Njam is also a free open source game based on classic maze games like Pac-Man. The goal of the game is to eat all the dots while avoiding the obstacles. If you eat one of the power-ups, you gain invincibility for a short period of time. Njam includes an array of levels, level editors, and multiplayer capabilities.
At the command line, type
sudo apt-get install -y njam.
To run the game, type
njamand press Enter. The game should now fill your entire screen.
Njam offers a single-player game, two-player cooperative mode, two-player duel mode, and a 4-player network game. To play a local game, just select One player game or Two player game. You will then select a map and start playing.
Playing a network game is easy as well. If you are hosting the game, just select Host network duel. The other players will need to select Join network...