Tetris Alta

Tetris Alta is a new tetris game made by Ultima Games.

Virus Tetronimos
When a virus tetronimo falls, all tetronimos will become virus teronimos,

then all the virus tetronimos dissapear.

This only falls if a normal Tetronimo have fall.

Color Mode
This mode is just like normal tetris except for you to get a line all the tetronimos

in the line must be the same color.

Clear Out Mode
In this mode, you have to clear the screen from any tetronimos to get points.