Hmm. Sounds like they're on a post apocalyptic world. Possibly B2 Earth faaaar into the future.
Also, two-player session?
MOBIUS TRIP AND HADRON KALEIDO
(except no, not really)
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You have no time to ponder such questions, as Link has just grabbed a Smash Ball.
http://backloggery.com/herodeltiempo/sig.gif