This is a source code mod for Sauerbraten that adds a Lua scripting environment powerful enough to allow UI customization, handling of various game events, and more.
This tool generates bitmaps from system fonts which can be converted for use in Doom engines supporting zdoom-style "font lumps" by using a utility like "imagetool".
Realism based first person shooter running on the XreaL engine, featuring a single player campaign and online multiplayer gametypes
Discontinued on this engine, feel free to use the code.