<prompt> I-Episode One yathengiswa ezitolo ezithengisa izinto kanye nase-Valves online Steam distribution system, lapho yathengiswa khona ngentengo yesaphulelo. Umdlalo uphinde wasatshalaliswa yi-Electronic Arts njengokukhishwa okuzimele futhi njengengxenye ye-Half-Life 2: Iqoqo lePlatinamu. Itholakala ngokulayishwa kwangaphambili nokuthengwa kwangaphambili nge-Steam ngoMeyi 1, 2006, ne-Half-Life Deathmatch: Umthombo ne-Half-Life 2: I-Deathmatch ivele itholakale ukudlala njengengxenye yephakheji. I-Episode One iyatholakala njengengxenye yephakheji le-bundle elaziwa ngokuthi i-Orange Box, elihlanganisa ne-Half-Life 2, i-Episode Two, i-Team Fortress 2, ne-Portal; futhi iyatholakala nge-Mac, i-PC, i-Xbox 360, ne-PlayStation 3. Cishe amakhophi ayizigidi eziyi-1.4 we-Episode One athengiswa ngo-2008.  <response>: 46 