Overlord does a better job with grimdark. I'm fond of Log Horizon though S3 sucked. Solo Leveling came out the same time as Weakest Tamer began a journey to pick up Trash, and that was delightful for me.
I think the visceral stuck at the bottom of the ladder feeling was better handled by weakest tamer. A young girl who was forced to run away from home because her village considered her 0-star skill literally a heresy and religious blight.
Unlike Solo Leveling, the Weakest Tamer actually sticks with the plot. She never becomes much more powerful than she was, and instead leverages her relationships / friends she makes rather than literally solo leveling.
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The Isekai / Reverse Isekai genre is literally animes biggest genre right now. There's so so so many better shows out there than Solo Leveling.
But I guess the question is: what do you like about it? Solo Leveling is a passable male fantasy do-it-myself-by-plot-armor always win kind of show. But.... This plot honestly has been done better back by Sword Art Online (and I didn't even like that anime either).
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Jobless Reincarnation, despite all the controversy, is probably the local optimum on that 'Do it myself' / solo leveling / get stronger loop.
Hmmmmm... I'd give either Reincarnated as a Slime or I'm a Spider, So What? As my top picks on this genre / storytelling style. For personal enjoyment. Maaayyyyybe Re:Zero if you're into the body horror stuff that Solo Leveling also does.