Super Mario Bros. Crossover

Super Mario Bros Crossover NES crossover characters
Super Mario Bros. Crossover is a legendary browser-based fan game that lets you play through the original Super Mario Bros. as characters from other classic NES games. Created by Jay Pavlina of Exploding Rabbit, this game faithfully recreates every level of SMB1 while allowing players to choose from a roster of iconic 8-bit characters including Mega Man, Samus Aran, Link, Simon Belmont, Bill Rizer from Contra, and more. Each character retains their authentic abilities and physics from their original games.
Feature Detail
Developer Exploding Rabbit (Jay Pavlina)
Genre 2D Platformer / Crossover
Platform Browser (Flash, now archived)
Release April 27, 2010
Engine Adobe Flash / ActionScript
Status Complete (v3.1.21)

What Makes Super Mario Bros. Crossover Special?

The genius of Crossover lies in how each character transforms the Mario experience. Playing as Mega Man means you can shoot enemies from across the screen. Samus can morph ball through tight spaces and fire missiles. Link uses a sword and boomerang. Simon Belmont attacks with his whip at an angle. Each character fundamentally changes how you approach the same familiar levels, creating effectively multiple different games within one. The game went viral upon release and became one of the most popular Flash games of its era. It was praised by gaming outlets for its meticulous attention to detail — each character's sprites, abilities, sound effects, and even physics are accurate to their NES originals. Later updates added characters, multiple game skins (SMB1, SMB3, SNES graphics), and difficulty options.

Gameplay and Features

Super Mario Bros. Crossover offers the classic SMB1 experience with a twist:
Super Mario Bros Crossover gameplay video

Frequently Asked Questions

Can I still play Super Mario Bros. Crossover?

The original Flash version is no longer playable in modern browsers since Flash was discontinued in 2020. However, archived versions can be played through Flash preservation projects and emulators.

How many characters are in the game?

The final version (3.1.21) features over 10 playable characters from classic NES games, each with their authentic abilities and gameplay mechanics.

Who created Super Mario Bros. Crossover?

The game was created by Jay Pavlina under the studio name Exploding Rabbit. It was originally released in 2010 and received multiple major updates adding characters and features.