What’s Lost: Hidden History
Open cases

Choose your investigation

Walk the streets. Read the clues. Find what everyone else walks past.

CASE FILE · 001
OPEN
Llanelli, Wales
The Llanelli Case

A forgotten town. Three locations. A mystery buried in plain sight.

45–60 min 3 locations On foot
Case file 002
Sealed until the first case is closed
Case 001 · Briefing
Confidential · Llanelli

A forgotten town. Three locations. A mystery buried in plain sight. Your investigation begins here.

How the case works
  1. 1You get one clue at a time. Work out where it leads.
  2. 2Walk there and check in with your phone’s location.
  3. 3Look closely at a detail you can see from the street, and answer.
  4. 4Each answer adds evidence to your casebook. Three pieces solve the final mystery.
Stay on public pavements and watch for traffic. You never need to enter a building or private land.
Clue 1
LOCATION 1 OF 3
Sample content: not a real puzzle
The first lead

“[Sample clue] Seek the place where the town once gathered, and where something old still keeps watch over the street.”

Placeholder: real clue written after fieldwork
Stuck?
Hints cost points
0 of 2 used

When you think you’re in the right spot, check in.

Clue 1
Check-in
Locating…

Finding your position

Hold still for a moment. A better signal gives a better reading.

Your location is used only for this check-in.

Check-in
Not close enough yet

You’re getting warmer

Distance
~340 m
GPS accuracy
±25 m

You need to be within 40 m. Distance only, no direction: the clue does the rest.

Check-in
Checked in · Location 1 of 3

You’ve found the place

Now look around you. The next question is about something you can see from where you’re standing.

Check-in
Location access is off

We can’t check you in

Hidden History needs your location for a moment to confirm you’ve reached each place.

To turn it back on
  1. Open your phone’s Settings
  2. Go to your browser, then Location
  3. Choose Allow while using, then come back here
Observation 1
Sample content: not a real puzzle
Look closely
Photo from fieldwork

[Sample question] From the pavement, count the placeholder feature above the main doorway. How many are there?

Attempts left: 3 of 3
Hint available
Costs 50 points · 0 used
Evidence found
Correct · added to your casebook
EXHIBIT ASample content
Photo from fieldwork

[Sample evidence title]

A short, sourced historical note will appear here, telling the player what they’ve just found and why it matters to the case.

Source: [institutional archive, to be linked]
+100points
no hints used
Casebook
Case 001 · Llanelli

Your casebook

1/3
Score
100
Hints
0
Time
14m
Exhibit A
[Sample evidence title]
Exhibit B
Check in at location 2 to unlock
Exhibit C
Check in at location 3 to unlock
The final mystery
Collect all three exhibits
Mockup: the button skips ahead to the final mystery
Final deduction
Sample content: not a real puzzle
All evidence gathered

The final mystery

[Sample] Lay the three exhibits side by side. What links the three places together?

EXHIBIT AEXHIBIT BEXHIBIT C

You have one deduction. Choose carefully.

Case 001 · Llanelli
CASE CLOSED

Well done, detective

You found what the town forgot.

Score
820
Time
52m
Hints
1
Exhibits
3/3