There's a list of the Polyhedron d20 mini-games over here. I'm not sure which one that is; my guess would be Hi-Jinx, from Polyhedron #158 (which was also Dungeon #99)?
There's a list of the Polyhedron d20 mini-games over here. I'm not sure which one that is; my guess would be Hi-Jinx, from Polyhedron #158 (which was also Dungeon #99)?