i beat Soul Edge in the arcade on one token (after a couple tokens spent on trying characters)
me and friends did X-Men, Simpsons, etc. each once, though i don't remember how many lives were bought on each, it was four player for most of them i think, probably lots of people have done this, but we were like the only ones in our age group in town to do it at the time
me and a friend did beat Aliens v. Predator arcade beat-em-up on maybe like two payments each, like almost 15 years after it came out at some strange still existing random arcade in the mall at Midland, it was seriously like the arcade froze in 1994, virtua fighter, revolution x (the aerosmith shooter), etc.