Fill aquariums with water to match filled cells count shown outside horizontally and vertically. Puzzle contains a grid which is divided in many aquariums which are to be filled with water so that filled water cells count matches the numbers shown for each row and column. Water level in an aquarium must be at the same level across its full width. Aquariums can be filled completely, partially or kept empty. Features - Unlimited puzzles - Save game state to play later - Unlimited undo - Game play statistics