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: about 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

The one I knew was called Powder Game[1]. I used to play it a lot in the elementary school computer room. [1] https://dan-ball.jp/en/javagame/dust/. - Source: Hacker News / 11 months ago

Powdertoy and this https://dan-ball.jp/en/javagame/dust/ are nostalgic as fuck for me. I remember wasting time in class playing these games. Source: about 1 year ago

Reminds me of Powder Game but 3d -https://dan-ball.jp/en/javagame/dust/. Source: about 1 year ago

This reminds me of the powder game. Source: about 1 year ago

This game takes me back. I used to play it here back in the day: https://dan-ball.jp/en/javagame/dust/. Source: over 1 year ago