Tetrem is a Chrome add-on developed by Criox Thorn. It is a popup brick game that offers a variety of features to enhance your gaming experience. With Tetrem, you can save your pieces, change the color scheme and controls, and even have the game remember your progress when you close it.

One of the standout features of Tetrem is its customizable controls. By default, the game uses the left and right arrow keys for movement, the down arrow for soft drop, Shift for hard drop, Control for saving pieces, and the up arrow for rotation. However, you have the freedom to change these controls to suit your preferences, allowing for a more personalized gaming experience.

Tetrem also includes a stats bar and score bar, which provide analytics and allow you to track your progress. Whether you're a casual gamer looking for a quick distraction or a dedicated player aiming for high scores, Tetrem offers a fun and engaging gameplay experience.

Overall, Tetrem is a well-designed and customizable popup brick game that offers a range of features to enhance your gaming experience. With its customizable controls and analytics, it provides a fun and engaging way to pass the time on Chrome.