Sprunki Kill Edition: Simon Kill Tunner
Popular Games
About Sprunki Kill Edition: Simon Kill Tuner
Sprunki Kill Edition: Simon Kill Tuner is a dark, experimental mod that reworks the familiar Sprunki rhythm framework into a tense, high-stakes survival experience—with Simon not as a passive participant, but as the central, volatile force you must both obey and outmaneuver.
Unlike lighthearted or chaotic Sprunki variants, this edition strips away whimsy entirely. Built on a modified Kill Edition engine, it replaces randomized character interactions with a single, escalating dynamic: you are tuning Simon’s voice, and if you fail, he doesn’t just glitch—he acts.
The core mechanic revolves around a real-time audio calibration system. Each round presents a distorted vocal sample from Simon—a hum, a whisper, a fractured syllable—and you must adjust pitch, tempo, and resonance using on-screen sliders to “tune” it back to stability. Success keeps him docile; failure triggers increasingly aggressive states, culminating in a game-over sequence where Simon physically breaches the UI, dragging the screen into static.
Visually, the mod adopts a clinical yet claustrophobic aesthetic: a dim control room interface, flickering diagnostic readouts, and Simon’s face rendered in low-poly grayscale, eyes tracking your cursor. Audio design is paramount—every mis-tuned frequency emits a sub-bass pulse that vibrates through headphones, blurring the line between gameplay feedback and psychological unease.
Originally released quietly on niche horror-mod forums in late 2025, Simon Kill Tuner gained traction for its restraint. There are no jump scares, no gore—just mounting dread through precision, silence, and the quiet horror of losing control over something that was never yours to control.
It’s not a game about killing. It’s about being listened to—and what happens when the listener stops cooperating.
Note: This is a non-commercial fan project. Not affiliated with Incredibox, Sprunki official channels, or any commercial entity.
How to Play Sprunki Kill Edition: Simon Kill Tuner
Sprunki Kill Edition: Simon Kill Tuner abandons traditional clicking or rhythm mimicry in favor of a tense, audio-focused calibration system. Your goal isn’t to perform—but to listen, adjust, and stabilize before Simon’s voice fractures beyond repair. Here’s how to survive.
1. Understand the Interface
You’re placed in a “tuning booth” with three core elements:
Simon’s Vocal Waveform (center): A live audio stream of his current state—calm hums early on, distorted screams later.
Three Tuning Sliders (bottom):
Pitch (left): Adjusts vocal frequency
Tempo (center): Controls syllable speed
Resonance (right): Manages echo/distortion levels
Stability Meter (top): Glows green when aligned, flickers red as error accumulates
Your job: match the sliders to the “target zone” shown as faint gray bands behind each track.
2. Follow the Calibration Sequence
Each round begins with a 3-second reference tone—a clean version of Simon saying “...stay…” or “...tune me…”
Listen carefully: This is your baseline.
Adjust all three sliders to replicate that tone in real time as Simon’s voice degrades.
Small, precise movements work better than rapid dragging. Overshooting triggers instability.
You don’t press “submit”—the system evaluates continuously. Hold alignment for 5 full seconds to clear the round.
3. Recognize Simon’s States
Simon cycles through behavioral phases based on your accuracy:
| State | Audio Cue | Visual Sign | Risk |
|---|---|---|---|
| Calm | Soft hum, clear pitch | Hood up, eyes dim | Low – easy tuning |
| Unstable | Voice cracks, tempo drifts | Hood shifts, screen static | Medium – target zones shrink |
| Hostile | Layered whispers, reversed audio | Eyes glow white, UI distorts | High – sliders lag, fake tones play |
| Breach | Sudden silence → loud shriek | Simon’s hand appears on screen | Game over |
If you see his hand reaching from the edge—it’s already too late.
4. Use Headphones & Minimize Distractions
This mod relies on subtle audio layering:
The difference between a safe resonance and a glitch may be a 0.2-second reverb tail.
Background noise (fans, music, chatter) masks critical cues.
Wired headphones strongly recommended—Bluetooth latency can cause fatal misalignment.
Play in a quiet room. Dim the lights. This isn’t background gaming—it demands full attention.
5. Recovery Is Possible (But Hard)
If you slip into Unstable or early Hostile mode:
Stop adjusting immediately. Let the audio loop for 2 seconds to reset your ear.
Focus on one slider at a time—usually Tempo first, as it anchors the others.
Never chase perfection. Aim for “close enough” to stop the meter from flashing red.
Stability can be regained—but only if you act before the third distortion pulse.
6. What Happens After Round 7?
At Round 8, the reference tone disappears. You must tune by memory and instinct alone, using only Simon’s deteriorating voice as a guide. This is where most players fail.
Veterans report that humming along quietly helps internalize the correct pitch—a trick born from real audio engineering practice, repurposed as survival.
Sprunki Kill Edition: Simon Kill Tuner isn’t about reflexes. It’s about listening like your life depends on it—because in this room, it does. Tune carefully. Breathe slowly. And never look away when he’s watching.
Frequently Asked Questions – Sprunki Kill Edition: Simon Kill Tuner
Q: What is Sprunki Kill Edition: Simon Kill Tuner?
A: It’s a psychological horror mod that reimagines the Sprunki universe as an audio calibration nightmare. Instead of clicking or mimicking rhythms, you manually tune Simon’s voice using real-time sliders. Fail to stabilize his vocal output, and he “breaches” the interface—ending your run. There are no weapons, no scores—just tension, sound, and silence.
Q: Is this part of the official Sprunki or Incredibox series?
A: No. This is a non-commercial fan project, built on modified Sprunki Kill Edition code. It has no affiliation with Incredibox, Sprunki official channels, or any publisher. It exists solely within the indie horror-mod community.
Q: How do I play it? Where can I find it?
A: The mod is hosted exclusively on itch.io under the developer alias “NullTuner.” Search for “Simon Kill Tuner” on their profile. It runs in-browser—no download needed—but requires a modern browser (Chrome or Firefox recommended). Avoid mirror sites; many bundle adware or broken builds.
Q: Why does the game feel “laggy” when I move the sliders?
A: That’s intentional. In Hostile Mode (triggered by repeated tuning errors), slider response is deliberately delayed to simulate system corruption. If you’re experiencing lag from the start, check:
Your browser isn’t overloaded (close unused tabs)
You’re not using touchscreen emulation on desktop
Audio output isn’t routed through Bluetooth (causes sync drift)
Q: Can I beat the game? Is there an ending?
A: Yes—but only by completing Round 10 without triggering a breach. Doing so unlocks a 30-second epilogue: Simon whispers “...you heard me…” and the screen fades to black with a single piano note. No credits, no menu—just silence. Most players never reach it.
Q: Do I need special equipment?
A: Not special—but wired headphones are essential. The mod uses binaural audio cues and sub-bass frequencies that most speakers (and Bluetooth earbuds) can’t reproduce accurately. A quiet environment is equally important; background noise masks critical tuning details.
Q: Why does Simon sometimes say things like “don’t look” or “too late”?
A: These are state-based dialogue triggers, not random lines. For example:
“Don’t look…” plays when you’ve entered Hostile Mode but haven’t yet seen his hand
“Too late…” precedes a breach by exactly 1.8 seconds
“Again…” appears after a failed Round 6 reset
Listening to these warnings can buy you precious reaction time.
Q: Is there a way to make it easier?
A: No difficulty settings exist—but veteran players use two unofficial tactics:
Hum along quietly to internalize the target pitch
Cover the Stability Meter with your hand to reduce visual panic and focus purely on sound
The mod is designed to be punishing. That’s the point.
Q: Will my progress save?
A: Only your highest round reached is saved locally in browser storage. Full epilogue access, however, must be earned in a single session—there’s no checkpoint system. Clearing cache or switching devices resets everything.
Q: Can I stream or record this mod?
A: Yes. The creator encourages non-commercial content under fair use, provided you:
Credit “NullTuner” and link the official itch.io page
Clarify it’s a fan-made horror experience (not official Sprunki)
Warn viewers about intense audio (some report discomfort from low-frequency pulses)
Many creators have featured it in “most unsettling rhythm games” lists—with good reason.