The Resistance have mobilized agaisnt the Combine, causing the streets of City 17 to be turned into a warzone. Fight for the Resistance as a Rebel or fight against it as a Combine, as an Offensive, Defensive, or Support class. Uprise is an urban warfare multi-player mod for Alien Swarm, featuring various unique gameplay modes with a familiar scenarios. The Rebels and Combine both struggle for the resources needed to fight and survive the uprise.