: It runs directly in the browser, bypassing restricted software installation rules on school computers.
The eChalk version supports standard keyboard inputs and intuitive pointer/touch gestures. Keyboard Key Pointer / Touch Gesture Left Arrow Click/tap to the left of the piece Move Right Right Arrow Click/tap to the right of the piece Down Arrow Drag piece downward Rotate Clockwise Single tap or left-click Rotate Anticlockwise Z or Mouse Wheel Wheel down or right-click Quick flick downward (touch) Gameplay & Objectives Play Tetris Echalk