Upvotes aren't always a fair representative of a good code. This is the thread for those codes. Do you have a code which has much less upvotes than your other codes, even though you're much more proud of it? Then post that code here!
@James Well, the recursive backtracking algorithm may be slow, but in my opinion it produces the best-looking maze. You can see the algorithm comparison and visualization in TheOtherOne's (IMHO one of the best codes in SoloLearn) masterpiece: