Signal acquired / iOS

Intercept Echo

Every bit is a clue.

Count. Shift. Rotate. Master a tiny eight-bit machine and use it to crack coded transmissions—one exact move at a time.

Free to play · Optional one-time ad removal

Eight-bit register puzzle with a target value of 19
TRANSMISSION01 / 50
SIGNAL▮ ▮ ▮ ▮
01

Read the targetStudy the value. Every state is visible.

02

Work the registerChange the eight bits with exact operations.

03

Reveal the messageEach solved letter clears the transmission.

Operator training

Three operations.
Hundreds of possibilities.

You do not need to know binary. Intercept Echo teaches its logic in layers, then asks you to see the shortest route through the noise.

Open the field guide
01

Count

Set individual bits and learn how eight switches become a number.

0 0 0 1 0 0 1 1
02

Shift

Double or halve the value as bits move through the register.

<<
03

Rotate

Wrap the edge bit around. Preserve what a shift would discard.

↻
An intercepted message waiting to be decoded
Intercept Echo home screen

Intercept campaign

A puzzle inside a mystery.

Every cracked register reveals a letter. Spend signal to keep decoding, or risk an early guess when you think you know the whole message.

  • 12 authored transmissions
  • 3 difficulty levels
  • 0 random outcomes

Incoming transmission

Can you read it?

Compact rules. Exact logic. A signal worth chasing.

View on the App Store