NOTE: There is a known issue with the most recent entries having screwed-up information and links. Some databases are out of sync and we haven't been able to fix it yet.
It is completely new, not a hack of an existing level. This is my first Doom level, but I think it is very good. There are some tricky parts, and if you are ever tempted to think it is unfinishable, you can watch the demo I have provided.