THE BOOK · HISTORICAL INVESTIGATIONS

MOORPOST

Someone changed a sealed record. You are the detective.

START HERE · FREE · CASE ZERO The Tavern Tally · Dartmoor, 1348 Brother Osric sealed the night's tally. One line changed afterwards. Press the seals, find the lie, and submit your proof. Open the night tally → Touch controls. No account needed. Internet required to load evidence and submit.
Install Moorpost as an app — same rooms, own window, works on your phone.
How the relay works Kernel is historically agnostic. A course may change vocabulary, geography, artifacts, and refusal rituals. It may not change packet semantics, the five invariants, ledger authority, relay order, or the learning contract. The same malicious packet must fail identically in every era.

Fly the Relay — the 3D worlds

PLAYABLE · 3D · PRODUCTION-PROVEN
The Yam (1260 AD)
Fly the Gyrfalcon down the Mongol steppe relay. Read each ortoo’s paiza; catch the copied tablet — a credential speaking another gate’s word. Mouse or keys; the clerk grades on the server.
PLAYABLE · 3D
Dartmoor (1348 AD)
The Raven’s Eye over the night moor. The tavern tally was padded after sealing — recompute the ledger to find the lie.
PLAYABLE · 3D
The Royal Road (486 BC)
Saker Falcon over the Persian relay. A post mark out of sequence — recompute the dispatch roll and name the field.
PLAYABLE · 3D
Cursus Publicus (312 AD)
War Eagle over the Roman post roads. A diploma’s governor countersign belongs to another province — match every witness to its seal.
PLAYABLE · 3D
Princetown (1812 AD)
Signal-kite over Regency Dartmoor. Ten control stamps, one chain — press every control and spot the cut link.
PLAYABLE · 3D
The Tokaido Relay (1602 AD)
The Crane down the Edo post road. A station fuda dispatches its packet in the hour it arrived — impossible hours, proven by arithmetic.
THE ACADEMY
31 packs · 1,134 questions
Miss a case? Athelgard sends you to the exact drill. Cyber range, drills, verified mastery — then back to the relay.
PLAYABLE · TEXT
The Waybill (1897)
Princetown to Delivery. One entry was edited after it was signed. Recompute the chain; name the field by the route’s own rule.

The Course Register

PLAYABLE · CONTROL 002
The Waybill
Princetown to Delivery. One entry was edited after it was signed. Find the entry by recomputing the chain; name the field by the route's own rule. State a falsifier or the clerk refuses you.
PLAYABLE · TRANSFER
Royal Dispatch Roll
Susa to Sardis. The same class of forgery in Chapar Khaneh clothing — no Dartmoor vocabulary, no shared field names. It passes only if you learned the rule, not the skin.
PLAYABLE · COURSE-07
Temple Letters
Reference implementation of the historical abstraction. Same kernel as Princetown. Wax seal, commandery box, preceptor refusal.
PLAYABLE · COURSE-00
The Plain Packet
Costume stripped. No Templar, no Dartmoor. Identify which invariant broke. Transfer test.
COURSE-01 · IN REPO
Princetown Packet
Dartmoor control-stamp rally. Shakedown map. Live.
PLAYABLE · CONTROL-002
The Waybill
A Dartmoor route card, signed at every control. One entry was edited after it was signed. Recompute, apply the route's rule, name the field.
PLAYABLE · CONTROL-003
The Royal Road
Chapar Khaneh dispatch roll, Susa to Sardis. No Dartmoor vocabulary. The costume is different; the trick is not. Transfer test.
PLAYABLE · CONTROL 006
The Tokaido Relay (1602 AD)
Nihonbashi to Kanagawa. Station fuda sequence-window inversion. State the falsifier and expose the impossible arrival interval.
REGISTER
13 courses
Machine-readable skins. Curriculum order: integrity → provenance → sequence → identity → … → synthesis.