Half-Life 2: Episode One/Achievements

There are 11 achievements for the Xbox 360 version of Half-Life 2: Episode One, worth a total of. There are also six achievements that can be obtained here or the other Half-Life games in The Orange Box. There are 13 achievements for Steam.

Episode One

 * [[Image:HL2E1 achievement watch your head.png]] || Watch Your Head! || Make it to the bottom of the Citadel's main elevator shaft in one piece. ||
 * [[Image:HL2E1 achievement containment.png]] || Containment || Contain the Citadel core. ||
 * [[Image:HL2E1 achievement pacifist.png]] || Pacifist || Contain the Citadel core without killing any stalkers. ||
 * [[Image:HL2 achievement zombie-que.png]] || Zombie-que || Use flares to light 15 zombies on fire. ||
 * [[Image:HL2E1 achievement car crusher.png]] || Car Crusher || Use the cars to squash 15 antlions in Episode One. ||
 * [[Image:HL2E1 achievement watch your head.png]] || Elevator Action || Survive long enough to get on the parking garage elevator. ||
 * [[Image:HL2E1 achievement live bait.png]] || Live Bait || Help Alyx snipe 30 enemies in Episode One. ||
 * [[Image:HL2E1 achievement attica.png]] || Attica! || Destroy the gunship in the hospital attic. ||
 * [[Image:HL2E1 achievement citizen escort.png]] || Citizen Escort || Don't let any citizens die when escorting them to the escape train. ||
 * [[Image:HL2E1 achievement escape from city 17.png]] || Escape from City 17 || Escape City 17 with Alyx. ||
 * [[Image:HL2E1 achievement the one free bullet.png]] || The One Free Bullet || Beat Episode One firing exactly one bullet. Grenade, crowbar, rocket, and Gravgun kills are OK! ||
 * }
 * [[Image:HL2E1 achievement live bait.png]] || Live Bait || Help Alyx snipe 30 enemies in Episode One. ||
 * [[Image:HL2E1 achievement attica.png]] || Attica! || Destroy the gunship in the hospital attic. ||
 * [[Image:HL2E1 achievement citizen escort.png]] || Citizen Escort || Don't let any citizens die when escorting them to the escape train. ||
 * [[Image:HL2E1 achievement escape from city 17.png]] || Escape from City 17 || Escape City 17 with Alyx. ||
 * [[Image:HL2E1 achievement the one free bullet.png]] || The One Free Bullet || Beat Episode One firing exactly one bullet. Grenade, crowbar, rocket, and Gravgun kills are OK! ||
 * }
 * [[Image:HL2E1 achievement escape from city 17.png]] || Escape from City 17 || Escape City 17 with Alyx. ||
 * [[Image:HL2E1 achievement the one free bullet.png]] || The One Free Bullet || Beat Episode One firing exactly one bullet. Grenade, crowbar, rocket, and Gravgun kills are OK! ||
 * }
 * }

Any Half-Life 2 game
These six achievements can be performed on Half-Life 2, Episode One or Episode Two and are worth on The Orange Box. For Steam, only Conservationist and Think Fast! can be obtained in Episode One.


 * [[Image:HL2E2 achievement bone breaker.png]] || Bone Breaker || Kill 30 enemies with thrown physics objects. ||
 * [[Image:HL2E2 achievement deadly harvest.png]] || Deadly Harvest || Kill an enemy by planting a hopper mine. ||
 * [[Image:HL2 achievement defiant.png]] || Hot Potat0wned || Kill a Combine soldier with his own grenade. ||
 * [[Image:HL2 achievement hack attack.png]] || Hack Attack! || Kill five enemies with a Manhack. ||
 * [[Image:HL2 achievement conservationist.png]] || Conservationist || Kill five enemies with the same energy ball. ||
 * [[Image:HL2 achievement conservationist.png]] || Think Fast! || Kill an Elite Soldier with his own energy ball. ||
 * }
 * [[Image:HL2 achievement conservationist.png]] || Conservationist || Kill five enemies with the same energy ball. ||
 * [[Image:HL2 achievement conservationist.png]] || Think Fast! || Kill an Elite Soldier with his own energy ball. ||
 * }
 * [[Image:HL2 achievement conservationist.png]] || Think Fast! || Kill an Elite Soldier with his own energy ball. ||
 * }