Guns Up! is a free-to-play action strategy game developed by San Diego Studio and Valkyrie Entertainment and published by Sony Computer Entertainment for the PlayStation 4. It was originally rNew content will be added above the current area of focus upon selectionGuns Up! is a free-to-play action strategy game developed by San Diego Studio and Valkyrie Entertainment and published by Sony Computer Entertainment for the PlayStation 4. It was originally released on December 5, 2015. A Windows port was later released on February 5, 2018, through Steam. A mobile port licensed by Sony for iOS and Android developed and published by NHN Bigfoot with Valkyrie's involvement was released on April 1, 2022.Wikipedia