Guide
Level 31 (1º Part 1): "beginner" (it's the hardest one).
Level 32 (2º Part 1): "177349", "910780", "57029351"
Level 33 (3º Part 1): "anomaly"
Level 34 (4º Part 1): just click in the 4 where it says level 34. It will become a 5.
Level 35 (5º Part 1): "neptune"
Level 36 (6º Part 1): "nitro"
Level 37 (7º Part 1): "the dark side of the moon"
Level 38 (1º Bonus Level): "fringe"
Level 39 (2º Bonus Level): "louvre"
Level 40 (3º Bonus Level): "fire"
Level 41 (1º Hard Level): "0000ff","ffff00", "ff0000"
Level 42 (2º Hard Level): "elisabeth"
Level 43 (3º Hard Level): "love"
Level 44 (4º Hard Level): "tip"
Level 45 (5º Hard Level): click the end of the road.
Level 46 (6º Hard Level): "algae"
Level 47 (7º Hard Level): "bufflehead"
Level 48 (8º Hard Level): click on the end of the road that turns right. WARNING: DO NOT CLICK THE TUNNEL OR ELSE YOU WILL BE SENT BACK TO THE BEGINNING!
Level 49 (9º Hard Level): "god"
Level 50 (10º Hard Level): click the image repeatedly.
And that is it.