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: