Assault on Belgium Tweet Out of stock. Wishlist Description A small demo game of Udo Grebe Game design games. - BoardGameGeek Details BGID: 11140 Time: 2 minutes Designer: Udo Grebe PrimaryName: Assault on Belgium Players: 2 to 2 Year: 1997 Product Title: Assault on Belgium Mechanics: Hex-and-Counter Ages: 12 and up Publisher: Udo Grebe Gamedesign Category: Wargame, World War II