An opening in the rock face slides open, and the warriors pour into the bizarre archaeological site. Rough-hewn blocks, cool to the touch, form close tunnels that let fast breaths echo. Light trickles in through a hole in the ceiling, as though something else had gotten here first. Suddenly, the warriors scatter, and adrenaline-tinged shouts drift up through the constant fire of up to 60 laser guns as the explorers tear through the 20,000-square-foot, newly expanded space. As they sprint past shrouded aliens and desiccated palm trees, their suits transmit stats to the outside world, where real-time scoreboards track their prowess and battle-cry harmonies, and plasma monitors display shootouts taking place in the fog-filled arena.