Games Workshop’s latest board game was announced over the weekend with little fanfare, but it’s actually a tremendous value. Warhammer 40,000: Fireteam only costs $49.99, but it packs much of the same kind of drama as the rebooted version of Warhammer 40,000: Kill Team. The $49.99 Barnes & Noble exclusive goes on sale Sept. 11. Here’s how it works, and why it’s a big deal for the famously complex tabletop franchise.