Mario Bros. Clone Released For Atari 2600
YokimaSun writes "The world of Homebrew Coding never ceases to amaze, even on an old system like the Atari 2600 a coder over at the Atariage forums has released a clone of the original Nes game Super Mario Bros with video, which has the first level from the classic game and eventually will have the first four worlds. Equally as impressive is this 3D Mario game written for the Sega Saturn."
I wouldn't proclaim the clone as being done. I watched the demo video and read some of the authors notes. There are some distinct differences that make it not quite a clone. Only one enemy on the screen at a time, automatically getting whatever is in the yellow blocks when they are hit (and they then disappear), no star power. The only enemy I saw was a goomba. It plays remarkably like SMB, but not enough that I would say SMB has been cloned to the 2600.
Mario Bros != Super Mario Bros != Super Mario World
Also, this is far from being a clone...
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Interesting note: the shield was formed by reading the game code as data (for perceived randomness). So when you look at the shield, in some sense you're looking at the source assembly code. Matrix-style.