It’s in the repos, but the version there is broken. There is also a version in the AUR, which is also broken.
You could compile it from source code, but it needs an old version of the Boost library, getting it running on Arch is almost impossible.
The easiest way to play it is to use a windoze version and run it with wine.
The Frogatto situation is really dreadful.
Topic about it:
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