Fans of old-school first-person shooters like Doom, Wolfenstein, or Duke Nukem can enjoy the brand-new Project Warlock, a game that features 60 levels, 5 worlds, 72 enemy types, 38 upgradeable weapons, 8 unlockable spells, as well as perk-based character development. Priced at US$12, Project Warlock is a GOG exclusive title.
https://www.notebookcheck.net/Project-Warlock-is-a-nostalgia-infused-GOG-exclusive-first-person-shooter.338961.0.html