Sony has revealed the PS Plus monthly free games for February. Next month’s PS Plus Essential lineup includes boxing title Undisputed; survival action-adventure Subnautica: Below Zero; Metroidvania title Ultros, and combat flight sim Ace Combat 7: Skies Unknown. All four games will be added to PS Plus on February 3.Sony has revealed the PS Plus monthly free games for February. Next month’s PS Plus Essential lineup includes boxing title Undisputed; survival action-adventure Subnautica: Below Zero; Metroidvania title Ultros, and combat flight sim Ace Combat 7: Skies Unknown. All four games will be added to PS Plus on February 3.