lambdacalculus having mentioned that he was having some success with ML bindings for SDL a couple days ago, I couldn't help taking his code and playing with it a bit to make the following demo:

(image links to a tarballzip archive with source and windows executable)

It's not much of a game — you just move around with the arrow keys trying to make contiguous blocks of like color — but it works. I can get 469649 points! Many thanks also go to lincoln3 for explaining to me how to install MinGW.

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Ok, now the tarball has an x86 linux binary and source that builds under linux ok if you have MLTon and SDL installed.