01 / 03TRIAL 01 · DISCOVERY
THE IMPOSSIBLE
DOOR
Master the twenty-second delay. Two pressure plates. One exit. Trust the recording.
SYSTEM STATUS STABLE FACILITY 07 · TRANSMISSION ACTIVE
A SHORT SCI-FI PUZZLE MYSTERY
ECHO//20®
P A R T I
Your past follows you.
Until it doesn't.
Every movement you make returns twenty seconds later. Use your Echo to escape. Then ask yourself one question: was it really following?
BUILT WITH HAYA ENGINE// INDEPENDENT GAME PROJECT
CAM_07 / 01
SUBJECT 07STATUS RECORDING
01 / 03REAL IN-GAME FOOTAGESCROLL TO EXPLORE ↓
01 THE CORE MECHANIC
THE PAST IS
PLAYABLE.
Your Echo repeats your actions 20 seconds later. Walk a route. Step on a switch. Let your past self do the impossible while you move forward.
TEMPORAL SIGNAL SIMULATORDELAY / 20.00s
SOURCEECHO −20s
00.0 / 40.0s
INTERACTIVE ILLUSTRATION · SCRUB THE TIMELINE TO SEE YOUR ECHO FALL BEHIND
02 THE EXPERIMENT
THREE TRIALS.
ONE SIGNAL.
Explore three connected chapters of a forgotten research facility. Each new chamber changes what you think you know.
01 / 03THE IMPOSSIBLE
02 / 03TRIAL 02 · SUSPICION
THE MEMORY
LAB
Navigate live lasers. Recover buried records. Learn why the researchers stopped trusting their own data.
SYSTEM STATUS UNSTABLE
03 / 03TRIAL 03 · ANOMALY
THE BROKEN
ECHO
There is a route in this facility that you never walked. The system remembers it anyway.
SYSTEM STATUS UNKNOWN03 ARCHIVE / RECOVERED
[ AUDIO LOG // 07 ]
“We did not create a memory.
We opened a channel.”
Not every answer should be trusted. Not every memory is yours.
ARCHIVE_07.LOGACCESS: PARTIAL
> INITIALIZING MEMORY RECONSTRUCTION_
> DELAY OFFSET .......... 20.00 SEC
> PLAYBACK CONFIDENCE ... UNVERIFIED
> SOURCE ID ............. SUBJECT 07
IF THE RECORDING IS COMPLETE,
WHY IS THE SIGNAL STILL MOVING?
FILE INTEGRITY ??%
04 VISUAL RECORDS
THE FACILITY
IS WAITING.
Captured from the actual Haya Engine build. No concept-art promises — this is the world you'll walk through.
05 ACCESS THE EXPERIMENTREADY TO MEET
WINDOWS RELEASE PACKAGE IN PREPARATION
READY TO MEET
YOUR ECHO?
Three chambers. One continuous story. An ending that refuses to explain itself. ECHO//20 Part I is a free Windows game.
We’ll activate the download once the final Windows ZIP is uploaded and checked. No payments, accounts, or third-party store required.