Play Tetris Echalk Link -

But their version of Tetris stood out. Unlike the flashy, ad-ridden versions on the open web, the Echalk Tetris game was clean, functional, and blissfully free of pop-ups. It ran smoothly on school networks, required no download, and offered just enough customization (speed, starting level, and grid size) to keep things interesting.

Move the falling block horizontally. Up Arrow Key / X: Rotate the block clockwise. Play Tetris Echalk

Keep one side relatively low to allow for maneuvering pieces. But their version of Tetris stood out

Goal: Create a solid horizontal line, which will then disappear, granting you points. ad-ridden versions on the open web