. "Um Jammer Lammy"@en . . "The arcade version, Um Jammer Lammy NOW!, was made in collaboration with Namco and featured updated visuals and a modified song list. The arcade machine also featured a special guitar controller, and some of the levels were modified to make them easier to play."@en . . "The arcade version, Um Jammer Lammy NOW!, was made in collaboration with Namco and featured updated visuals and a modified song list. The arcade machine also featured a special guitar controller, and some of the levels were modified to make them easier to play."@en . . . .