A solitaire games using Icehouse/Treehouse pieces. The original version involved starting with 60 pyramids (4 monochrome Icehouse "stashes") arranged in randomly-colored trees (small on medium on large) in a 5x4 grid. The object to hop pieces to other stacks in the same row or column and end up with monochrome nests (large on medium on small). Score is based on number and pattern of completed nests. The original 5x4 game for four monochrome stashes can easily be extended to 5x5 to accommodate the pyramids that come with five Treehouse sets, which could also be considered a "Volcano set". Also, a Volcano board makes Ice Solo just that much nicer. This page quotes the original 5x4 rules and gives a little more info on the 5x5 version.

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