ID. Software is a video game development company known for creating iconic first-person shooter games. Founded in 1991, it played a significant role in popularizing the genre with titles like Doom and Quake. The company is recognized for its innovative use of 3D graphics and multiplayer gaming. In addition to game development, ID. Software has contributed to the gaming industry through its technology, including the id Tech game engine. This engine has been used in various games and has influenced many developers, making it a cornerstone of modern game design and development.