https://rat-in-a-suit.itch.io/we-are-the-land

For over a millennia, you and your coven of immortal guardians have watched over this site of power. This point of magical energy must be protected lest its powerful magics be unleashed upon an unprepared world. But now, a group of mortals have dared to disturb this sacred location and must be taught the error of their ways. 

Your goal is simple: these interlopers must be driven away lest they damage or destroy your home. Whether you choose to gruesomely murder and consume them, bewitch and enslave them, or simply terrify them until they flee—the choice is yours.

This one-page TTRPG is perfect for the spooky season, with rules that can be learnt in under five minutes. Remember, this is your land, and it will not be disturbed.