Alexandria Cold Case Game: Solve the Female Stranger Mystery

Six stops, six riddles, one unsolved death from 1816

A self-guided detective game played on your phone through Old Town Alexandria, where you reopen the case of the Female Stranger, who died at Gadsby's Tavern in 1816 and was buried without a name. The app guides you through a flat loop from the tavern to the waterfront and back through Market Square, with a puzzle at each stop that reveals real history: Georgian architecture at Carlyle House, the apothecary that served the town for nearly 150 years, Captain's Row's maritime heritage, and the market laid out in 1753. You move at your own pace, hints are built in, and chat support answers 24/7.

Step-by-step itinerary

Stops and time spent at each

1. Carlyle House Historic Park16m
2. Alexandria Athenaeum15m
3. Alexandria Market Square15m

Explore Old Town Alexandria mystery

• Visit Carlyle House Historic Park
• Discover artist communities at torpedo plant
• Learn waterfront history and solve puzzle
• Explore Captain's Row maritime heritage
• Study early medical practices at apothecary
• Visit Market Square and crack clue

The experience

The game runs on the Questo app and launches from Gadsby's Tavern, the 18th-century tavern where Washington and Jefferson dined. Director Zero, the game's narrator, walks you through the mystery and the city at once: each stop teaches you about a real place (the 1918 torpedo plant that became an art centre, the ferry landing that once shipped tobacco out of a colonial port, the Athenaeum where sea captains lived), and each one hides a puzzle you solve by looking closely at what's in front of you. The riddles are observation-based, not trivia. Hints appear if you get stuck.

The route is a compact loop, flat and easy, that takes 90 to 120 minutes if you move straight through. You can pause, wander, grab coffee, and come back to it. The app saves your progress. A charged smartphone with internet connection is all you need to play, and comfortable walking shoes help on the brick streets. The game runs every day of the year, so you can start whenever you want and play at whatever pace fits the rest of your day.

What’s included

• Full access to the self-guided detective game in the Questo app.
• six stops with puzzles and real history woven through Old Town.
• hints built into each puzzle.
• 24/7 chat support if you get stuck.

Before you book

Days and timesEvery day

AgesAdult (14 and older) · Under 14: can't be booked

GroupPrivate

Meeting point and pickupNo hotel pickup: you go to the meeting point. Ends back at the starting point.

Cancellation and refundsFree cancellation up to 24 h before the start. After that, no refund.

Prices and times updated 3 days ago

Good to know

Low physical effortStroller-friendlyPets welcomePublic transport nearby

Operated by Questo

Is this one for you?At 90 to 120 minutes, the game fits into a morning or afternoon without crowding the rest of your day in Alexandria. If you want to linger at a stop, explore a museum, or grab lunch, the self-guided format and pause-and-resume structure give you that flexibility. If you prefer a fixed schedule with a live guide, this one is not it.

Traveler reviews

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Top questions

What is the Female Stranger mystery the game is built around?

A woman died at Gadsby's Tavern in 1816 and was buried without a name. Her identity remains unsolved. The game reopens the case by having you gather clues at six stops across Old Town, each one tied to real history and a real location.

How many stops does the game include and what do I do at each one?

Six stops: Carlyle House, where you learn about Georgian architecture and solve a riddle; the former torpedo plant, now an art centre, where you work out a code; the waterfront, where you solve an observation puzzle; Captain's Row by the Athenaeum, where you unlock the next chapter by solving a riddle; the apothecary, where you solve a riddle hidden in what you see; and Market Square, where you crack a clue using details on site.

Do I need a guide, or is this entirely self-guided?

Entirely self-guided on your phone through the Questo app. Director Zero narrates the mystery and the history, and chat support is available 24/7 if you get stuck on a puzzle or have a question.

What's included in the game, and what do I need to bring?

The game includes full access to the self-guided exploration and all six puzzles. You need a charged smartphone with internet to run the Questo app, and comfortable walking shoes for the brick streets of Old Town.

How long does the game take, and can I do it in pieces?

The route takes 90 to 120 minutes if you move straight through, but you can pause, take breaks, and return to it later. The app saves your progress. You set the pace and can fit it around the rest of your day in Alexandria.