8-9

8-9 can refer to the following:
 * Level 8-9 from Mario & Wario
 * Stage 8-9 from Donkey Kong for the Game Boy
 * Bowser's Villa 8-9 from Super Princess Peach
 * Room 8-9 from Mario vs. Donkey Kong 2: March of the Minis
 * World 8-9 from Puzzle & Dragons: Super Mario Bros. Edition