- Hip Shot
Kill an enemy with an un-zoomed sniper rifle
- Ammo Conservation
Kill two enemy players with a single bullet
- Eye to Eye
Kill a zoomed-in enemy sniper with a sniper rifle of your own
- You've Made Your Points
Inflict 50,000 total points of damage to enemy players
- Bunny Hunt
Kill an airborne enemy
- Finishing Schooled
Kill an enemy player who has been reduced to less than 5% health by other players
- Clean Sweep
Kill the entire opposing team without any members of your team taking any damage
- Dead of Night
Do 5,000 damage with nightvision active
- Participation Award
Kill an enemy player within 3 seconds of them recovering a dropped bomb
- Rite of First Defusal
Win a round by defusing a bomb
- Safety First
Survive a shot to the head because you had the good sense to wear a helmet
- Magic Bullet
Kill an enemy with the last bullet in your magazine (excluding sniper rifles)
- Primer
Do at least 95% damage to an enemy who is then killed by a another player
- Decimator
Dominate a total of 10 enemy players
- Dead Shepherd
Kill an enemy player who is leading the hostages without injuring any hostages
- War Bonds
Earn $125,000 total cash
- War of Attrition
Be the last player alive in a round (with at least 5 players on your team)
- Ten Angry Men
Get 10 kills on enemy players you are already dominating during a single match
- Excessive Brutality
Kill an enemy player 4 additional times while you are dominating them
- The Cleaner
Kill the entire enemy team (with at least 5 players) in a single round
- Shot With Their Pants Down
Kill an enemy player while they are reloading
- Head Shred Redemption
Kill 5 enemy players with headshots in a single round
- Ballistic
Kill 5 enemy players within 15 seconds
- Overkill
Kill an opponent you are already dominating
- Blitzkrieg
Win a round in less than 30 seconds (against at least 5 enemy players)
- Hat Trick
Dominate three enemy players simultaneously
- Mercy Rule
Kill the entire opposing team without any members of your team dying
- Body Bagger
Kill 25 enemies
- Newb World Order
Win 10 rounds
- Points in Your Favor
Inflict 2,500 total points of damage to enemy players
- Repeat Offender
Dominate an enemy player
- God of War
Kill 10,000 enemies
- Counter-Counter-Terrorist
Kill a CT while he is defusing the bomb
- Leet-er of Men
Win 5000 rounds
- Lost and F0wnd
KIll an enemy player with a gun they dropped that round
- SAR Czar
Rescue 500 hostages
- Blood Money
Earn $50,000,000 total cash
- Magnum Sniper Rifle Expert
Kill 1,000 enemy players with the Magnum Sniper Rifle
- CV-47 Expert
Kill 1,000 enemy players with the CV-47
- Krieg 550 Commando Expert
Kill 500 enemy players with the Krieg 550 Commando
- Schmidt Scout Expert
Kill 1,000 enemy players with the Schmidt Scout
- D3/AU-1 Expert
Kill 500 enemy players with the D3/AU-1
- 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
- Knife Expert
Kill 100 enemy players with the knife
- M249 Expert
Kill 500 enemy players with the M249
- Master At Arms
Unlock every weapon kill achievement
- The Bleeding Edge
Win 100 knife fights
- Defuse This!
Kill the defuser with an HE grenade
- Sknifed
Kill a zoomed-in enemy sniper with a knife
- 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
- Aerial Necrobatics
Kill an airborne enemy while you are also airborne
- Killanthropist
Donate 100 weapons to your teammates
- Can't Keep a Good Man Down
Kill a total of 20 enemy players that are dominating you
- 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.
Locked - 3 guides