A non-participatory arena for up to eight people. Switches open doors at either end, freeing "teams" of monsters (bobs and S'pht'Kr on one end, everyone else on the other). The point, I guess, is to bet on the outcome... Latest update tweaks physics models, increases monster movement, adds a second level. Here's a hint: At normal difficulty, without juggernauts, the S'pht'kr clean up. Add juggs to the mix, and, well...