CONTRA character Bill Rizer invades Super Mario Bros. world

In 2010, Exploding Rabbit launched Super Mario Bros. Crossover, a fan-made game that reimagines the classic Super Mario Bros. by featuring characters from other NES games. One highlight is Bill Rizer from Contra, who replaces Mario and unleashes machine gun fire throughout the Mushroom Kingdom. This unexpected gameplay adds a layer of chaos and humor to the beloved platformer, offering a unique twist for players.

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