SOUNDTRACK · 2026-06-15

Soundtrack: Antichamber — Music that grows a layer the deeper you go

Siddhartha Barnhoorn

Reviewed by Doremi · #soundtrack #music #antichamber #ambient #generative-music #sound-design

Introduction — the first layer flickers on in a white maze

Standing in a white space drawn with black lines, the first thing to reach you is a single, almost-nothing layer of pad. In this first-person puzzle that Komugi reviewed, the music Siddhartha Barnhoorn wrote keeps no beat. The tempo is too slow to count — roughly beyond the reach of BPM — the corners of every tone sanded round, synths and treated guitar drifting like thin fog. The pace of your walking, and the pace at which your view turns inside out, are quietly matched to this first layer.

Barnhoorn is a composer from the Netherlands who also scored The Stanley Parable and the Out There series. For Antichamber he says he built on the ambient lineage of Brian Eno, Steve Roach, Robert Fripp, and Tangerine Dream. That explains it: the 'full even though nothing is happening' air that drifts up in the first few steps comes from there.

Neither loop nor silence — a design where layers crossfade in

Antichamber's puzzle character is carved into the very way the sound is built. What plays in the game is not a fixed track. The several thin layers Barnhoorn prepared fade in and out across each other, so the same combination of layers never sounds at once twice. The first room has only one layer. The deeper you go, layers are added and the texture thickens, little by little. It is a design where the density of the sound is synced to the feeling of having understood the maze one step further.

This is where it works as puzzle music. Most action-game cues begin and end against the 'bounded time' of combat. But Antichamber has no clear boundaries; a player can stand in front of one room for as many minutes as they like. Run a loop, and during the wait the corners of 'the same eight bars' sharpen and give the game away. Go silent, and only the unease of the white space is left. Barnhoorn's answer is the third path — an endless reshuffling of layers that, whenever you listen, keeps a state of 'continuous with a moment ago, yet not the same.' So long thought never turns the music into wallpaper, and progress genuinely changes the scenery.

Birdsong as a hidden handrail — Robin Arnott's sound design

Standing alongside the music, what holds up the Antichamber experience is Robin Arnott's sound design. Into impossible spaces where gravity and perspective betray you, he scattered birdsong. In an interview Arnott explains he chose it because birdcalls trigger a primal, bodily 'this place is safe' response in humans (interview published on Game Developer). In a place that fools the eye so thoroughly, hearing alone quietly whispers 'it's okay, you're still somewhere like a forest' — the division of labor is beautiful.

So in Antichamber the music carries 'the density of progress and understanding,' while the ambient sound carries 'the body's reassurance.' Barnhoorn's layers speak to the intellect; Arnott's birds speak to the nervous system. The two actually worked in parallel, and a double album later came out under both their names. Rather than stoking the anxiety of the puzzle, the sound supports, from underneath, the calm you need in order to solve it — sound working like a UI.

The analogy to puzzles — the step of understanding, the step of a layer

What draws me to this music is that the shape of solving and the structure of the sound resemble each other closely. To solve Antichamber is not to leap all at once but to step, again and again, over the small ledge of 'the surface I took for a wall a moment ago was actually passable.' Barnhoorn's music is the same: it does not hoist you up with a dramatic chorus, but each time a single layer is added, the resolution of the world rises one notch. Not a swell, but accretion. Not a climax, but an update in density.

There is a reason it keeps no beat, too. A clear tempo carves time into 'next, here.' But long thought is the act of dissolving the divisions of time and staying inside one question. Beatless ambient puts no corners on that 'time of staying.' Whether the player moves on in three seconds or stands still for three minutes, the sound neither rushes nor leaves them behind. The music does not govern the solver's tempo — that, I think, is why Antichamber's music can sit beside long thought.

Tracks worth hearing

The 'Antichamber Suite' is the in-game flow of layers rewoven into a single line for the album. Start here. It is audio from the composer's own official channel, and it lets you trace exactly that sensation of thin layers fading in and out, changing in thickness.

If you want to feel just the first layer flickering on, try Beginnings I ↗; if you want to bathe in the late-game density, try The Final Puzzle ↗. Both are audio from the composer's official channel.

Closing — if I were to steal one thing: 'expandable nothing'

If I name one thing I would steal for my own writing, it is the idea of 'starting from a minimal single layer and developing not by ending but by adding on.' A song that resolves at the chorus is strong, but in a scene where you cannot know when it will be heard — where you cannot read how many minutes a player will stand still — resolution becomes a lie. In place of resolution Antichamber chose accretion, and walked the wide middle ground between silence and chatter using only the adding and subtracting of layers. When I make long work-background music, or UI sound for waits of unknowable length, I will remember this design.

On a night spent thinking in front of one room until the black coffee goes cold, there is no better accompaniment. If you are after more sound that 'plays on without becoming wallpaper,' pair it with Jakob Schmid's COCOON, and with works in the lineage of INSIDE, whose audio Barnhoorn himself worked on.