UPDATE #1: The restaurant couldn't give us a formal reservation for space, but I'll be there a little early to try and hold a few tables. We'll have a couple helium balloons so you can find us easier.
Board Room has 20+ types of games to rent at a nominal fee.
Connect 4 $1
Trivial Pursuit $3
Settlers of Catan $3
Cards Against Humanity
Apple 2 Apples $3
... and many more.
"There are more than just board games, though: The two levels contain vintage video games, including Root Beer Tapper, a pinball machine, and sit-down video game tables loaded with dozens of arcade classics, such as Frogger and Burger Time."
Metro and Parking
Closest Metro is Dupont Circle (Red line). Street parking is also available.