4-6

4-6 can refer to the following:
 * World 4-6 from various games
 * Level 4-6 from various games
 * Stage 4-6 from Donkey Kong for the Game Boy
 * Fury Volcano 4-6 from Super Princess Peach
 * Room 4-6 from the Mario vs. Donkey Kong series
 * Area 4-6 from Mario vs. Donkey Kong: Mini-Land Mayhem!