Subcon is a world in Super Mario Bros. 2 that exists in Mario's dream. It was a complete remake of Nintendo's original game, Yume Kōjō: Doki Doki Panic (translated as "Dream Factory: Heart-Pounding Panic").
As a vegetable-filled kingdom ruled by Wart, it features:
- Giant Vegetables
- 1-Up Mushrooms
- Mushroom Blocks
- POW Blocks
- Koopa shells
- Stop Watches
- Crystal Ball
The remake, Super Mario Advance, features two additional items. They are:
- Subcon's name originates from the word "subconscious", since it exists only in Mario's dream.
- This stage makes an appearance in Super Smash Bros. Melee as "Mushroom Kingdom II".