Professor Layton and the Unwound Future/Hint Coins

The careful detective will discover a large number of Hint Coins hidden throughout London. There are a grand total of 300 Hint Coins scattered throughout the city; hidden in everything from barrels to rooftops. Hint Coins can be tricky to find, as you have to tap on the exact location where they are hidden. Be patient and follow the guide below to find them all. Hint Coins are used to buy hints on tricky puzzles. Each puzzle has three hits available for purchase, and using hints does not decrease the amount of Picarats awarded for a correct answer.

Beware! It is impossible to buy every hint in the game. There are some Hint Coins which can be missed, they will be marked red in the list.

Prologue
You begin with 10 Hint Coins. (Midland Bus Stop) In the yellow parked car (Midland Bus Stop) In the top window of the far left building (Midland Bus Stop) In the bus stop sign (Midland Bus Stop) In the tree on the left (Midland Road) In the circular sign of the left hand shop (Midland Road) In the display items of the right hand shop (Midland Road) In the post box further down the alley (Midland Rd. (Fork)) In the left door's window (Midland Rd. (Fork)) In the pot plant further down the ally (Midland Rd. (Fork)) At the top of the screen, in the window of the middle building (Clock Shop Front) On the steps to the left (Clock Shop Front) In the clock shop sign (Clock Shop Front) On the border of the right side of the archway (Back Room) In the far left clock high on the wall (Back Room) Right hand side of the bottom left cabinet (Back Room) In the orange button on the right <li>(Clock Shop) In the left poster on the left desk <li>(Clock Shop) In a clock on the right hand side <li>(Clock Shop) In the large green clock on the right hand side </ol>