They are unlocked when a specific goal is achieved in the game. Each event has five stamps and there is a total of 100 stamps to collect in the game. A list of the player's unlocked stamps is accessible before the sport commences. The list also shows the stamps that have not yet been unlocked and tips on how to unlock them.
Other than playing the sports and increasing your skill level in each event (and having fun!), collecting stamps is one of the main objectives of Wii Sports Resort.
- When all of the Information Points have been collected at all times of day in Flyover mode, a stamp called Wuhupedia is unlocked. The stamp which this wiki is named after!