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

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Cards, Missions and Techs

Playing project cards, conditional and triggerable missions, end-of-game scoring cards, researching technologies and all 12 tech tiles.

Play a card

Play a card As your main action, pay the card’s cost (top left, in Credit) and resolve its white effect. Any action inside the effect — a launch, a scan, an orbit — is performed without paying that action’s normal cost. Then discard the card face up beside the deck, unless it is a mission or an end-of-game scoring card, which you keep in front of you.

Missions

Mission cards carry a grey band with a condition or a row of circles. After you play one, it stays in front of you; completed missions are turned face down and kept for the rest of the game.

Conditional missions

A conditional mission: an orbiter or lander at Beta Pictoris’s planet gives the reward

The card states a condition and a reward. Whenever the condition is true on your turn you may complete it as a free action — take the reward and turn the card face down. If the condition is already true when you play it, you may complete it at once; you never have to complete it the moment it becomes true.

Triggerable missions

A triggerable mission: Mariner 10 rewards visiting Mercury and Venus

Each circle is triggered by something you do after playing the card. When it triggers you may cover the circle with a marker and gain its reward. One trigger covers one circle, even if it matches several circles or cards — trigger again for the next. When every circle is covered the mission is complete. Some missions can trigger on another player’s turn.

End-of-game scoring cards

An end-of-game scoring card with its gold box

Cards with a gold box End-of-game scoring score points at the end of the game. Resolve the white effect when you play it, then keep the card in front of you.

Research a tech

Research a tech Pay 6 Publicity (you need at least 6 on the track), then:

  1. Rotate the solar system Rotate the solar system first (Rotation).
  2. Choose a tech you don’t have yet and take the top tile of its stack.
  3. If you are first to take from that stack, discard its 2-point tile and score 2 points.
  4. Gain the bonus printed on the tile, flip it and put it on your board: probe and telescope techs in their own slots, computer techs in any empty computer tech slot (even one holding data — slide it under; that is not placing data, so no 2 points).

Techs from cards

Cards with Probe tech Telescope tech Computer tech or Tech of any type give a tech of that type without paying publicity — still rotating first (the rotation icon on the card is only a reminder: rotate once). If you already have all four techs of that type, you still rotate.

The 48 tech tiles and the 2-point tiles

Probe techs

TileEffect
Probe tech 1Up to 2 probes in space. Its bonus launches a probe for free, already using the new limit.
Probe tech 2Moving onto asteroids gives 1 Publicity; leaving asteroids no longer costs an extra move.
Probe tech 3Landing costs 1 energy less: 2, or 1 with an orbiter at the planet.
Probe tech 4You may land on a planet’s moons, for the planet’s landing cost.

Telescope techs

Used only during a scan.

TileEffect
Telescope tech 1Mark the signal in a sector next to Earth’s instead of Earth’s. Bonus: 2 data.
Telescope tech 2Pay 1 Publicity to mark an extra signal in the sector with Mercury.
Telescope tech 3Discard a card from your hand to mark an extra signal in a sector of its colour.
Telescope tech 4Pay 1 Energy to launch a probe (no credits) or gain 1 Move a probe 1 space. FAQ.

Computer techs

They may go in any empty slot, not necessarily left to right; a space holding data is still empty, but a space with another tech is not (slot order, occupied slot).

TileEffect
Computer tech 1Upper space: 2 points. Lower space: 1 credit. FAQ.
Computer tech 2Upper space: 2 points. Lower space: 1 energy. FAQ.
Computer tech 3Upper space: 2 points. Lower space: 1 card. FAQ.
Computer tech 4Upper space: 2 points. Lower space: the publicity shown. FAQ.

Upper spaces are part of the top row: they must be full to analyze. Analyzing clears every space, upper and lower.

[Agencies] Fenwick Research Center researches for 5 publicity; Turing Systems borrows a tech for a turn; Helion Assembly can switch a tech off for income (Organizations).

Rules

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