Counter-Strike: Source achievements

Kill 5 enemy players with headshots in a single round

Survive a shot to the head because you had the good sense to wear a helmet

Kill an enemy player who has just killed 10 of your teammates in a single round

Kill a zoomed-in enemy sniper with a sniper rifle of your own

Kill an opponent you are already dominating

Kill an enemy with the last bullet in your magazine (excluding sniper rifles)

Do at least 95% damage to an enemy who is then killed by a another player

Kill an enemy player that is dominating you

Kill an enemy player who has been reduced to less than 5% health by other players

Dominate an enemy player

Earn $125,000 total cash

Kill 25 enemies