Royco Minute soup / soupdoku / packaging Posted on 14/03/201130/07/2011 by flowris Posted in Advertising, Graphic Design, packaging, Uncategorized Royco proudly present the “Soupdoku” a small Sudoku, that can be solved in a minute. The soupdocu was part of a series short games printed on the packaging. Share this:FacebookLinkedInTwitterMorePinterestLike this:Like Loading...