Its expansion is Command & Conquer: Yuri’s Revenge. Set in the early 1970s, Red Alert 2 supposedly picks up at the conclusion of the Allied campaign of the first game, but this has been subject to debate. Command & Conquer: Red Alert 2 is a 2.5D real-time strategy computer game by Westwood Studios, which was released for Microsoft Windows on Octoas the follow-up to Command & Conquer: Red Alert.