CASE #04

A secret society hides in plain sight. Tonight you get in.

San Marcos detective mystery. Infiltrate a secret society

  • No booking, start anytime
  • 2.5 km · 12 points

On the streets of San Marcos

  • Players on the San Marcos case route, photo 1
  • Players on the San Marcos case route, photo 2
  • Players on the San Marcos case route, photo 3
  • Players on the San Marcos case route, photo 4

The case file

A secret society hides in plain sight. Tonight you get in.

Step into the covert world of a citywide detective mystery, where your mission is to expose a powerful secret society that has manipulated leaders and shaped world events from the shadows for centuries.

  • 12 challenge locations
  • ≈3,250 steps
  • 1 final accusation

How tonight works

  1. 1

    Unlock now

    Pay and the case opens in the Questo app straight away: no guide, no group, no time slot. 30 seconds, not a confirmation email.

  2. 2

    Walk to Point 1

    Point 1 LBC · 111 E San Antonio St # 101. From there the case runs through 12 stops and finishes at Point 12 · 111 E San Antonio St # 101, a 2.5 km route through San Marcos.

  3. 3

    Solve it together

    Everyone gets clues on their own phone. Each puzzle you crack unlocks the next location, and the finish puts you on the San Marcos leaderboard.

The route

Start
Point 1 LBC · 111 E San Antonio St # 101
Finish
Point 12 · 111 E San Antonio St # 101

Like an escape room. The room is San Marcos.

Escape rooms are genuinely good. They also want a slot booked days ahead and a fixed hour. This is the version you can decide on at 7pm: outdoors, across 2.5 km of San Marcos.

This caseEscape room
Price / person for two, in a group of 52 to 4x more each
Party size2 or 5 phonesfixed 4–8
Bookingnone, play nowslot, days ahead
Where2.5 km of San Marcosa windowless room

What San Marcos players say

★★★★★

good riddles, quite tricky. no actual connection with belfast but we knew that I'm advance
MMT · played this case in Belfast · Dec 29, 2025

★★★★★

fun to do with someone you care about and is smart, and willing to walk alittle lol
jpArtificial · played this case in Annapolis · Nov 30, 2025

★★★★★

Wow! LOVED this! The plot, the puzzles, the main character - all of it! BRAVO
micahthemagician · played this case in Santa Clarita · Oct 27, 2025

Gather your party

Who's playing tonight?

One pass unlocks the whole group’s phones: the Duo covers 2, the Fellowship 5. From per person, with no booking and no set time.

Date nightDUO

Two phones, two versions of the truth. Argue about the prime suspect over drinks afterwards.

2 players · 2 phones

Friends or family nightFELLOWSHIP

A team of detectives, one accusation, live rankings. Cheaper than the escape room you couldn’t get a slot for, and the kids usually crack the puzzles faster than the adults.

3 to 5 players · from about age 10 · best value

Playing alone? These cases are built for two or more, and everyone needs their own phone, so the Duo is the smallest pass.

Questions locals ask

Multiplayer quest · gather your party

Start the case tonight

It unlocks the moment you pay. Walk to Point 1 LBC · 111 E San Antonio St # 101, open the app, and the investigation starts.

Full refund until you start playing.

Buy tonight, decide later. The case doesn't expire. Pause any time and pick it up another evening.

Giving it to someone?

Works as a birthday, hen do or anniversary present. They pick the evening, in San Marcos or any other city.

Gift this case →

Have a code? Use unlock code →

Choose your pass

Instant unlock · full refund until you start playing

  1. 1 ·Pay. The case unlocks in 30 seconds
  2. 2 ·Get the free Questo app (2 min, iOS & Android)
  3. 3 ·Walk to Point 1 whenever, tonight or any night

Outdoor murder mystery in San Marcos

A citywide case for mystery and escape-room fans

San Marcos Detective Mystery: Infiltrate a Secret Society! is a self-guided murder mystery you play on foot in San Marcos. A detective game for date nights, friends and families who would rather run the investigation themselves than watch a staged dinner show. No guide, no group, no booking.

Self-guided over 2.5 km with 12 challenge locations, at your own pace, any evening of the week: an outdoor escape room the size of San Marcos, with no slot to book. It's one of the few things to do in San Marcos you can decide on at 7pm without a reservation.