Dungeon Flip: More Skulls for Ulgoth

From publisher blurb: Adventure Framework 43 Dungeon Flip - More Skulls for Ulgoth consists of: A downloadable, bookmarked PDF (13 A4 pages, excluding cover & credits, in both parchment and white backgrounds). The Core Adventure (in this "flipped" advenutre, the players play the monsters and the GM plays a NPC party raiding their dungeon), that will occupy 3-8 hours of session time with Minimal Prep. Rumours & Hooks suggestions.