IL-2 Sturmovik: Forgotten Battles is a STAND ALONE product
The Forgotten Battles consists of: 20 single-player missions 10 multiplayer missions 5 new maps Dynamic campaigns that are working on all existing maps of IL-2 Sturmovik and IL-2 Sturmovik: Forgotten Battles
Forgotten Battles offers all the gameplay of IL-2 Sturmovik, plus many new additions. These include (but are not limited to): 30 new flyable aircraft 23 new AI-controlled aircraft New AI ground objects and vehicles for each new map area, with new 3D building models Ranking and award system for Finnish and Hungarian pilots Selectable custom user-made skins in single play mode for players and all AI aircraft All IL-2 Sturmovik: Forgotten Battles aircraft available in Quick Mission Builder, except seaplanes and gliders Improved flight dynamics More realistic AI scripting to create more realistic battles New engine management relating to radiators, superchargers and fuel mixture control for different altitudes Online track recorder and editor A New system of single play track recording and editing Search lights and barrage balloons (including intercommunication with AA artillery) New ships including the Russian battleship Marat, Russian cruisers Aurora and Kirov and German cruiser Niobe (but not limited to) Play up to 32 players online in dogfight and in cooperative modes (depending on your internet connection) IL-2 Sturmovik and IL-2 Sturmovik: Forgotten Battles are not compatible with each other when playing online
IL-2 Sturmovik: Forgotten Battles includes from the original IL-2 Sturmovik game: All aircraft (including those released for free in add-ons) All maps
IL-2 Sturmovik: Forgotten Battles does not include from the original IL-2 Sturmovik game: The single missions The multiplayer missions The 3 offline single player campaigns