Xbox doesn't have many great RTS games, but Sudden Strike 4 is a great strategy game with loads of content at a fair price. Can't believe I heard nothing about this game
Sudden Strike 4: Complete Collection | Kalypso US
Amazon.com: Sudden Strike 4 Complete Collection (PS4) : Video Games
Amazon.com: Sudden Strike 4: Complete Collection PS4 - PlayStation 4 : Video Games