https://alttpr.com/en - A Link to the Past Randomizer
https://earthbound.app/ - Earthbound Randomizer
http://authorblues.github.io/smwrandomizer/ - Super Mario World Randomizer 
https://github.com/Coolcord/Level-Headed - Super Mario Bros. 1 Level Generator
https://www.purezc.net/index.php?page=quests&id=651 - Mirage Island, A Zelda Classic Random Quest