and still survive the round
- Primer
Do at least 95% damage to an enemy who is then killed by a another player
- War Bonds
Earn $125,000 total cash
- Hip Shot
Kill an enemy with an un-zoomed sniper rifle
- The Cleaner
Kill the entire enemy team (with at least 5 players) in a single round
- Safety First
Survive a shot to the head because you had the good sense to wear a helmet
- Kill One, Get One Spree
Kill an enemy player who is on a killing spree
- Eye to Eye
Kill a zoomed-in enemy sniper with a sniper rifle of your own
- Insurgent
Kill an enemy player that is dominating you
- Head Shred Redemption
Kill 5 enemy players with headshots in a single round
- The Unstoppable Force
Kill 10 enemy players in a single round
- Variety Hour
Get kills with 5 different guns in a round
- The Immovable Object
Kill an enemy player who has just killed 10 of your teammates in a single round
- Shot With Their Pants Down
Kill an enemy player while they are reloading
- Body Bagger
Kill 25 enemies
- Make the Cut
Win a knife fight
- Newb World Order
Win 10 rounds
- Overkill
Kill an opponent you are already dominating
- Repeat Offender
Dominate an enemy player
- Points in Your Favor
Inflict 2,500 total points of damage to enemy players
- Blitzkrieg
Win a round in less than 30 seconds (against at least 5 enemy players)
- The Hurt Blocker
Defuse 100 bombs
- Leet-er of Men
Win 5000 rounds
- SAR Czar
Rescue 500 hostages
- Blood Money
Earn $50,000,000 total cash
- IDF Defender Expert
Kill 500 enemy players with the IDF Defender
- Schmidt Scout Expert
Kill 1,000 enemy players with the Schmidt Scout
- Rifle Master
Unlock all 10 rifle kill achievements
- ES C90 Expert
Kill 1,000 enemy players with the ES C90
- KM Sub-Machine Gun Expert
Kill 1,000 enemy players with the KM Sub-Machine Gun
- Schmidt Machine Pistol Expert
Kill 500 enemy players with the Schmidt Machine Pistol
- Ingram Mac-10 Expert
Kill 500 enemy players with the Ingram Mac-10
- KM UMP45 Expert
Kill 1,000 enemy players with the KM UMP45
- Sub-Machine Gun Master
Unlock all 5 sub-machine gun kill achievements
- HE Grenade Expert
Kill 500 enemy players with the HE grenade
- Master At Arms
Unlock every weapon kill achievement
- Defuse This!
Kill the defuser with an HE grenade
- Piece Treaty
Win 250 Pistol Rounds
- Clusterstruck
Kill 5 players in a C4 blast
- Wild Gooseman Chase
As the last living terrorist, distract a defuser long enough for the bomb to explode
- Mad Props
Break 15 props in a single round
- Havana Map Veteran
Win 100 rounds on the CS_Havana map
- Militia Map Veteran
Win 100 rounds on the CS_Militia map
- Cobblestone Map Veteran
Win 100 rounds on the DE_Cbble map
- Chateau Map Veteran
Win 100 rounds on the DE_Chateau map
- Port Map Veteran
Win 100 rounds on the DE_Port map
- Prodigy Map Veteran
Win 100 rounds on the DE_Prodigy map
- Tides Map Veteran
Win 100 rounds on the DE_Tides map
- Train Map Veteran
Win 100 rounds on the DE_Train map
- Black Bag Operation
Win a round while making no footstep noise and killing at least one enemy
- Cold War
Win a round without your team killing any enemy players
- Killanthropist
Donate 100 weapons to your teammates
- Dressed to Kill
Start a round with all players on your team wearing the same uniform (at least 5 players)
- Friendly Attire
Start a round on the same team as 4 of your friends, with all of you wearing the same outfit
- Clan Warfare
Win a match of at least 10 players where the entirety of each team is composed of a single clan.
- Valve Gift Grab 2011 – CS:S
Collect three gifts dropped by opponents.
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