https://arowx.itch.io/dungeon-tank
It's just a rough prototype but extending it into a fun game and building it up into a horror game in time for Halloween would be ideal.
Would it be OK to enter this in the JAM?
PS Managed to make it in a short space of time as it re-cycles modular code from a couple of older projects and used basic 3D blocks so it's only a prototype.