This community project is meant to spread the joy of making and playing slaughter maps.   Release version is on /idgames:   https://www.doomworld.com/idgames/levels/doom2/Ports/megawads/smax   There is a version for coop that isn't included in the idgames release. It still needs some testing and will be released separately.
SlaughterMAX Credits   Project specifications and rules   Final changelist:   RC2 changelist: