1-4

1-4 can refer to the following:
 * World 1-4 from various games
 * Level 1-4 from various games
 * Stage 1-4 from Donkey Kong for the Game Boy
 * Classic World 1-4 from Super Mario Advance 4: Super Mario Bros. 3
 * Ladida Plains 1-4 from Super Princess Peach
 * Room 1-4 from various games
 * Chapter 1-4 from Super Paper Mario
 * Area 1-4 from Mario vs. Donkey Kong: Mini-Land Mayhem!
 * 1-4 Remix (Castle), a sample course in Super Mario Maker

1-4