Here is the full list of all 30 True Fear: Forsaken Souls achievements.
Finish all hidden object scenes without using any Hints.
Solve all puzzles without using Skip.
Finish two Acts without using the Hint.
Finish all Acts without using Hints.
Finish the Bonus Chapter without using Skip.
Play non-stop for 3 hours.
Finish the game without stopping.
Find all collectible figurines.
Find every Fact in the main game.
Finish the main game on Expert difficulty.
Earn all Achievements.
Finish the Bonus Chapter without stopping.
Finish Bonus Chapter.
Find all the Facts in the Bonus Chapter.
Find Jack.
Finish the main game.
Find half of the collectible figurines.
Discover what's underneath the house.
Find every Fact in one Act.
Discover Mother's secret behind the carved door.
Finish 5 hidden object scenes without using any Hints.
Play non-stop for an hour.
Finish one Act without using the Hint.
Find Heather.
Solve 5 puzzles without using Skip.
Find one collectible figurine.
Finish a hidden object scene without using any Hints.
Find Katie.
Solve a puzzle without using Skip.
Find a Fact.