I know this answer is a very big spoiler but Luke left to go back to his hometown in the Mist Haley also known as the City of Mist. Once the prequels come out, this will all make sense.
Puzzle No 86: The Impassable Gate. Leave the toyshop, walk up and speak to Ward. Please see the related link below for a walkthrough of this puzzle.
Puzzle No 68: Paper Cuts. Leave the Noodle shop and enter the Toyshop. Find three hint coins and speak to Checker. Please see the related link below for a walkthrough of this puzzle
Puzzle No 68: Paper Cuts. Leave the Noodle shop and enter the Toyshop. Find three hint coins and then speak to Checker. Please see the related link below for a walkthrough of this puzzle
Puzzle No 56: Stamps. You will need to have answered puzzle 137 first. Go into the hotel and speak to Becky, Go up the stairs, come back down and speak to Delmora, Leave the hotel after speaking to Delmora, next speak to the Family goon, must have answered puzzle 40. Answer = Stamps 3 and 6 are what you need. Please see the Related link below for a walkthrough of puzzle 56.
Puzzle No 107: Chicken Race (US) / Henclucky Derby (UK) Go up the stairs in the hotel to your room. Walk back down the stairs and leave the hotel Speak to the family Goon. Answer = Chicken E was placed 7th. Please see the related link below.
Puzzle No 115, Hidden In Plain Sight, Prof Layton and the Unwound Future.Please see the Related link below for a walkthrough of puzzle.The plus sign is in the top right hand corner.
Puzzle No 101: Shy Guys and Gals. Professor Layton and the Unfound Future You need to have solved puzzle No 100, Leave the toy shop and walk down to talk to Misha. Please see the Related link below for a walkthrough of the puzzle.
Puzzle No 87:Sam's Allowance. Leave the Noodle Shop and go into the toyshop, speak to Dylan. Answer = Sam's weekly allowance is Zero.
Puzzle No 86: The Impassable Gate. Leave the toyshop, walk up and speak to Ward. Please see the related link below for a walkthrough of this puzzle.
Puzzle No 86: The Impassable Gate. Leave the toyshop, walk up and speak to Ward. Please see the related link below for a walkthrough of this puzzle.
Puzzle No 30: Cookie Conundrum. You will need to have solved puzzle 29, walk into the arcade and speak to Dupree, then go through the door to the left of the goon and into the restaurant, speak to Shipley. When you leave the restaurant, walk down and speak to Minnie, Answer, The Cookies will be all gone in a matter of 4 minutes. Please see the related link below for a walkthrough of this puzzle.
Puzzle No 53. Making Another Cut. Walk up, (you should have visited Scotland Yard first) Go to the clock shop and speak to Cogg, Leave the shop and speak to inspector Chelmey, Talk to Art after you have spoken to the inspector. You must also have solved puzzle No 43. Please see the related link below for a walkthrough of this puzzle.