Valkyria Chronicles 4 (戦場のヴァルキュリア4 Valkyria Chronicles 4: Eastern Front?) is the fourth game in the Valkyria Chronicles series and the 5th installment of the entire Valkyria series.
Source link: https://store.playstation.com/fr-fr/product/EP0177-CUSA10776_00-BFVALKYRIE000100
In Japan it was released on March 21, 2018 for PS4 and was released on September 27, 2018 for the Nintendo Switch.
The English version was also released on Xbox One PC for Steam, alongside a PS4 and Switch release on September 25, 2018.