The Happening Space, also known as the Green Space or ? Space, appears as a space in the Mario Party series and appears in all boards. The happening spaces are depicted as a green space with a question mark as the space symbol. When a character lands on a happening space, a specific event occurs which depends on the board map that the character is playing on. The events have a wide variety effects that may affect the characters' positions, their coin and star amount, and their number of items. The events may also affect certain aspects on the board like creating new obstacles or introducing new characters to the board.