Here is the full list of all 11 Dread X Collection achievements.
Encounter the true terror
You successfully died in an abandoned tunnel
Secure your heritage
When the Divine Pupa matures, it will remember you.
Legends of the Carthanc Temple
You lost everything.
The Show must go on!
Prolong your childhood one more night.
One soul for another.
Tell your friends! If any are left..
Pay is suspended until further notice.