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The visitor is provided with a list of buttons and no explanations. He is to do his own exploring. Each button releases a set of objects, each moving according to its own set of rules, that can, when a click is held, leave behind colored trails or make colored marks of a different sort. Mildy amusing, maybe more so if you care for abstract expressionism, which is the genre one tends to end up working in with this tool kit, almost inevitably.