Like most NES games, there is no way to save your progress in Super Mario Bros.
Chat with our AI personalities
Pause the game and select either "Save and continue" to save your progress and keep playing or "Save and quit" to save your progress and stop playing.
In Super Mario World 2: Yoshi's Island, The game autosaves after you finish a level.
You have to get red flags on the level next to it.
On the original hardware, you can't. But through emulation, you can.
have super skills and amazing luck. or if you're playing on an emulator, save states