Question: do you need red alert 3 to play uprising

Answer: No, Command & Conquer: Red Alert 3 -- Uprising is a 2009 real-time strategy video game developed by EA Los Angeles and published by Electronic Arts. It is a stand-alone expansion to Command & Conquer: Red Alert 3 released for Microsoft Windows and offered via digital distribution. It does not require Red Alert 3 to play. It features about 30 new maps for traditional skirmish with many of these taking place in new environments. It does not contain any multiplayer elements such as cooperative play, online play or network play.