A free program for Android, by PreLoad.
Tetrio is a new and entertaining puzzle game with a unique style. It is very easy to play and enjoy, but at the same time, it is full of fun challenges and will definitely make you a better player. The game is designed for all age groups and all genders, and it is very easy to play and learn.
The game consists of many different themes and game modes. Some of them are cosmic voyage, 3D environment, and puzzle genre combined with the arcade style, and many more. Each of these modes has its own difficulty level and gameplay. You can choose what kind of control mechanism you want to play.
The game uses the four primary life elements in its design, which shows its support for environmental protection.