Brigade E5: New Jagged Union (Russian: Бригада Е5: Новый Альянс) is a real-time tactical role-playing game developed by Russian developer Aperion. It was released in 2005 in Russia, and on October 17, 2006 in North America.
The game received "generally unfavorable reviews" according to the review aggregation website Metacritic. Mark Birnbaum of IGN called it "without exaggeration...one of the worst games I've ever played". Despite the negative reviews in the west, the game was rated the "Best Tactical Game of 2005" by many Russian critics.