Each square piece has a number on each side. Position the pieces on the left
side of the board so that the same numbers are next to each other. If the
numbers don't match, you can't put the piece there. Move quickly: you're
You can make the game easier or harder by changing the size of the board.
For versions of Ubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf), as well as Ubuntu flavours that don’t include snap by default, snap can be installed from the Ubuntu Software Centre by searching for snapd.
Alternatively, snapd can be installed from the command line:
sudo apt update
sudo apt install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
Install GNOME Tetravex
To install GNOME Tetravex, simply use the following command: