Quick prediction / fantasy game. Soccer & F1.
Create a pool with some mates. For Team Sports: Each week pick only one team to win. You may not use that team again in future rounds. Picks that don't win get knocked out. Last one left wins. See who really knows the game.
For Racing Sports: Similar to team sports but for a driver to win they have to finish the race ahead of the driver who was 1 place in front of them on the grid.
Makes the back of the F1 grid a lot more exciting!