I emerge holotz-castle in ppc arch and works fine. I think it can be keyworded Reproducible: Always Steps to Reproduce:
The graphics are wrong (looks like and endian bug and the sound doesn't work. I'll see if I can fix these things, but this is not ready for a ~ppc keyword yet.
I've found the endian bug and sent it upstream. I'll update the bug if I get a response.
There is a new version of holotz-castle out which claims to support ppc, could someone check it out and see if they incorporated the fix for the weird graphics?
No, the stuff I sent them was against 1.3.8 (the latest version still). Unfortunately the fixes I sent them were not a complete fix, it only fixed 8bit graphics, some of their resources use 7bit color and those weren't fixed by my patch. The author still hasn't gotten back to me yet. If you want to look into it I can post the "fixes", but like I said, it's not complete.
We'll mark this upstream and mark it ~ppc once upstream fixes it. There's no reason to keep the bug open right now.