$18.99
Levels included: 15 Huarong-style sliding block puzzles.
Gameplay: Sliding blocks. Pipe segments are printed on the blocks; the grid has one empty space, and players rearrange the pipeline by sliding blocks up, down, left, or right. Deliverables include standard 2D array tile-swapping source code.
Once digital delivery begins, the user waives the right to a 14-day no-reason return.