October 2, 2008. The doujin circle Katatema released a free game called Irisu Syndrome!. Exactly eighteen years later, on October 2, 2026, the game's original soundtrack arrives on Spotify, Apple Music, YouTube Music, Amazon Music and other major services. The music is by watson, and this is the first official release of the soundtrack in the eighteen years since the game came out. The fact that the release date matches the game's own launch date feels like a small gift to the fans who have waited all this time.

Downbeat Piano Behind an "Instant-Death Physics Puzzle"

Irisu Syndrome! is a freeware falling-block puzzle game by creator Tetsu. You click to fire white blocks, knocking the colorful blocks raining down from above off course so that blocks of the same color collide and vanish. The game runs on the Box2D physics engine, so the way the blocks ricochet feels almost like billiards. Blocks that reach the bottom drain a gauge, and when it runs out the game is over. Each time your score reaches a certain point, the story moves forward a little — and one particular moment in that story left such a strong impression on players that the game has been passed down as a cult classic (that part is strictly spoiler territory, so if you haven't played it, go find out for yourself).

A review on Vector at the time noted that "the BGM also matches the world of the game," and anyone who remembers this game probably remembers its quiet music along with it. Look at the track titles published as BGM for the expanded edition Irisu Syndrome! Metsu, distributed at Comic Market in December 2009, and the atmosphere comes through clearly: "Staring at the Ceiling for About 10 Hours," "I Didn't Talk to Anyone Today Either," "Zero Incoming Calls," "I Thought I'd Like to Be Made Into a Girl Like That." They are all "downer" pieces built around piano, and the titles alone convey the temperature of a lonely room. Behind the flashy puzzle screen, the music always stood on the side of solitude.

20 Tracks: 15 Originals, 4 New Re-arrangements and 1 Bonus

Here is what the soundtrack contains.

  • Original BGM: 15 tracks (the music exactly as it played in the game)
  • BGM re-arrangements: 4 tracks (newly produced, hi-res compatible)
  • Bonus track: 1 (the gameplay BGM from Ai to Yuuki to Kashiwamochi Kai)

Twenty tracks in total. The four re-arrangements are the obvious highlight. The official announcement promises they offer "a different kind of appeal from the original versions," which means this isn't simply a polish of the eighteen-year-old sounds — it's a "2026 edition" in which today's watson faces the same melodies once again. The sound you once heard through PC speakers versus the same music re-recorded in hi-res: that difference may be the very texture of those eighteen years.

The "Ceiling" Song That Played at Preschool Nap Time

watson is also the operator of MusMus, a free BGM and music asset site whose tracks can be used even commercially. A great many people have surely heard his music in YouTube videos, games and streams without ever registering his name. In other words, watson is the kind of composer whose sound reaches people before his name does.

A story reported by Game*Spark in January 2023 captures this perfectly. An overseas gamer and cosplayer, Lunar Phoenix, posted that they had been playing "Staring at the Ceiling for About 10 Hours" for children at a childcare facility during nap time — lamenting that "it's such a beautiful, soothing piece, yet nobody knows where it comes from." watson replied: "My music is being played in some foreign land I don't even know, and children are listening to it half asleep... it warms my heart." The episode was also cited in the news of this soundtrack release as one of the things that pushed it forward.

With an unofficial English patch in circulation, and even Traditional and Simplified Chinese and Spanish versions in existence, Irisu Syndrome! has always been a game played across borders. Yet for eighteen years there was no official way to carry just the music around. Being able to hear that piano through earphones without launching the game — how many people have been waiting for something so simple? On October 2, the answer will come the moment they press play.

GBmedia Listening Notes

Game music keeps playing at the edge of your hearing as looping BGM while you play, and only when it is released as audio can you face each piece head-on as a song. The music of Irisu Syndrome! is, I think, especially marked by that gap. The shadows in the harmony and the small changes hidden inside the repetition — things you never noticed while desperately clearing puzzles back then. We recommend listening in this order: let the 15 originals bring back your memories, check out "today's sound" in the 4 re-arrangements, and finish by touching the air of another work from the same circle in the bonus track. For a night spent staring at the ceiling for ten hours, there is probably no better music.