Question: Which group developed the first-person psychological horror video game that the upcoming first-person survival horror video game Allison Road is supposedly a spiritual successor to?

Context articles: Haunting Ground
Nanashi no Game
Visage (video game)
Hellnight
Allison Road (video game)
ZombiU
Outlast 2
Cry of Fear
P.T. (video game)
Techland

Haunting Ground, known in Japan as Demento, is a survival horror video game developed and published by Capcom for the PlayStation 2 in 2005.
 The story follows Fiona Belli, a young woman who wakes up in the dungeon of a castle after being involved in a car accident.
 She quickly befriends a White Shepherd, Hewie, and begins to explore the castle with his aid to seek a means of escape and unravel the mysteries of it and its inhabitants.
 The game shares many similarities with Capcom's earlier survival horror title "Clock Tower 3" (2002), and has been described as a spiritual successor to the "Clock Tower" series.
Nanashi no Game (ナナシ ノ ゲエム , Nanashi no Geemu , lit.
 "Nameless Game" or "The Game with No Name") is a first-person survival horror video game developed by Epics and published by Square Enix for the Nintendo DS.
 The game follows a university student who becomes cursed by the titular role-playing game, which causes people to die in seven days upon starting.
 It was released on July 3, 2008 in Japan.
 A sequel, titled "Nanashi no Game: Me", was later released on August 27, 2009 in Japan, followed by another sequel in 2012.
Visage is an independent survival horror video game in development by SadSquare Studio.
 Similar to "Allison Road", the game is a spiritual successor to "P.T".
 The game ran Kickstarter and Steam Greenlight campaigns.
Hellnight, known as (Dark Messiah ダークメサイア "Dākumesaia") in Japan, is a first-person survival horror video game developed and published by Atlus Co. in collaboration with Konami in 1998.
 The game's popularity was low, possibly because it wasn't released outside Japan and Europe, and received little media attention.
 However, the game did get a small cult following due to the increasing popularity of horror games in recent years.
Allison Road is an upcoming first-person survival horror video game for Linux, Microsoft Windows, OS X by Lilith Ltd and formerly to be published by Team17.
 It was considered to be a spiritual successor to "P.T.", the playable teaser for the cancelled video game "Silent Hills".
 Before being funded by Team17, the game's development was fan-based.
 On 4 June 2016, the "Allison Road" Twitter account announced the game's cancellation.
 On August 22, 2016 an announcement was made on the Twitter account indicating that work on the game had resumed.
ZombiU (known as Zombi on platforms other than the Wii U) is a first-person survival horror video game developed by Ubisoft Montpellier and published by Ubisoft.
 The game was released for the Wii U as its launch game in November 2012.
 In the game, the player assumes control of a human survivor in the midst of a zombie apocalypse in 2012.
 The game features a permadeath system and uses the Wii U GamePad extensively for different purposes, such as scanning the environment and serving as the survivor's inventory.
 "ZombiU" lost its exclusive status when it was released for Microsoft Windows, PlayStation 4 and Xbox One in 2015 as "Zombi".
 The port, handled by Straight Right, adds new melee weapons while removing the multiplayer.
Outlast 2 (stylized as OU⸸LAST) is a first-person survival horror video game developed and published by Red Barrels for Microsoft Windows, PlayStation 4 and Xbox One on April 25, 2017.
 It is the sequel to the 2013 video game "Outlast", and features a journalist named Blake Langermann, along with his wife Lynn, roaming the Arizona desert to explore the murder of a pregnant woman only known as Jane Doe.
 Blake and Lynn get separated in a helicopter crash, and Blake has to find his wife while traveling through a village inhabited by a sect that believes the end of days are upon them.
Cry of Fear is a first-person psychological survival horror video game created by Team Psykskallar.
 Though originally a modification for the video game "Half-Life", it is now a standalone product available on Steam.
P.T. (short for "playable teaser") is a first-person psychological horror video game developed by Kojima Productions, under the pseudonym "7780s Studio", and published by Konami.
 The game was directed and designed by Hideo Kojima, in collaboration with film director Guillermo Del Toro.
Techland is a Polish video game developer and publisher founded in 1991 by Paweł Marchewka.
 They are best known for developing Western-themed first-person shooter "Call of Juarez" (2006) and its prequel "" (2009), as well as first-person survival horror video games "Dead Island" (2011) and "Dying Light" (2015).
 The company is headquartered in Ostrów Wielkopolski in central Poland and has offices in Wrocław, Warsaw, and Vancouver.