7 Colors

7 Colors (aka Filler) is a Computer strategy game/Puzzle game, designed by Dmitry Pashkov. It was developed by the Russian company Gamos (Russian: Геймос) in 1991. The game was published by Infogrames for MS DOS, Commodore Amiga, and NEC PC-9801. Source: Wikipedia, 7 Colors , available under the CC-BY-SA License.