Just Shapes & Beats

Most rhythm games ask you to hit things. Notes scroll toward a judgment line, you press the button, a number goes up, and the music is essentially a metronome wearing a costume. Just Shapes & Beats does something more interesting and considerably meaner: it makes the music the thing that’s trying to kill you.

You are a small blue square. Everything pink can end you. You have three hits, a dash on a short cooldown, and no offensive capability whatsoever. That’s the entire mechanical vocabulary. What Berzerk Studio — a small Quebec outfit previously known for browser-era Flash work — built on top of that vocabulary is a game where every hazard on screen is choreographed to the beat, which means the fastest way to survive is to stop staring at the bullets and start listening to the track. Once that click happens, the game changes character completely. You aren’t reacting anymore. You’re anticipating. The drop telegraphs the attack.

Positioned against the genre’s heavyweights, this is not a Touhou-style endurance test of pattern memorization, nor is it a Beat Saber-style flow state machine. It sits in a strange, largely uncontested middle: an arcade bullet hell with a licensed EDM and chiptune soundtrack, dressed in a pink-and-purple palette that looks like a rave poster and animated with the confidence of a studio that knows exactly how good its art direction is.

The content spread is generous for what is, fundamentally, a small game. There’s a narrative Story Mode built around escalating boss encounters, a Challenge Run gauntlet that shuffles randomly selected tracks into a survival string, a low-stakes Party Mode, and unlockable Hardcore variants for players who found the base difficulty insufficiently hostile. Up to four players, local or online. A Casual difficulty exists for newcomers and — importantly — it isn’t a joke setting. The soundtrack, drawing from more than twenty artists including Danimal Cannon, Sabrepulse, Big Giant Circles, and Chipzel, is the real product. Everything else is delivery mechanism.

• No-Shoot Bullet Hell: Three hit points, one dash, zero weapons. The design constraint is aggressive and it’s the reason the whole thing works — with no gun to optimize, all your attention goes to reading space and timing.
• Beat-Synchronized Hazard Choreography: Attacks land on downbeats. Patterns escalate with the arrangement. This isn’t decorative sync; it’s a legitimate second information channel, and expert players are effectively playing by ear.
• Four-Player Co-Op with Revives: Downed teammates leave remains you can stand on to bring them back. It turns chaos into triage, and it’s the single best argument for playing this on a couch instead of alone.
• Story Mode as Musical Set Pieces: Boss fights are structured like tracks, not like health bars — phases map to sections, and the finale of a stage hits when the song does.
• Layered Difficulty: Casual, standard, and unlockable Hardcore stages, plus Challenge Runs that string tracks together with no checkpoint mercy.
• Licensed Soundtrack from 20+ Artists: Chiptune and EDM, hand-matched to level design, with additional Monstercat tracks sold as DLC.

The Gameplay Loop

The loop is brutally simple to describe and much harder to explain the appeal of. A track starts. Pink geometry begins entering the frame — walls, sweeping lasers, homing shapes, expanding rings, entire screen-filling constructs that leave exactly one survivable gap. You move. You dash through the tight bits. The song ends, or you don’t.

What makes this more than a reflex test is the information design. Berzerk telegraphs almost everything, but the telegraph is musical rather than visual. A pattern that would be unreadable in silence becomes trivially legible the moment you internalize that the sweep arrives on the snare. The sync is doing real mechanical work here rather than sitting on top as garnish — the audio channel is load-bearing, not decorative.

The dash is the best-tuned element in the game. Its cooldown is short enough to feel like a genuine tool and long enough that spamming it will strand you inside a wall. Skill expression lives almost entirely in dash economy: knowing when to reposition early and cheap versus when to save the charge for a panic escape three bars later. That’s a surprising amount of decision depth to extract from one button.

Difficulty and the Wall

Here’s where fair criticism lands. The difficulty curve is not a curve. It’s a staircase with one step that’s roughly twice the height of the others, and it shows up in the back third of Story Mode. Players who cruise through the opening stages hit late-game bosses and Hardcore variants and find themselves losing a run in four seconds, repeatedly, to patterns that demand near-frame-perfect dashes.

To Berzerk’s credit, the Casual mode is a genuinely well-implemented accessibility ramp rather than a token gesture — it widens your margin without gutting the choreography, so the music-reading skill built there transfers upward intact. But the game does very little to signal when you’ve crossed from “learnable” into “this stage expects mastery,” and the transition can read as unfairness rather than escalation.

Length and Structure

The campaign runs about three to five hours. That’s a common complaint among players and a legitimate one, though it deserves a different framing: the problem isn’t that the story is short, it’s that the story is good. The narrative — told without dialogue, entirely through animation and musical cues — is far more emotionally effective than a game about a blue square has any right to be, and it builds toward a finale that lands. Then it’s over, and what remains is Challenge Run and Hardcore, which are excellent but structurally repetitive by comparison.

Challenge Run is the actual endgame. Randomized track selection into a continuous gauntlet, no per-stage checkpoints, one health pool bleeding across songs. It’s where the game’s replay value actually lives, and it does the job — but it’s a scoreboard, not a second act.

The Co-Op Question

Four-player co-op is where this game converts skeptics. The revive mechanic — stand on a fallen teammate’s remains to bring them back — creates a constant tension between self-preservation and rescue that solo play simply cannot produce. It also does something clever for mixed-skill groups: a strong player can carry a weak one without the weak player feeling like cargo, because getting revived and immediately dodging correctly still requires them to play.

Online co-op is the weak link. In a game where input latency is not a nuisance but a direct cause of death, netcode that wobbles at all is disqualifying, and matchmaking-dependent play puts the whole experience at the mercy of the connection. Local play is the intended experience and the one we’d steer anyone toward.

The pink-on-purple identity is among the sharpest art directions in recent indie action games, and it’s not decorative — it’s the readability system. Pink means lethal. That’s the whole contract, enforced without exception, which is why the screen can be mostly covered in geometry and still parse instantly. Compare that to bullet hells that render hazards in six colors and expect you to sort them under pressure. One rule, absolute consistency, zero ambiguity.

The animation work in the story sequences punches well above the studio’s size. Boss designs escalate visually in lockstep with the arrangements, and the whole thing has a hand-authored quality that procedural sync systems never achieve.

Performance is the requirement here, not a bonus. A frame drop in this game is a death, full stop. Fortunately, a 2D game of this scope is light on hardware, and the design leaves headroom for the densest sequences. Audio latency — the metric that actually matters — is the one thing worth protecting: wired headphones over Bluetooth, on any platform.

Steam is the precision option. Keyboard-and-analog debates are largely settled in favor of a controller stick, which gives you the fine positional control that keyboard’s binary directional input can’t match during tight dash windows. If you’re chasing Hardcore clears, play with a gamepad and wired headphones; Bluetooth audio latency will actively mislead you, since the whole skill ceiling rests on trusting the beat. Local four-player on PC means sorting out controllers, but hot-joining is supported.

Nintendo Switch is the version we’d recommend to most people. Handheld mode suits the design — the pink-on-purple palette is vivid, the small screen actually helps by compressing your field of view into something you can take in without saccading, and the pick-up-and-play length of individual tracks fits portable sessions perfectly. Docked play with two Joy-Con pairs is the fastest path to four-player couch chaos of any platform. The caveat: Joy-Con drift is a real hazard in a game where a few degrees of unintended stick input walks you into a wall. Use a Pro Controller if you have one.

Berzerk Studio made a game about subtraction. No shooting, no upgrade tree, no loot, no scoring minutiae — just a square, a dash, and a soundtrack that wants you dead. That restraint is why it works. Every design decision points at the same target, and the result is one of the rare action games where getting better feels less like memorizing and more like hearing better.

The flaws are real and worth stating plainly: it’s short, the late difficulty spike is poorly signposted, online play is unreliable, and putting some of the best music behind DLC in a game whose entire value proposition is its music is a decision worth pushing back on. None of that moves this out of the “buy it” column. This is what happens when a small studio executes one idea with total conviction — a game we recommend without hesitation, reservations included.

Play it on Switch, play it with three friends on a couch, and turn it up.