Does New Super Mario Bros. Wii Have a World 9-9? No—Game Ends at World 8-4

No. New Super Mario Bros. Wii concludes at World 8-4. There is no World 9, let alone a 9-9 level.

Common Confusions

• Super Mario Bros. 3 (NES) – Features a Warp Zone to World 9 ("Warp World") in some versions.
• Super Mario World (SNES) – Has a "Special World" (Star World) accessible after the main game.
• Fan-made levels or ROM hacks – Custom community content.

Post-Game Content

The Wii game includes a Mirror Mode unlocked after beating the game, which flips all levels horizontally for a fresh challenge.