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