>>15906038In the third room you travel between worlds using the stones. There are two different paths, but either way you have to hop in between worlds a few times to get across. So there are many points where you can change your mind. Or backtrack. It should be all explained in the image
>>15899177Maybe it's confusing because the upper left room comes first, the realist. Then you move on to the upper right room, the dreamer. The final room is actually the bottom two rooms, which you have to navigate together to actually get anywhere. But the last room has two main paths to go through
Although like i said, this was forever ago. Looking at it now it might be too complicated, the actual puzzle here, teleporting twice in the same place. Although that is what got me stuck for so long on Team Rocket's hideout, that exact trick was required. So it needs work