Get greedy and eat as much of the screen as you can possibly eat. You can not cross over any spaces created by eating previous numbers so you might have to think a little and you might not actually want to get down right greedy.

To install it on pcDuino Ubuntu, run:

$sudo apt-get install greed

Commands:

Arrow Keys: Move
?: Help
Ctrl + C , type " y"  to quit game

Start greed game :

$greed

Full screen play game , just switch to command line

Press Ctrl + Alt + F1
#greed

Screen shots: