Doom Builder X 2019.1 - map editor download link alternate mirror Doom Builder X is a map editor forked from CodeImp's Doom Builder 2 by me (Anotak). DBX is intended as a continuation of DB2, in design and spirit. Bugfixes, optimizations, and tweaks to keep DB2 up to date with new formats like EE-UDMF are the goal. I intend to preserve your workflow from DB2, and if anything I change interferes with that, please let me know. DBX can be installed side-by-side with DB2 and will keep track o