After a period of relative silence Mastertronic and Devolver Digital announced that Serious Sam 3 will be released this fall on Xbox Live Arcade in the context of the "spin-off" indie Serious Sam: Double D . The latter will be released under the title " Serious Sam: Double D XXL " as revised and improved version with new missions, new challenges, new enemies and a local co-op players 2. Stay tuned with us not to miss any update.