Riyechi™ with a twist...
The rules of Superiyechi™ follow those of the original puzzles, except that you need to multiply rather than add.
All of the puzzles will appear as image files in the slideshow.
Right click image to download/save/print.
You can also click on the links for further guidance and solutions to the puzzles.
You will also find interactive versions of some of the puzzles on the Sporcle website.