Frictional Games
Games developed and published

Year
Title
Developed
Published
Platform(s)
Platform(s)
Platform(s)
Platform(s)
Platform(s)
Engine
Year
Title
Developed
Published
Lin
Mac
Win
PS4
XONE
Engine
2007
Penumbra: Overture
Yes
No
Yes
Yes
Yes
No
No
HPL Engine 1
2008
Penumbra: Black Plague
Yes
No
Yes
Yes
Yes
No
No
HPL Engine 1
2008
Penumbra: Requiem
Yes
No
Yes
Yes
Yes
No
No
HPL Engine 1
2010
Amnesia: The Dark Descent
Yes
Yes
Yes
Yes
Yes
Yes
Yes
HPL Engine 2
2013
Amnesia: A Machine for Pigs
No
Yes
Yes
Yes
Yes
Yes
Yes
HPL Engine 2
2015
Soma
Yes
Yes
Yes
Yes
Yes
Yes
Yes
HPL Engine 3
TBA
Secret 1
Yes
TBA
TBA
TBA
TBA
TBA
TBA
TBA
TBA
Secret 2
Yes
-
-
-
-
-
-
-

Question: Who released the HPL Engine 2, and which was used for Soma?
Answer: The HPL Engine 1 was expanded until 2008, but that changed when Penumbra: Requiem was released the HPL Engine 2 was used in the Amnesia series and the HPL Engine 3 was used for Soma.