Update: Amazon has raised their price; still available at Walmart.

Amazon has the Lords of Waterdeep: A Dungeons & Dragons Board Game for $27.29 - $6.54 (check the "Apply coupon" box) = $21 with free shipping on $25+. Walmart has it for the same price after pickup discount. Excellent BoardGameGeek reviews. Check out this TableTop with Wil Wheaton episode featuring the game.

This board game is set in the fictional city of Waterdeep as you deploy agents, and hire adventurers to complete quests and increase their influence over the city.