Yakuza 0s slice of eighties Japan is gaudy, over the top and gloriously unashamed of itself in all the ways a majority of PC games aren't. The combination of fast paced combat, melodrama, comedy and mini-games provide a ton of fun for the asking price and the conversion from console to PC has been a resounding success. Absolutely worth your money and time.
Red Dead Redemption 2 is a masterpiece. No other game has ever tried and succeeded to capture a sense of a time and place long gone while also blending social commentary so well. The addition of a multiplayer mode that's a real step up from Rockstar's last effort makes Red Dead Redemption 2 unmissable on PC.
Fire Emblem: Three Houses is a masterwork in the strategy RPG genre. Everything about it is honed, polished and customizable in such a way that series veterans and new players alike can jump in and find a staggering amount of fun, challenge and charm.