UPDATE: I got it, thank you @two!
I got some oreos and they're pac-man themed. So I had a look at the website and you can scan the themed oreos to unlock mazes, and I have done. But one of them just doesn't work. There are two separate ghost oreos and both of them unlock the blinky maze when scanned. So I'm just posting this in the hope that someone can link me the last one so I can complete it. Or if you can name another Pac-Man thing that might be the name of the maze.
The urls are of the format https://scan-play-win.oreo.eu/uk/pre-pacman-game?maze=blinky
The mazes are:
