I have partnered with the developer of the hit language learning game Influent on Steam to provide a free key to two learners for any language of their choosing. And also one key to provide the full polyglot pack for free. It is a very cool experience for learning new languages in a gamified format and a product I am proud to promote among the language learning community! I highly recommend checking it out even if... Source: about 2 years ago

Please don’t make the same mistake as the (otherwise excellent) game Influent: make sure to support the endgame with. Source: about 3 years ago

Oh I found it. It's learn-anything.xyz. Source: about 1 year ago

I think I found something that looks and works like what you described: https://learn-anything.xyz/. If it's not that one then I'd also like to know what it is because it sounds really useful haha. Source: over 1 year ago

This one is my favourite, its not great for everything but most of the time it provides a solid road map to learning something new. https://learn-anything.xyz/. - Source: Hacker News / over 1 year ago

Learn Anything : Community curated knowledge graph of best paths for learning anything. - Source: dev.to / over 1 year ago

You may be thinking of https://learn-anything.xyz/. - Source: Hacker News / over 1 year ago