Ludexv2026.11.01-65114139EntropyOfficial rulebook ↗

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Teach the Game

A five-minute teaching order for building systems, using the rondel, completing objectives and scoring Entropy.

How you win

Create the highest-scoring simulation. Build Solar Systems with Star Stars, Planet Planets and Asteroid Asteroids, populate Planet Planets with Life, and use the Main Objectives and any Lifeform Lifeform Objectives to score. After the game ends, the player with the most VP wins; ties are shared.

What the boards show

The Main board is a rondel of inner-ring actions and outer spaces on six Action tiles. Your Scientist moves clockwise around it. Each Console tracks your Creation tokens, Focus card Focus cards, Generator track Generator and personal objectives. Your Solar System tiles hold your Star Stars, Planet Planets, Asteroid Asteroids, Biome tile Biomes and Life.

What happens in a round

Players take one turn each in clockwise order, starting with the First Player. On your turn:

  1. Move your Scientist 1–3 spaces clockwise and stop on an inner action or an outer Action-tile space.
  2. Resolve the Traffic Bonus, then the action at your destination. Place a matching Creation token if you land on an inner action.
  3. During Mission, resolve an eligible Mission card, advance Main Objective tracks you meet, and claim an eligible any Lifeform Lifeform Objective. Stand any Creation tokens that were lying down.

Passing your own Creation tokens retrieves them. Each one can give you 1 Entropy Entropy or activate one Star Star. That is the main way to reuse actions.

How the game ends

The end is triggered when two Objectives are completed in total: a Main Objective marker reaches its last space or someone claims a big any Lifeform Lifeform Objective tile. Finish the current round, then play one more round and score.

The actions

ActionWhat it does
Evolve a Star action Evolve a StarPay Energy Energy to swap a Star Star for the next one on its path, or add a new tier-I Star Star
Aggregate Planet action Aggregate a PlanetPay Mass Mass for a Planet Planet, resolve it and add it to a Solar System
Create Life action Create LifePlay a Life card Life card on a Planet Planet that meets its any Life Condition Life Conditions and gain its any Lifeform Lifeforms
Activate Stars action Activate StarsPay Entropy Entropy to trigger any number of your Star Stars once each
Set Biome action Set a BiomePut a Biome tile Biome beside a Planet Planet; fulfil it later for an ongoing reward
Upgrade Console action Upgrade ConsolePay 3 Energy Energy to raise a Focus card Focus card one tier
Life card Take Life cardsTake two Life card Life cards from the offer
Catch an Asteroid action Catch an AsteroidAdd an Asteroid Asteroid to a Planet Planet: more any Life Condition Life Conditions, and the Planet Planet triggers
Generator track Primordial SoupAdvance your Generator track Generator, gain 1 Energy Energy and 1 Mass Mass

Ways to score

SourceHow and when
immediate VP Immediate VPDuring play: Star Star effects, Life card Life cards, Missions, Generator track Generator milestones, objective rewards
any Lifeform Lifeform ObjectivesEnd of game: each small and big tile you claimed
end-game VP Main ObjectivesEnd of game: each completed Main Objective, by its printed condition and value (Objectives)
LeftoversEnd of game: 1 VP per four Life card Life cards, Entropy Entropy, Mass Mass and Energy Energy combined
end-game VP End-game VP on cardsEnd of game: some Life card Life cards and Star Stars score from the state of your systems

What each resource is for

ResourceWhy you need itHow you use it
Energy EnergyEvolving Star Stars and upgrading your ConsolePay costs; 2 Entropy Entropy buys 1 during your Action step
Mass MassBuying Planet Planets and some Asteroid AsteroidsPay costs; 2 Entropy Entropy buys 1 during your Action step
Entropy EntropyActivating Star StarsPay Star Star costs, or trade 2 for 1 Energy Energy or Mass Mass
Bacteria Plant Animal LifeformsLife card Life card, Biome tile Biome and Objective requirementsLive on Planet Planets, at most five of each type per Planet Planet
Life card Life cardsCreate Life action Create Life and their effectsNo hand limit; discard one to stand in for a missing any Life Condition Life Condition
Star StarsRepeatable effectsTrigger with Activate Stars action Activate Stars or by passing your Creation tokens
Asteroid AsteroidsExtra any Life Condition Life ConditionsCatch an Asteroid action Catch one: it also triggers its Planet Planet
Biome tile BiomesA requirement that pays an ongoing rewardFulfilled fulfilled Biome Biomes flip and keep giving
retrieve a Creation token Creation tokensUsing inner-ring actionsPlaced when you use an action; retrieved when you pass them, each giving 1 Entropy Entropy or one activate a single Star Star activation

Teaching tips

Teach the role of the Scientist and Creation tokens before listing the eight actions: movement determines both where you act and when your tokens return. Then walk through a Life card Life card from Planet Planet conditions to gained any Lifeform Lifeforms and its effect. Explain that rewards are optional, but a Life card Life card’s printed any Lifeform Lifeforms are required; use the FAQ for the publisher designer’s nuanced clarification. Finish with the two-objective end trigger and the final-round scoring.

Rules

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