Excalibur 2555AD is an action-adventure videogame developed by Fish and Tempest, and published by Sir-Tech for both Microsoft Windows 95 PCs and Sony PlayStation console in 1997. Excalibur 2555AD's graphics engine can work in a 3dfx mode. In this scenario Excalibur 2555AD provides the highest quality graphics, using Glide libraries, but it's only available to users with 3dfx accelerator cards.