Near the end of the game, you are in a tomb with infinite doors. You
have to find the correct series of doors to progress. Go to the
landscape view. Always start at the door with the face above it and go
clockwise. The order is:

1.Fourth door from the entrance
2.Seventh door from the entrance
3.Third door from the entrance 

After you have successfully done this you will be taken to the second
level of this room. It is almost the same, just with more doors. 
The order is:

1.Fourth door from the entrance
2.Ninth door from the entrance
3.Fifth door from the entrance 

An intermission sequence will then follow.
In the circular room you find in the tomb, there are doors that you must
enter in the correct order, or be teleported back to the start. One way
to make sure you go through the correct door is to listen carefully.
When you are in front of the next door that you need to enter, you will
hear the sound of trickling water. This indicates that you are standing
in front of the correct door. Repeat this until you have solved the maze.

When you are almost at the end of the game, you will be trapped in a
room with a lot of doors. Every time you go in one, you end up back
where you started. An easy way to find the correct doors is to run by
the doors until you hear a splash of water. As soon as you do, stop and
go into the door. Repeat this three more times and you will be at the
second set of doors. Do the same thing four times and you will pass the
level.