During the Galaga demonstration, wait until the Galaga Commander uses the tractor beam. Before it sucks up the ship, press fire and kill it. You now have total control and can play the sample level.
Jupiter's Picross S Namco Legendary Edition includes 30 retro game characters, paying homage to 80s arcade classics like Pac-Man and Galaga. The game offers variety with modes like Mega Picross ...