Your in a empty room on the day of DOOM you must travel the facility and DEFEAT! the cyborg! then you will save the earth from doomsday!
(THIS MIGHT NOT BE PLAYABLE IF NOT ON GZDOOM)
If there are any issues you have with this map you can comment and I will try to help
If the map does not load for you in DOOM II you can type in commands map doomsday for it to work!
I only tested this on GZdoom! hopefully it works on others too!