A game apparatus includes a CPU and a main memory. The main memory stores a first character, is capable of storing a second character, and stores a first movement history being brought into association with the first character. The CPU acquires position information indicating a position in which the game apparatus exists, updates a first movement history on the basis of the position information, receives a second character and a second movement history being brought into association with the second character from another game apparatus, and performs processing of writing down a diary and giving a quiz by the character on the basis of at least one of the first character and the second character, and at least one of the first movement history and the second movement history.