Moreover, there is also a Glide wrapper which emulates the 3dfx Voodoo cards' native Glide APIs on top of OpenGL. It supports a lot of games written for Glide, including UT99.
Detailed infos: http://www.zecken....de/glide/
Finally there is also a Direct3D v10 renderer for Unreal Engine 1.x (Unreal and Unreal Tournament). This video renderer requires Windows Vista or later and it works fine on DirectX 11 systems.
Detailed infos: http://kentie.net.../d3d10drv/