Here is the full list of all 18 Mystery Tales: The Lost Hope Collector's Edition achievements.
Persuaded Emmett to help us.
Spend one crystal in the zoo.
You get this award for destroying the monster.
Spend one coin in the shop.
Finish five hidden-object scenes without a hint.
Finish five hidden-object scenes in a row in under one minute each.
You get this award for finding the alchemical crucible.
Release the Priest from under the rubble.
You get this award for freeing Annie.
Finish three hidden-object scenes without a hint.
Finish three hidden-object scenes in a row in under one minute each.
Find ten items in a hidden-object scene in ten seconds.
Complete three mini-games without skips.
Finish one hidden-object scene without a hint.
Finish one hidden-object scene in less than 1 minute.
Find five items in a hidden-object scene in five seconds.
Find three items in a hidden-object scene in three seconds.
Complete one mini-game in less than 1 minute.