Emissary Puzzle Lab

Choose your case file.

Three paper-style logic puzzles, arranged as a learning curve. Start with Easy unless you already know multi-grid deduction puzzles.

Experimental playtest · non-canon

Recommended order

Easy · Calibration

Transfer Packet 7

Learn the marking grammar

Match four crew members to duties and callsigns. Seven direct clues introduce the three-table deduction loop.

  • 4 entries
  • 3 tables
  • 7 clues
  • 5–10 min
Open Easy case
Medium · Full case

Berth Twelve

Widen the search field

Resolve five people across the same three relationship types. More candidates make each inference carry farther.

  • 5 entries
  • 3 tables
  • 11 clues
  • 10–15 min
Open Medium case
Hard · New grammar

The Fourth Registry

Connect four categories

Add origin authority to person, duty, and callsign. Six tables make deductions travel through a denser relationship network.

  • 4 entries
  • 6 tables
  • 11 clues
  • 15–25 min*
Open Hard case

How to mark the tables

On a phone, switch between Evidence and Tables. Only one relationship table is shown at a time; choose it from the full-width selector. Its marks remain when you change tables.

NORule it out
MAYBE NOProbably not
MAYBE YESProbably yes
YESAssert the match

For testers

No login or network connection is required. Your marks stay on this device. After solving, use Export log and send the downloaded JSON file with your approximate solve time.