How do you do Professor Layton and The Lost Future puzzle 28?

Answer 1

Puzzle No 28: Slot Machine Gun.

Speak with future Luke, find three hint coins, You must have talked to the future Luke, find three more hint coins in the casino.

Please see the related link below for a walkthrough of this puzzle.

Answer 2

Puzzle No 87: Sam's Allowance (US) or Pocket Money Poser (UK)

You will need to have already solved puzzle 85.

Leave the Noodle Shop and go into the toyshop, speak to Dylan.

Answer = Sam's weekly allowance is: Nil: he does not get a weekly allowance..

Please see the related link below for a walkthrough of this puzzle.

Answer 3

Puzzle No 30: Cookie Conundrum (US) or Biscuit Baffler (UK)

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 biscuits will be all gone in 4 minutes.