Who stops the water? Tides - the interplay of ebb and flow. Each player rules one of the tides and tries to use it profitably. But which is stronger? Does the land have the strength to defy the water, or does the final tide carry the day? —description from the publisher (translated) In this card game players build up cascades of moving cards across the playfield in order to get their cards to reach the final destination in the opposite corner.