Announced at E3 2015, Rising Storm 2: Vietnam is a standalone expansion for Red Orchestra 2. No other information was given at this early time in development.
Rising Storm is a stand-alone expansion pack to Red Orchestra 2: Heroes of Stalingrad developed by Tripwire Interactive in conjunction with the modding community. The title focuses on the Pacific campaign of World War II. Announced in May 2010, the game was scheduled for release in 2013. The beta went live on May 8 that year. A sequel, titled Rising Storm 2: Vietnam is currently in development.