Tetr.js

Default Controls:

Controls are configurable

Rotate Left: Z
Rotate Right: X
Rotate 180: Shift
Hold: C
Hard Drop: Space
Shift Left: Left Arrow
Shift Right: Right Arrow
Restart: R

mechanics and features

Tetris Guideline compliant
- Random generator, first bag never spawns Z, S, or O piece first.
- SRS
- Hold
- Piece preview
- Ghost piece
Multiple block skins
Stack outline option
Configurable gravity
60 FPS
DAS and DAS delay settings
Adaptable game size
Last game replay