Bloodcrystal was a capture point Halloween map, which I made for Team Fortress 2, back in 2015. It features lava pits, spikes, bats and pumpkins. The map is a reskin of another map I made previously, which is a non-event version.
Thanks for looking!
View/play the map here: https://steamcommunity.com/sharedfiles/filedetails/?id=529733200