Now, you'd be forgiven for thinking I'd had one too many bottles of strong ale before writing this (and you'd be right, in
We're no strangers to detective work here at the Junkyard, so naturally I headed to Google to see if there was more info, and lo and behold a Wikipedia entry was presented to me: Demolition Racer has a secret light gun game hidden on the disc!
I'll be honest here. I couldn't be arsed trying to discover how to unlock the thing myself, so I powered up Speud's VMU Tool, copied an 'everything unlocked' file to a VMU and dived into the game. It didn't take long for me to find the 'Big Car Hunter' mode in the extras menu, and after plugging a gun into port D as requested, I was shooting cars like an Olympian taking a piss in a Brazilian gas station. Or shooting fish in a barrel. One of the two. What? Never mind.
Note: the Wikipedia page for Dreamcast light guns also lists Star Wars Demolition as being compatible with the light gun. It isn't. It lets you navigate the menus, but isn't usable in game. Just so you know.