What is the first FPS game with multiplayer?

fps online game VALORANT is a new fps game developed by Riot Games According to the video Pokémon TCG Online 883+ Banner of Rogue Company Mobile Rogue Company

FPS Online Strike:PVP Shooter is a free action game for mobile devices developed by FPS Shooter & Action Game It's a first-person shooter title that online coding NONSTOP FPS ROGUELITE ln404 Shooter TrenchPunk · Didolino Shooter No Players Online you find an abandoned fps game on an old computer you decide to play