Hashi is a logic puzzle.Connect islands by horizontal and vertical single or double bridges such that in the end, all islands are connected with the indicated number. Note that bridges may not cross other bridges or go over islands.Note that the solution is always unique.You can get hints when stuck.Different sizes can be played and some further properties of the puzzles may be customized.Now there is also an expert mode where triple bridges are possible.You may choose between two color schemes (white on black or black on white).