Circuits

My instinct with a game this old and this small is to expect something half-finished, a proof-of-concept dressed up as a product. Circuits surprised me. Digital Tentacle built something genuinely focused around a single, peculiar idea: what if a puzzle game used your ears as the primary input device, not your eyes? The setup is spare. Each of the 25 levels presents you with a circuit-board layout and a collection of audio fragments that need to be dropped into the correct nodes to reconstruct a complete song. You listen to the target track, then start placing pieces, looping certain clips a specific number of times, and isolating individual instrument layers to untangle what goes where. The layer isolation feature is the game's smartest design choice - when a full mix is playing back and something is clearly wrong, being able to strip down to just the drums, or just the synth line, gives you a real investigative tool rather than forcing you to guess. There is also a hint system with two tiers: one that flags misplaced nodes and one that auto-corrects a single placement. Both are limited per level, so they feel earned when you use them. The soundtrack itself spans electronic ambient, dubstep textures, and full orchestral moments, all composed by David Garcia Diaz, who also worked on Deadlight and Rime. That pedigree shows. The music is the product here, and it holds up. Where the game splits opinion is in its fundamental ask. Reconstructing a song is, at its core, a memory and ear-training exercise. If you play by instinct and have decent relative pitch, the first ten levels will feel gentle to the point of transparency. If you have no musical background at all, the later levels - particularly anything with overlapping loops and a four-layer drum arrangement sitting underneath piano and vocals - can slide from satisfying to genuinely disorienting. A vocal minority of players found the feedback loop frustrating: you only discover an error after the whole track finishes playing, which means repeated listens to the same passage. For most people that repetition is meditative. For some it tips into tedium. Worth knowing before you commit. The visual design is deliberately minimal, a monochrome circuit diagram that lights up as audio flows through it. It is not pixel art, it is closer to a technical illustration brought to life, and the restraint is the point. Nothing competes with the sound. The whole thing runs to somewhere between ninety minutes and a few hours depending on your musical background, and it knows exactly when to end. A Circuits Composer mode was also planned as a free update, which would add Steam Workshop support for custom tracks, extending the content ceiling considerably beyond those 25 built-in levels. This is a game for people who find Audiosurf too passive and rhythm games too reflex-driven. It occupies a specific, quiet niche: active listening as a puzzle mechanic. If that sounds like the kind of thing you would put on headphones for, it almost certainly is. Kai, Scout Team

Valve rates this game Steam Deck Playable.

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