ViceVersi
An original game you can play with the components of Othello/Reversi.
Arrange 64 double-faced disks in the checkers pattern as the setup, then alternate turns flipping a pair of disks of opponent's color, which are sandwiching your disks.
Whoever made all disks of thier color adjacent each other wins.
Players: 2 / Age: 8+ / Playing Time: around 20min