Rat Race is a card game that is played as fast as possible, all players playing cards simultaneously. Each player has a cheese card in a different maze material (stone, brick, wood, and metal). The cheese card is at the bottom of each player's deck. The rest of the cards are parts of a labyrinth made of the four materials. Players flip over their cards and connect to the existing maze, placing their cards wherever possible. The first player to connect his or her cheese card to the maze wins. https://www.thegamecrafter.com/games/rat-race