Virus (PlayChoice-10 Prototype)

A later prototype of Dr. Mario called "Virus" for the NES. https://hiddenpalace.org/ Virus_(PlayChoice-10_prototype) Dump status Released Game Dr. Mario System NES Genre Puzzle Release date JP  Jul 27, 1990 US  Oct 14, 1990 EU  Jun 27, 1991 Found installed in an otherwise-unremarkable PlayChoice-10 arcade cabinet in 2012, which was likely used to playtest new NES games at a Chuck E. Cheese's restaurant at one point. Download comes with the original arcade dump and the renamed NES ROM.