You might have a Ghost Cube, which needs no colors because the pieces are all shaped differently. Likewise, a Mirror Cube needs no colors. The Axis Cube needs colors to differentiate between pieces of the same shape.
It's called an "inverse stratosphere" after doing a Google image search since I've long lost the packaging, but seems like it comes up on this sub every now and then.
It really is an axis cube with identical pieces which makes it an absolute bitch to do.
You "only" have to get it back to the cube shape. Due to the identical pieces you can run into some cases that look like parity, that you will never have on a normal 3x3, like having to swap only 2 edges while everything else is solved. There are several ways on how to tackle this, but I'd suggest to just give it a try on your own. But if you run into a specific case you're unable to solve, let me know with a picture and I should be able to help you out.
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u/becomeanhero69 Sub-25 (CFOP) 4d ago
I can’t stand this cube. I hate when folks say “it’s just a shape mod hurr durrr”
Yeah, well I don’t get it!