Here are the paths to beat the multi-colored force field room in the middle of the final battle. (Note: This room has 12 sections, starting from top left when numbering them.)

(1)( 2)( 3)( 4)
Exit (5)( 6)( 7)( 8) Entrance
(9)(10)(11)(12)

Use the following paths when the force field is:
Red:(Entrance) 8,7,6,2,3
Orange: 4,8,12,11
Yellow: 7,11,12,8
Green: 4,8,12,11,7,6,10
Blue: 9,10,11,12,8,7,3
Purple: 4,3,7,11,10,9,5 (Exit)