As you may know, the v0.4 Doom Alpha was suspected for a long time to have a HiColor mode, which however none was ever able to get to work to the best of my knowledge. Among the various detail modes available in the Alpha, pressing "R" would turn the screen from normal (left) into something like this (right): Many thought this was a broken screen mode, but upon closer analysis, this turned out to be, indeed, the "lost" HiColor mode. In this mode, the Alph