What open source platform game was modeled after a Nintendo game released in 1985 that required players to rescue Princess Toadstool?
Secret Maryo Chronicles Secret Maryo Chronicles, short: "SMC", is a free, open source two-dimensional platform game. "Secret Maryo Chronicles" has been described as a "Super Mario Bros." clone by "PCtipp".
Balloon Fight Balloon Fight (バルーンファイト , Barūn Faito ) is an action video game developed by Nintendo. The original arcade version was released for the Nintendo VS. System as Vs. Balloon Fight, and its Nintendo Entertainment System counterpart was internationally released in 1986. The gameplay is similar to the 1982 game "Joust" from Williams Electronics. The home Nintendo Entertainment System version was ported to the NEC PC-8801 in October 1985, the Sharp X1 in November 1985, the Game Boy Advance as "Balloon Fight-e" for the e-Reader in the United States on September 16, 2002, and as part of the Famicom Mini Series in Japan on May 21, 2004.