It's finished! Corrections are welcome!
You should earn the following level related achievements while following this guide:
Level 1-1: Right, Up, left.
Level 1-2: Right, Up, Down
Level 1-3: Left, Up, Right, Down, Left, Right,
Level 1-4: Up, Right, Down, Left, Up
Level 1-5: Right, Down, Left, Right
Level 1-6: Left, Down, Right, Up.
Level 1-7: Left, Up, Right, Down
Level 1-8: Down, Right, Left, Up, Right, Down, Right, Up, Left
Level 2-1: Up. Left, Up, Left, Up, Right, Up, Left
Level 2-2: Right, Down, Up, Left, Down, Up, Right, Down, Right, Up, Right, Left
Level 2-3: Down Up Right Down Left Right Up
Level 2-4: Up Right Down Left Up Right Up Right Down Left Right Up
Level 2-5: Down Right Left Up
Level 2-6: Right Up Left Down Right Up
Level 2-7: Down Right Up Right Down Left Up
Level 2-8: Up Left Down Right Up Left
Level 3-1: Down Right Down Right Left Up Right Down Right Left Down Left Right Down.
Level 3-2: Right Down Right (Left Down Right) x 3 Up Left Right Up Left
Level 3-3: Right Down Right Down Right Down
Level 3-4: Down Right Down Left Down Left Down Right Down Left
Level 3-5: Down Right Up Left Up Right Up Left Down
Level 3-6: Up Left Right Down Left Up Right Down Right
Level 3-7: Left Right Down Up Left Down Right
Level 3-8: Down Up Left Down Right Down Right Down Left
Level 4-1: Right Down Right Left Up Left Right Up Right Left Up Right
Level 4-2: Right Down Right Up Left Right Down Left Down Right Down Right Left Up Right
Level 4-3: Right Down Up Right Down Up Left Up Down Right Left Up
Level 4-4: Left Down Left Down Left Up Left Right Down
Level 4-5: Right Down Up Right Left Down
Level 4-6: Right Up Left Down Right Down
Level 4-7: Left Down Right Up Down Left Up
Level 4-8: Up Down Right Down Left Down Right Left Up
Level 5-1: Left Up Down Right Down Left Right Up Left Down Right Up Down
Level 5-2: (Down Right Up) x 3 Left Up Right Up
Level 5-3: Right Up Down Left Down Left Up Right Down Right Down
Level 5-4: Right Up Down Left Down Left Down Up Left Down Right Down Left Down Left Up Right
Level 5-5: Left Up Left Right Up Right Up Right Down Left Right
Level 5-6: Up Left Down Left Right Down Left Up Right Up
Level 5-7: Down Right Left Up Up Right Down Left Right
Level 5-8: Right Down up Right Up
Level 6-1: Up Right Down Left Down Left Down
Level 6-2: Up Left Up Left Up Right Up
Level 6-3: Right Left Right Left Right Left
Level 6-4: Left Right Down Up Right Left Down
Level 6-5: Left Up Right Down Left
Level 6-6: Up Right Down Up Right Down Down Right Up Down Right Up Down Right Down Right Down Right Left Down
Level 6-7: Right Down Left Up Right Left Up Left Down Left Down
Level 6-8: Right Down Right Up Left
Level 7-1: Right Left Down Right Down Up Left
Level 7-2: Left Right Left Down Up Down Left Right Left Down Up Down Right
Level 7-3: Right Left Right Down Right Up Right Down Right Up Left Right Left Down Left Right Left
Level 7-4: Right Left Down Right Left Right Left Right Up Left Right -- Up Right Left Down Left Right Up Right
Level 7-5: Right Down Right Down Left Down Left Right Down Up Right Up Left Right Down Up Left
Level 7-6: Up Down Up Left Right Left Right Down Up Down Up Right Left Right Up Right Left Right
Level 7-7: Up Left Down Left Down Left Down Right Down Right Down Left Up Up Left Up Right
Level 7-8: Right Up Up Right Up Left
Level 8-1: Left Up Right Left Down Right Up Right Down Left Down Left Up Right Left
Level 8-2: Up Left Right Down Left Up Right Right Up Left Down Left Right Left
Level 8-3: Left Down Left Down Right Down Right Left Up Right Up Right Up
Level 8-4: Right Up Right Down Right Up Right Down Left Down Right Right Up Left Down Left
Level 8-5: Left right Left Up Right Left Down Up Left Up Right Up Right Down Left Down Right Down Right Up Left Up Up
Level 8-6: Left Right Up Right Up Right Up Down Up Right Up Right Up Up Right Up Left Right Up Right Down Up Right
Level 8-7: Up Left Up Down Up Right Left Right
Level 8-8: Down Left Right Down Up Up Up Right Up