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".
Popeye (video game) Popeye (ポパイ , Popai ) is a 1983 arcade platform game developed and released by Nintendo based on the "Popeye" characters licensed from King Features Syndicate strips and animated shorts. Unlike most platform games, the player cannot jump; the only button is "punch." The game was licensed by Atari for exclusive release in the United Kingdom and Ireland, and featured in an Atari designed and manufactured cabinet. Some sources claim that Ikegami Tsushinki also did design work on "Popeye".