Old Tetris game

have you every played the old version of Tetris game?
I personally had one of these devices …now you can have a unity project version of it … edit it and publish it!

but who made the first version of Tetris?
Tetris (Russian: Тетрис[a]) is a puzzle video game created in 1985 by Alexey Pajitnov, a Soviet software engineer. It has been published by several companies for multiple platforms,

Easy to use

mobile friendly