ADDED FEATURES

.Add special pushwalls that you must flip a switch or do touchplace to move. 
.Reserve 7 colors just before 255 for special effects (glowing, cycling) 
.Some walls can be blown up 
.Grenade launcher 
.Automap (sort of already programmed, but a little messed up) 
.Shootable items. 
.Bonus items may animate (shine or glow) 
.If memory permits, a scrolling horizon for outside levels. 
.If possible, setting of general darkness of level.  Would require transition from 16 tables. 


Some of these features ended up in the two Blake Stone games, both used the Wolfenstein 3D codebase.