ExploreExample projects

Four worlds,
one engine.

A card duel, a hidden-role mystery, a tabletop campaign and a team exercise. Each is built from the same parts: rules with sources, an engine that checks every move and a log that explains it. Pocket Tactics and The Last Supply Route are playable right here.

Two-player card duelGame creators

Pocket Tactics

Three lanes, two Keeps, twelve cards each. Small enough to learn in a minute, interesting enough to break.

Playable nowPlayable on this site19 rule lines, 3 open questionsSeeded, replayable, breakable
  1. Rule

    §4.1 When Spark Imp enters play, deal 2 damage to an enemy unit in an adjacent lane.

  2. Check
    Rejected§4.1

    Shieldbearer is in the same lane as the Imp. Adjacent means the lane next door.

  3. Eventdamage · spark_imp → lane_runner · 2 · destroyed · §4.1

Hidden-role mysteryLive experiences

The Ninth Lantern

A museum after closing, eight guests, one thief. Phones are the hands; the host runs the night from a single screen.

Product design5–8 players, one hostHidden information per phoneFair reveals, every night
The Ninth Lantern · host screen · night 2Product design
ArchiveAtriumVaultGardenGalleryStairOfficeCryptBell

Guests vote · 6 of 8 in

  • Dana 3
  • Marat 2
  • Ivo 1
  1. Rule

    §2.4 The Keeper may light one lantern each night. A lit lantern shows whether a room was visited, never by whom.

  2. Check
    Rejected§2.4

    The Keeper already lit a lantern tonight.

  3. Eventreveal · lantern · archive: visited · seen by keeper only

How it playsEach guest’s phone shows only what their role may see. The engine runs the night in phases (light, move, vote, reveal) and the host steers from one screen.

Tabletop campaignWorlds & campaigns

Hollowmere

A three-session fen campaign. Dice stay on the table; MEKYRA keeps the Canon Ledger so nobody has to remember who drowned.

Product design3 sessions, 4 playersCanon with provenanceDice stay on the table
Hollowmere · Canon Ledger · session 3Product design
  1. C-12

    The fen lights follow whoever carries salt.

    S1 · 1:12
  2. C-14

    The ferryman drowned at the second lock.

    S2 · 0:58
  3. C-14a

    Amended: his body was never found.

    S3 · 0:22 · GM
  4. C-21

    Mira owes the reed witch one true name.

    S3 · 0:41 · pending GM
  1. Rule

    §1.2 A fact becomes canon when the game master confirms it at the table. Canon can be amended, never silently changed.

  2. Check
    Rejected§1.2

    “The ferryman is alive” contradicts canon C-14, confirmed in session 2. Amend C-14 or keep it.

  3. Eventcanon · C-21 added · source: session 3, 00:41 · confirmed by GM

How it playsStudio drafts canon entries from session notes and flags contradictions. The game master confirms; the engine makes sure canon never changes silently.

Team exerciseTraining & simulations

The Last Supply Route

A harbor strike, nine days of clinic stock and a two-page incident playbook. Four roles, four injects, one after-action report.

Playable nowPlayable on this site4 roles, 3 optional injectsAAR and improvement plan
  1. Rule

    PB 3.2 Any single spend above $30k needs Finance sign-off.

  2. Check
    RejectedPB 3.2

    Air freight costs $42k and Finance is away this round.

  3. Eventdecision · reroute via north road · $18k · owner: operations lead