The protagonist is a female hikikomori named Madotsuki. For a reason which is never made clear, Madotsuki does not want to leave her room, and so the game takes place inside her dreams. The game features no dialogue, and the aim is unclear, except that in order to complete the game you must collect 25 different 'effects', which change Madotsuki's appearance and sometimes grant her new abilities. That's pretty much the extent to which you can define Yume Nikki as a game - rather than a player, you feel like an intruder in Madotsuki's subconscious. Much of the game is spent walking through large, empty areas, occasionally meeting other characters, few of whom can be interacted with, and none of whom speak (with the exception of one set of characters who merely recite digits). Madotsuki cannot die, and the only 'enemies' are freakish 'Toriningen' (bird people) - women with bird heads who chase Madotsuki and banish her to a small 2x2 square room, from which the only escape is to wake up.
The appearance of the game is similar to that of old '80s games like Mother, and this lack of detail and the fact that Madotsuki and the characters she encounters are simple sprites, somehow adds to the eeriness. When meeting a new character, it's sometimes frustrating that they don't speak - some don't do anything, even when you try to interact with them, and yet many of them seem to have their own story. One character, named Poniko by fans, lives alone in a house, and appears to be a hikikomori like Madotsuki. However, she doesn't even notice Madotsuki is there, no matter what you do. This is part of the reason the game is so spooky to play; that feeling of helplessness makes you feel like you're really in a dream - the way nothing really makes sense, and you're always on the brink of understanding, but you'll never actually learn the truth.
The game is somehow charming and relaxing to play, despite creeping you out a lot of the time - or at least, that's how I found it. If you want something fast-paced and full of action, this probably isn't the game for you, but if you want to give it a try, sit back in a comfortable chair, and allow yourself to be absorbed into the world.
The game is freeware, and there's a link to download it below, along with instructions on how to play:
One thing I should mention is that this is version 0.10. This is a complete game, in its tenth incarnation, but there is the possibility that the game could be changed at some point in the future. Not much is known about Kikiyama, the creator, but after being emailed by a fan about whether the game would be updated, he revealed that the game would make it past version 0.10, though it could be a while yet, and it's doubtful whether a v.1.0 will ever be released.
I wasn't aware, until I started doing some research on the game this morning, just how much speculation there is on the internet about this game - what the dreams mean, who Madotsuki is, and why she doesn't want to leave the house. Despite being a short game, it has its own wiki, which includes an interesting page on theories about the game and interpretations of different characters and events. I highly recommend playing the game before visiting it, mostly because it won't make any sense, but also because it's full of spoilers.







