Mario's Early Years - Fun with Numbers © 1994 Software Toolworks, The
GAME ID: SNS-YR-USA
Released in September 1994 in the USA.
Programmed by: Brian Greenstone, Jeff Davies, Henrik Markarian
Art by: Duncan Knarr, John Root, Jan Sleeper
Directed by: Andrew Iverson, Henrik Markarian
Original Program Design by: Paul J. Melmed (Ph.D), Gaye Slocum (M.S. CCC SLP), Marc J. Roegiers, Cassandra Nordstrand
Original Art by: Erica Benson
Original Music and Sound: Rob Wallace, Sam Powell
Quality Assurance: Buck Irving, Craig Brisgel, Scott Van Schoick, Robert Vance
Game's ROM.