- War of Attrition
Be the last player alive in a round (with at least 5 players on your team)
- Primer
Do at least 95% damage to an enemy who is then killed by a another player
- Counter-Counter-Terrorist
Kill a CT while he is defusing the bomb
- Decimator
Dominate a total of 10 enemy players
- Finishing Schooled
Kill an enemy player who has been reduced to less than 5% health by other players
- Insurgent
Kill an enemy player that is dominating you
- Death From Above
Kill an enemy player while you are airborne
- Ten Angry Men
Get 10 kills on enemy players you are already dominating during a single match
- Spray and Pray
Kill two enemy players while you are blinded from a flashbang
- Blind Fury
Kill an enemy player while you are blinded from a flashbang
- War Bonds
Earn $125,000 total cash
- Hat Trick
Dominate three enemy players simultaneously
- Ballistic
Kill 5 enemy players within 15 seconds
- Participation Award
Kill an enemy player within 3 seconds of them recovering a dropped bomb
- Overkill
Kill an opponent you are already dominating
- Safety First
Survive a shot to the head because you had the good sense to wear a helmet
- Repeat Offender
Dominate an enemy player
- Magic Bullet
Kill an enemy with the last bullet in your magazine (excluding sniper rifles)
- Body Bagger
Kill 25 enemies
- Points in Your Favor
Inflict 2,500 total points of damage to enemy players
- Combat Ready
Defuse a bomb with a kit when it would have failed without one
- Rite of First Defusal
Win a round by defusing a bomb
- Newb World Order
Win 10 rounds
- Shot With Their Pants Down
Kill an enemy player while they are reloading
- God of War
Kill 10,000 enemies
- Leet-er of Men
Win 5000 rounds
- A Million Points of Blight
Inflict 1,000,000 total points of damage to enemy players
- Lost and F0wnd
KIll an enemy player with a gun they dropped that round
- Blood Money
Earn $50,000,000 total cash
- KM Tactical .45 Expert
Kill 200 enemy players with the KM Tactical .45
- 9x19 Sidearm Expert
Kill 200 enemy players with the 9x19 Sidearm
- Pistol Master
Unlock all 6 Pistol kill achievements
- 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
- Bullpup Expert
Kill 500 enemy players with the Bullpup
- Krieg 552 Expert
Kill 500 enemy players with the Krieg 552
- Krieg 550 Commando Expert
Kill 500 enemy players with the Krieg 550 Commando
- IDF Defender Expert
Kill 500 enemy players with the IDF Defender
- Clarion 5.56 Expert
Kill 500 enemy players with the Clarion 5.56
- 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
- Leone 12 Gauge Super Expert
Kill 200 enemy players with the Leone 12 Gauge Super
- Leone YG1265 Auto Shotgun Expert
Kill 200 enemy players with the Leone YG1265 Auto Shotgun
- Shotgun Master
Unlock both shotgun 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
- Three the Hard Way
Kill 3 enemy players with a single HE grenade
- Piece Treaty
Win 250 Pistol Rounds
- Target-Hardened
Survive damage from 5 different players within a round
- Aerial Necrobatics
Kill an airborne enemy while you are also airborne
- 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.
Locked - 3 guides