A first-person shooter (FPS) is a video game genre centered on gun fighting and other weapon-based combat seen from a first-person perspective, with the player experiencing the action directly through the eyes of the main character
. This genre shares multiple common traits with other shooter games and falls under the action games category. Since the genre's inception, advanced 3D and pseudo-3D graphics have proven fundamental to allow a reasonable level of immersion in the game world, and this type of games helped push technology progressively further, challenging hardware developers worldwide to introduce numerous innovations in the field of graphics processing units
. Multiplayer gaming has been an integral part of the experience, and became even more prominent with the diffusion of internet connectivity in recent years
. Wolfenstein 3D (1992) is credited with creating the basic concept of the first-person shooter genre, and Doom (1993) is considered one of the most influential games in the genre's history
