- Someone Set Up Us The Bomb
Win a round by planting a bomb
- Defusus Interruptus
Stop defusing to kill a terrorist and then successfully finish defusing the bomb
- Overkill
Kill an opponent you are already dominating
- Body Bagger
Kill 25 enemies
- Rite of First Defusal
Win a round by defusing a bomb
- Newb World Order
Win 10 rounds
- Repeat Offender
Dominate an enemy player
- War Bonds
Earn $125,000 total cash
- Points in Your Favor
Inflict 2,500 total points of damage to enemy players
- Magic Bullet
Kill an enemy with the last bullet in your magazine (excluding sniper rifles)
- Insurgent
Kill an enemy player that is dominating you
- The Hurt Blocker
Defuse 100 bombs
- 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
- 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
- Maverick M4A1 Carbine Expert
Kill 1,000 enemy players with the Maverick M4A1 Carbine
- 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
- Master At Arms
Unlock every weapon kill achievement
- Friendly Firearms
Kill 100 enemy players with enemy weapons
- The Bleeding Edge
Win 100 knife fights
- Snipe Hunter
Kill 100 zoomed-in enemy snipers
- Piece Treaty
Win 250 Pistol Rounds
- Target-Hardened
Survive damage from 5 different players within a round
- Assault Map Veteran
Win 100 rounds on the CS_Assault map
- Compound Map Veteran
Win 100 rounds on the CS_Compound map
- Havana Map Veteran
Win 100 rounds on the CS_Havana map
- Italy Map Veteran
Win 100 rounds on the CS_Italy map
- Militia Map Veteran
Win 100 rounds on the CS_Militia map
- Office Map Veteran
Win 100 rounds on the CS_Office map
- Aztec Map Veteran
Win 100 rounds on the DE_Aztec map
- Cobblestone Map Veteran
Win 100 rounds on the DE_Cbble map
- Chateau Map Veteran
Win 100 rounds on the DE_Chateau map
- Dust Map Veteran
Win 100 rounds on the DE_Dust map
- Piranesi Map Veteran
Win 100 rounds on the DE_Piranesi 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
- 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