Kill an Elite Soldier with his own energy ball.

Kill five enemies with the same energy ball. This achievement counts across save files, unlike in past Half-Life games with stat-based achievements. First, there is an achievement for smashing 50 glass bottles so make sure to smash every bottle you see for the first few chapters of the game. Kill a Combine soldier with his own grenade. There’s only a couple achievements to be aware of before beginning the game. Kill 30 enemies with thrown physics objects. For Steam, only Conservationist and Think Fast! can be obtained in Episode One. These six achievements can be performed on Half-Life 2, Episode One or Episode Two and are worth 40 on The Orange Box. Grenade, crowbar, rocket, and Gravgun kills are OK!

Help Alyx snipe 30 enemies in Episode One.ĭestroy the gunship in the hospital attic.ĭon't let any citizens die when escorting them to the escape train.īeat Episode One firing exactly one bullet. Survive long enough to get on the parking garage elevator.

Use the cars to squash 15 antlions in Episode One. Make it to the bottom of the Citadel's main elevator shaft in one piece.Ĭontain the Citadel core without killing any stalkers.

Half life hidden achievement