Counter-Strike: Global Offensive achievements

Kill an enemy with the first bullet after your respawn protection ends in Arms Race mode

Kill two enemy players with a single bullet

Survive more than 30 seconds with less than ten health in Arms Race or Demolition mode

Kill an enemy player who has just killed four of your teammates within 15 seconds

Kill an enemy within three seconds after they recover a dropped bomb

Kill 500 enemies

Kill an airborne enemy

Kill an enemy while you are blinded from a flashbang

Inflict 50,000 total points of damage to enemies

In Classic mode, kill five enemies in a single round

In Classic mode, kill four enemy players within fifteen seconds

Kill an enemy whom you are already dominating