Plouf! is a top-down game where players sit on floats, trying to sink the 
other players by throwing sea urchins at them. "Plouf!" is the French 
onomatopoeia for the sound made by an object when it falls into a liquid.

Found on the author's website:

https://agateau.com/2013/plouf/

This is free software, distributed under the GNU GPL v3. The AMOS source code
is available as a separate download or on Github:

https://github.com/agateau/plouf

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