Ludexv2026.11.01-65114139SETI: Search for Extraterrestrial IntelligenceOfficial rulebook ↗

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Signals, Sectors and Data

Scanning nearby stars, marking signals, completing, winning and resetting sectors, the data pool, the computer and the Analyze Data action.

Scan nearby stars

Scan Pay 1 Credit + 2 Energy to listen with Earth’s telescopes. No probe is needed. Do these steps, as shown on your board, in any order:

  1. Signal in the sector with Earth Mark 1 signal in the sector with Earth.
  2. Discard a card from the card row for a signal Discard 1 card from the card row and mark 1 signal in one of the two sectors of that card’s colour (top-right corner). Refill the row after the whole scan.
  3. Activate any telescope techs you own, in any order, paying their extra costs.

A scan always marks at least 2 signals; with techs, up to 4.

[Agencies] Each signal token you discard during a scan lets you discard one more card from the row and mark its signal — at most two per scan, since the row is refilled only afterwards (Signal tokens).

Marking signals

To mark a signal in a sector, take the leftmost data token from that sector’s data slot into your data pool and put one of your markers in its place. Signals come from scans and from many cards (Mark a signal any sector, Signal in a yellow sector Signal in a red sector Signal in a blue sector Signal in a black sector a sector of that colour).

Sectors

The board is split into 8 sectors, each lined up with one nearby star system holding a data slot. “The sector with Earth” (or with any planet) means the star currently aligned with that planet’s position — which changes as the system rotates.

Completing a sector

Taking the last data from a slot completes the sector. Completed sectors are resolved when you finish your main action, in any order you choose.

Winning a sector

Resetting the sector

The second-placed player (same tie-break) leaves one marker on the first space of the slot. All other markers go back to their owners and the empty spaces refill with data, as at setup. The sector can be completed and won again. If all markers belonged to one player there is no second place and the slot refills completely.

Data

Data pool

Data you gain goes into your data pool on the left of your board: at most 6. Excess data is discarded.

Your computer

Your player board with numbered pointers

  1. Data pool — holds up to 6 data.
  2. Computer — six top-row spaces, then computer techs.
  3. Probe tech slots.
  4. Telescope tech slots.
  5. Publicity counter.
  6. Score counter.

As a free action on your turn, move a Data token data token from the pool into the computer, filling the top row left to right. When data covers a printed reward, gain it at once:

You may place as much data per turn as you like, but only on your turn.

Analyze data

Analyze data Pay 1 Energy when the computer’s top row is full (lower tech spaces may be empty). Remove all data from the computer — keep the data in your pool — and mark a Blue life trace blue life trace for one of the two species. The computer is empty and ready to fill again.

[Agencies] Deep Sky Survey analyzes for no energy (Organizations).

Rules

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