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It was launched as a standalone software client in September 2003 as a way for Valve to provide automatic updates for their games , and expanded to include games from third-party publishers .
 organization: Valve
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Valve