: Manipulate falling geometric shapes ( Tetriminoes ) to create solid horizontal lines.
It sounds like you're asking for a (tetromino) in the context of "eChalk Tetrus" — an educational/browser-based Tetris-style game. echalk tetrus
Unlike commercial versions, this iteration is designed specifically for , prioritizing accessibility, lack of advertisements, and compatibility with interactive whiteboards and mobile devices. Key Features of eChalk's Tetriminoes : Manipulate falling geometric shapes ( Tetriminoes )