Grave is an open-world horror game developed by Broken Window Studios, and as part of the ID@Xbox program it has already been announced for Xbox One. Now the game is also confirmed on Sony's PlayStation 4 via the official PlayStation blog, where there's also a description of the "surreal horror game":
"Grave is an open world, procedural survival horror game featuring a fusion between modern horror and classic survival horror gameplay elements. What does this mean? It means that Grave will feature a modern psychological horror story, while still keeping the classic survival horror gameplay found in games such as Resident Evil and Silent Hill."
Grave is scheduled for release on Xbox One and PlayStation 4 in 2015.