Description:

Unreal is a 1998 first-person shooter game developed by Epic MegaGames and Digital Extremes and published by GT Interactive for Microsoft Windows. Set in a science-fiction universe, the player controls a prisoner whose prison spacecraft crash-lands on a mysterious planet, where they must find a way to escape while combatting the occupying alien empire. It is the first entry in the Unreal game series and was powered by the titular Unreal Engine.

Source: https://en.wikipedia.org/wiki/Unreal_(1998_video_game)