Lights Off is a collection of light switch puzzles. Clicking on a light
toggles it either on or off, but also toggles all the surrounding lights,
too. Your objective is simple: turn off all the lights!
Players who delight in turning off lights will enjoy the huge number of
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.
To install Lightsoff, simply use the following command: