Hi,   I don't know if it is customary to show off My First Wads1 here, but for the sake of feedback I thought it'd be nice to share what I did.   The map format is UDMF (GZDoom/Doom2), and it runs with GZDoom. I used version 4.6.1 for testing. I don't think the level will run in any other port -- older versions might do it, since I don't use the more advanced features of GZDoom, mostly for the ease of texture alignment. There's a sloped surface in the level, and if I further