That was cool. But how did you get them to show up during the demo?

press cheat and free select characters for player 1 and player 2

to fight reptile, does it have to be against he CPU?

yes.

I had a VERY early memory of me watching older kids at day camp playing MK1 when I was young, and seeing Reptile in Shang's Throneoom...this is the first time I've ever seen it since

What version is that from? Cus I thought the day camp only had a master system, but the ms version of mk1 has like 2 levels (goro's lair and the pit I think), so unless that's from the Sega CD version...
I'm so confused...

Arcade Version