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The Odin Project is a similar site I've heard great things about, though not tried myself personally.
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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Code Wars is a fun place to try solving problems with code, rather than just building projects. With a never ending supply of interesting problems to solve at every skill level, you can use it for learning, practice, and mastery. Since you can see other people's solutions once you've solved a problem or given up, you'll be able to see perspectives you never thought of.
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Exercism - Scala Exercises
Crowd-sourced code mentorship. Practice having thoughtful conversations about code.
Exercism is a blend of lessons, practice, mentoring, and community surrounding dozens of different programming languages.