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Yume Nikki (ゆめにっき, lit. Dream Diary) is a surreal adventure game by pseudonymous Japanese developer Kikiyama. In the game, players explore the dreams of a hikikomori named Madotsuki, where they encounter a number of surrealistic horror creatures and locations. The game was created using RPG Maker 2003, but has few overall gameplay elements, with the primary objective being to collect items called "effects" to complete the game.

Yume Nikki
The game's title screen
EngineRPG Maker 2003
Platform(s)Microsoft Windows
ReleaseJune 26, 2004
Genre(s)Adventure, psychological horror

The initial version was released in June 2004, with subsequent updates over time; the last occurring in 2007. It was later released on Steam by publisher Playism in January 2018. A 3D reboot, Yume Nikki: Dream Diary, was released the following month. In addition, various fangames inspired by the original game have also been released.



Madotsuki with the bike "effect" equipped, showcasing one of the surreal locations of the game

Players control a hikikomori named Madotsuki (窓付き, lit. windowed) at home in her apartment, the only area she can explore when awake.[1][2] Though the apartment has a balcony, attempting to open the door to the outside world results in Madotsuki simply shaking her head. Her only means of entertainment are a television, which shows a simple test card when interacted with, and a Famicom-style game console with the game "Nasu" (ナス, eggplant). There is a dream diary on a writing desk which the player can use to save data.[3]

After Madotsuki falls asleep, she begins to dream. The player is then presented with a dream world which resembles the same room Madotsuki lives in. In the dream world, the player is able to leave the room, which will lead to a nexus of 12 doors, with each leading to a different world, including a colorful neon maze, a forest, a world littered with numerical symbols, and a world full of body parts, among others. These 12 worlds, in turn, connect to a number of other worlds, forming a large and expansive area for the player to explore. The purpose of the game is for the player to navigate the main character's dream worlds to obtain 24 objects, known as "effects".[4] The player can attempt to interact with objects, although few will provide any response. The player can choose to wake from the dream world at any time, by causing Madotsuki to pinch her cheek and awaken. This behavior ensures that the player has a way out of the dream world at all times.

There is no way to encounter a game over in the game, though enemies do exist in the form of NPCs that can teleport the player to inescapable areas, forcing them to wake up or use an effect to return to the nexus. Such NPCs include bird-like humanoid girls with beaks for mouths, called "Toriningen" (鳥人間, lit. Bird People), who will chase after Madotsuki.

Release and receptionEdit

Originally a little-known game that became popular on the Japanese forum 2channel, the game gained a following outside Japan after an unofficial English translation was released. After gaining a cult following on 2channel, popularity of the game quickly increased by viral means among Japanese players. The first public release of the game took place on June 26, 2004, as a demonstration preview of an incomplete game.[2] With each following version from 0.01 to 0.09, new features and content were progressively introduced, along with various bug fixes.[5] The latest version, 0.10, featured general bug fixes and became available on October 1, 2007.[2] Over a decade later, the game was released on Steam by publisher Playism on January 10, 2018.[6][2]

Independent game designer Derek Yu enjoyed the game, comparing its visual theme to EarthBound and stating "The lack of dialogue or any action fills me with this strange sense of dread."[7] Gamertell's Jenni Lada scored the game 85 out of 100.[8] She praised the unique premise, distinct art style and abstract gameplay which evokes a "dream world experience". Lada noted the geometry of the dream areas, which allows for loops and exitless rooms, and found that it could be "winding and confusing". Whilst she warned that it won't be to everyone's tastes due to "dark or graphic imagery" and found the ending to be disappointing, she concluded that Yume Nikki was worth experiencing. Kotaku's John Jackson praised the game for its ethereal dream-like setting and its non-linear gameplay mechanic, stating, "Out of every game about dreams, this is the one that probably comes closest to actually resembling one."[9] He goes on to argue the game's limitations and vast, undefinable architecture forces the player to question their surroundings and the significance of the smallest actions and events that confront them.

The game inspired a large number of fangames with a similar style of gameplay, such as Yume 2kki and .flow.[10] The game's structure was also a major influence on Lisa the First, predecessor of Lisa: The Painful, as well as Undertale.[11][12]


Various merchandise based on the game has been released under the "Project Yume Nikki" brand.[13] The game was adapted into both a manga and a light novel. The light novel is titled Yume Nikki: Anata no Yume ni Watashi wa Inai[14], and was written by Akira.[15] The title was licensed for digital distribution in the English language by J-Novel Club.[16] The manga was illustrated by Hitoshi Tomizawa, and was serialized in Takeshobo's web manga magazine Manga Life Win+ from May 2013 until March 2014.[15][17] A Vocaloid album, entitled Yumenikki no Tame no Waltz[18], was released on April 27, 2013.[19] A two-volume official soundtrack, featuring all the original tracks for the game, as well as ten arrangements by doujin group INFINITY∞, was published in Japan by Glaive Music on August 31, 2014. A two-volume version of the soundtrack was also released on iTunes and Amazon Music in 2014.[20][21] An app version of the Nasu minigame was released for iOS and Android devices in November 2013.[22]

A 3D reboot of the game, Yume Nikki: Dream Diary, was released for Windows on February 23, 2018. It was developed by Active Gaming Media under supervision and cooperation from Kikiyama, featuring some unused design concepts from the original game.[23][24][25] It was revealed after a two week countdown on Kadokawa Corporation's website following the release of Yume Nikki on Steam.[2][6] It was also released for the Nintendo Switch on February 21, 2019.[26]


  1. ^ W., Tim (April 7, 2008). "Freeware Game Pick: Yume Nikki (Kikiyama)". Retrieved June 21, 2009.
  2. ^ a b c d e Muncy, Julie (January 23, 2018). "The Mysterious Japanese Game That Took 14 Years To Officially Come Out". Wired. Retrieved January 24, 2018.
  3. ^ Denby, Lewis (April 2, 2009). "Understanding Yumme Nikki". WordPress. Retrieved July 25, 2009.
  4. ^ Rochelle. "Gaming Pixie Reviews >> Game Review: Yume Nikki". Gaming Pixie. Archived from the original on January 24, 2013. Retrieved July 22, 2010.
  5. ^ Bug fix history ‹See Tfd›(in Japanese), Kikiyama official website. Retrieved June 5, 2011.
  6. ^ a b Frank, Allegra (January 10, 2018). "A disturbing cult classic finally hits Steam, with a follow-up on the way". Polygon. Retrieved January 10, 2018.
  7. ^ Yu, Derek (April 9, 2008). "Yume Nikki". TIGSource. Retrieved June 21, 2009.
  8. ^ Lada, Jenni (April 22, 2009). "Gamertell Review: Yume Nikki for PC". GamerTell. Archived from the original on July 29, 2010. Retrieved February 2, 2018.
  9. ^ John Jackson (May 5, 2010). "Every Day the Same Dream Diary". Kotaku. Retrieved July 22, 2010.
  10. ^ Zavarise, Giada (October 28, 2017). "The horrifying legacy of Yume Nikki, the homebrew game that became a phenomenon". PC Gamer. Retrieved November 1, 2017.
  11. ^ Rad, Chloi. "Cult Horror Game Yume Nikki Hits Steam, New Project Teased". IGN. Retrieved July 12, 2019.
  12. ^ Jackson, Gita. "The Horror Game Developer Who Disappeared For A Decade". Kotaku. Retrieved July 12, 2019.
  13. ^ "Yume Nikki to wa?" ゆめにっきとは? [What is Yume Nikki?]. Project YUMENIKKI (in Japanese). Archived from the original on November 7, 2016. Retrieved April 14, 2018.
  14. ^ ゆめにっき —あなたの夢に私はいない—, "Dream Diary: Inside of Your Dream, I Am Not There"
  15. ^ a b Nelkin, Sarah (January 3, 2013). "Yume Nikki Surreal Horror Game Gets Novel, Manga Adaptations". Anime News Network. Retrieved May 14, 2013.
  16. ^ Ferreira, Samantha (November 1, 2017). "J-Novel Club Acquires Yume Nikki, Ao Oni Light Novels". Anime Herald. Retrieved November 1, 2017.
  17. ^ "Manga Jōhō" 漫画情報 [Manga Information]. Project YUMENIKKI (in Japanese). Archived from the original on November 7, 2016. Retrieved April 14, 2018.
  18. ^ ゆめにっきのためのワルツ
  19. ^ "Ongaku Jōhō" 音楽情報 [Music Information]. Project YUMENIKKI (in Japanese). Archived from the original on November 16, 2016. Retrieved April 14, 2018.
  20. ^ "Yumenikki Sound Tracks, Vol. 1: Yu Me No Oto". iTunes. Retrieved August 1, 2015.
  21. ^ "Yumenikki Sound Tracks, Vol. 1: Yu Me No Oto". Retrieved August 1, 2015.
  22. ^ "Apuri Jōhō" アプリ情報 [App Information]. Project YUMENIKKI (in Japanese). Archived from the original on September 1, 2015. Retrieved August 1, 2015.
  23. ^ Jenni (January 24, 2018). "Yume Nikki: Dream Diary Set For February 23, 2018". Siliconera. Retrieved January 24, 2018.
  24. ^ Romano, Sal (January 25, 2018). "Yume Nikki: Dream Diary is a 3D reboot, launches for PC on February 23". Gematsu. Retrieved January 25, 2018.
  25. ^ Rad, Chloi (January 24, 2018). "Yume Nikki: Dream Diary Revealed, a 'Reboot' of 2004 Cult Horror Game". IGN. Retrieved January 29, 2018.
  26. ^ Rad, Chloi. "Yume Nikki: Dream Diary Launching on Nintendo Switch". IGN. Retrieved February 17, 2019.

External linksEdit