Wario's Woods is a game that stars Wario as the enemy, and Toad as the main playable character. It is currently avalible on the Wii's Shop Channel. It is notable for being the last game licensed by Nintendo for the NES.
Wario has sent his allies to invade the Mushroom Kingdom. Toad, Wanda, and Birdo plan to defeat the enemies. At the time, these three characters were misfits and were not very popular, and only two of them - Toad and Birdo, actually became popular. Wanda first appeared in the video game Mario and Wario for the SNES.