Twine and SugarCube are available in Brazilian Portuguese. I’ve made a Portuguese tutorial that shows how to recreate Roger Firth’s Cloak of Darkness using SugarCube. Also some useful tricks: https://janosbiro.itch.io/tutorialdesugarcube
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You might want to post that to the r/TwineGames subreddit as well, since a few more people might find it there.
Thanks! 
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