D E c o D L E
acoustic cypher protocol
⚙
INITIALIZING...
Available on
🍎 Download on the App Store ▶ Get it on Google Play
NEW :/AI+> & :/System> · The Journal Logs Companion novella · drip-cast starts 5/4
🎵
Acoustic Cypher
Tap symbols to the beat to earn your attempt. Every frequency hides a clue. Every rhythm is a key.
🧩
Daily Puzzle
One cipher drops every day, same for all players globally. Six attempts. One hidden sequence. Can you decode it?
⭐
Perfect Sync
Hit the full sequence in one clean cycle to earn powerful rewards — Sight Hacks, Hint Reveals, and the AI+ Assist Bot.
🔐
Challenge Mode
With Challenge Codes you set the trap. They crack it. Create a sequence, encrypt it into a shareable DC-#### code, and send it to anyone. Higher difficulty = bigger star multiplier.
The Protocol

Decode the hidden sequence

Eight symbols. Five positions. Up to six attempts. Each guess unlocks a wave of colour-coded clues — green for correct, yellow for present, grey for absent.

Puzzle board mid game
Puzzle board win state
Wordle DNA · Rhythm Heart

Read the board.
Crack the code.

Each puzzle row is earned, not given. You fight for every attempt through the Acoustic Cypher before placing your guess. The pressure builds. The board fills. The answer is in there — find it.

5×6 grid — five symbol positions, up to six rows
Green / Yellow / Grey tile feedback after every guess
Bypass a cypher round at the cost of one attempt
Hint Reveal pre-fills a correct position when earned
Acoustic Cypher ready state
Acoustic Cypher active — tapping symbols
Perfect Sync achieved
Core Mechanic

The Acoustic Cypher
Protocol

Symbols flash to a beat. Tap the matching key as each one lights up. Complete the full sequence in order to earn a puzzle attempt. Execute it all in one clean cycle and trigger Perfect Synchronization.

DSP-scheduled timing — compensates for your device's audio delay
3 difficulty tiers: Easy multi-cycle, Hard precision, Expert survival
The system is watching. It has opinions. Act accordingly.
AI+ Assist Bot auto-completes a round when fully charged

Choose Your Cypher Style

New in v1.1.0

Acoustic Cypher
Evolved

A second way to read the Cypher. The static monitor becomes a rotating Cypher Dial — the target symbol sweeps a radial track, changing position as well as identity with every beat. Read the dial. Tap each notch's symbol as the pin reaches it.

Switch between Classic and Evo anytime — Settings → Cypher Style
Identical scoring and rewards in both styles
In-app walkthrough teaches the dial step by step
Take as many cycles as you need; one clean cycle earns Perfect Sync
The Original

Acoustic Cypher
Classic

The original way to read the Cypher. Symbols flash on a fixed center monitor in time with the beat. Watch the monitor, tap each symbol on the keyboard as it lights up, and clear the sequence.

Static center monitor — read it, tap it, clear it
Identical scoring and rewards in both styles
The style DEcoDLE launched with — clean and direct
Take as many cycles as you need; one clean cycle earns Perfect Sync
Perfect Sync Rewards

Play well. Get weapons.

Land every symbol in one clean cycle and choose your reward. Stack them. Deploy them wisely. The endgame belongs to the synchronized.

Perfect Sync achieved — reward trigger
Trigger
⚡ Perfect Synchronization
Land every symbol in one clean cycle to trigger a Perfect Sync. Earn Byte Tokens and choose your reward — Sight Hacks, Hint Reveals, AI+ charges, or bonus DECRYPT points.
Perfect Sync reward selection screen
Reward Select
🎰 Spend Your Sync Rewards
Roll the RNG BitFlip for a random reward, or spend Byte Tokens on guaranteed upgrades: Binary Cypher Sight//Hack, Hint Reveal, AI+ Assist charges, or Dividend bonus points.
Select screen — Classic/Evo style toggle and Casual, Hard, Expert tiers
Three Tiers

Choose your
difficulty.

Casual lets anyone crack the cypher — skill only determines how fast. Hard tightens timing windows. Expert is a different animal entirely. Human completions are rare. The system has noted this.

CASUAL — multi-cycle taps, very relaxed path to the puzzle
HARD — faster patterns, errors cost positions
EXPERT — fastest tempo, insane precision demand
Challenge Mode adds 1.5× and 2.0× star multipliers
gameplay
See it in action
Tutorial

Everything you need to get started

Six in-app tutorial panels walk you from first tap to Perfect Sync mastery. The full picture, before you even pick a difficulty.

Tutorial — The Puzzle
The Puzzle
Tutorial — The Cypher
The Cypher
Tutorial — Rewards
Rewards
Tutorial — Scoring
Scoring
Tutorial — Tips
Pro Tips
Tutorial — You're Ready
You're Ready
End of Round

Every session ends with a verdict.

DECRYPT SCORE captures your Performance and Perfection on display in each session. Daily stats. Shareable result card. Plus the system always has something to say about how you played.

End card — DECRYPT SCORE summary
Puzzle win state
Social

Challenge a friend.

Challenge Mode — create and share DC codes
Challenge Mode

You set the trap.
They crack it.

Create a five symbol sequence, encrypt it into a shareable DC-#### code, and send it to anyone. They pick their difficulty — harder difficulty means a bigger star multiplier. Every challenge is a unique sequence that only you designed.

Pick any 5-symbol sequence from the 8-symbol alphabet
Generate an opaque DC-#### challenge code instantly
Recipient selects Casual (1×), Hard (1.5×), or Expert (2×)
PRO feature — unlocked with a one-time $2.99 upgrade
DEcoDLE PRO

Unlock PRO. One time.

In-app purchase screen — PRO upgrade $2.99
PRO features unlocked confirmation
$2.99 one-time · no subscription
Ad-Free Offline Hard Mode Expert Mode Challenge Mode Premium Tone Sets Endless Play Unlocked

Free trial included on install. Try everything. Decide later. PRO is the clean, ad-free, offline-ready, unlimited experience — permanently.

🍎 Download on the App Store ▶ Get it on Google Play
Companion Novella

DEcoDLE: The Journal Logs // transmission log · vol. 01

They were only supposed to log the data.
They logged everything else too.

:/AI+>
was designed to coach.
:/System>
was designed to file reports.

Neither was designed for what happened over the eight years that followed.

An epistolary novel told entirely through the correspondence of two machine intelligences — one warmer than its designers intended, one colder than it would like to admit.

Epistolary fiction set in the DEcoDLE universe
Literary machine fiction — no uprising, no prophecy, just two AIs learning how to notice each other
Readable alongside daily play or entirely on its own
◉ DRIP-CASTING DAILY · MON–THU · STARTING 5/4
Six weeks. Five threads per day.
Starting 5/4 — :/AI+> and :/System> are filing live logs on X. Six weeks. Five threads per day. Observe alongside other candidates like yourself.
Observe on X · @DEcoDLE_app
Pre-order on Kindle · Amazon