Games Workshop is one of the largest and successful hobby miniatures company in the world. The company began in the UK, but now has sales operations all over the world.
Warhammer is their most popular brand. It's a game where players enact battles using miniature models of warriors and fighting vehicles. The board is a tabletop model of a battlefield which includes buildings, hills, trees, and other terrain. Players take turns trying to battle one another with the roll of the dice.