The game was developed and published by Valve Corporation and uses the same engine as the previous games.īefore Valve decided to structure the game in episodes, Half-Life 2 Episode One was known as Half-Life 2: Aftermath. Half-Life 2 Episode One or HL2 Episode One, is a first-person shooter, released on June 1, 2006. The trainer also features a one hit kill option that can be used by players, to bring down their enemies with only one bullet.įans who wish to cheat in Half-Life 2 Episode One should be aware that the trainer works only while the game is played offline, and it can’t be used online. In other words, the trainer gives players the possibility to activate several codes ( Half-Life 2 Episode One cheats) to get unlimited ammo, unlimited health, shield and grenades, as well as unlimited battery power. The trainer presented in the guide, allows players to activate several Half-Life 2 Episode One cheats, which will eventually help them during the game. The following game guide reveals a cheating method for the PC version of Half-Life 2 Episode One.