14. Hide and Seek

Hide and seek is a much beloved game by children all over the world so it’s no surprise that somebody had the idea to turn it into an official sport. In fact, a sports scientist by the name of Professor Hazaki has been lobbying for the “sport” to be included in the Olympics. Hide and seek sport version requires 2 teams of 7 players each to hide and seek within a 65ft x 65ft pitch in a 10-minute game.

15. Hoover Ball

Hoover Ball was invented specifically to keep former US President Hoover fit and healthy. This sport has similar rules with tennis and volleyball but is played with a medicine ball. It was once a really popular sport played by the most powerful men of America.