
1) Alexey Pajitnov game 2) DOS game 3) Falling block puzzle game
Found on
https://www.crosswordclues.com/clue/wordtris

Wordtris, stylized as WORDTЯIS, is a Tetris offshoot designed by Alexey Pajitnov and published by Spectrum Holobyte in 1991 for the IBM PC platform. The title was later released for the Game Boy (ported by Realtime Associates) and Super Nintendo game console in 1992. The object of the game is to build words of three letters or more using the tile...
Found on
http://en.wikipedia.org/wiki/Wordtris
No exact match found.