[Arepo]

Originally Posted by Jake

Only one of the doors actually goes somewhere, so try all the possible magnet color combinations.

But there is only one way to fit into the door. The magnets' levers create 2*2=4 combinations. Two of them make sam&max able to enter the darned two doors, and two others are unusable. And if you turn levers in wrong position, you cannot enter.
I can add that there is also yellow door, and I had managed to open it once. The result was the same as in other cases - they speak something about cheese and maybe they are scared of something.
At last I had observed the brown door, but there seems to be no possible way to get it.