Welcome to the Moon
119 questions players ask about Welcome to the Moon. Pick one for the answer. See also the full rulebook.
Updated 2026-11-05.
Turn structure and number placement
- What happens if I can't write any of the three numbers on my sheet?
- Can I leave empty spaces or skip numbers in a zone?
- Can I use my action before writing the number?
- If I write my number in a space with a water tank or other symbol, can I still use my own action?
- Can I use the Water action if I wrote the number in a space without a water tank?
- Can I write a number in a water or plant space even if my action isn't Water or Plant (and the reverse)?
- When a draw pile runs out, how do I reshuffle?
- Which cards do I use in the Starship deck at the start?
- Does an X count as a number, and can it complete a quarter, zone or mission?
Actions and Wild symbols
- Does the Planning X have to go next to the number I just wrote?
- Can I use Planning to place an X if I can't place my number?
- Can I still take Astronaut or Planning actions once all their symbols on my sheet are crossed off?
- How does a Wild action work, and does it change the number?
- Does using a Wild as Astronaut or Planning also cross off the Astronaut or Planning symbol?
- If Planning earns me a Wild, can I use that Wild in the same turn?
- If I can't place a number, must I use a Wild (for example as Astronaut) to avoid a System Error?
Missions, ties and end of the game
- Does the game end when one end condition is met, or do all three have to be met?
- How are ties decided at the end of a game?
- If two players fulfil the same mission in the same turn, do both get the highest value?
- Do I have to accomplish a mission as soon as I meet its requirements?
- Can a mission completed by end-of-game scoring still be claimed?
Campaign mode
- Who is "you" in the campaign book, and who becomes Captain after a game?
- What happens to the Captain and the victory star if the first place is tied in a campaign game?
- How is the campaign winner decided, and how many loops are there?
- Who earns stars in a campaign Adventure: only the winner?
- Can I use cards unlocked in the campaign when playing standard Adventure mode?
- Does the introductory campaign unlock cards or change the story?
- Can I play with the B side of a campaign card before unlocking it?
- Do I need a new Dashboard for each new campaign?
- How do I choose Mission cards if the campaign text doesn't say?
ASTRA solo mode
- Where do the A, B and C ASTRA Effect cards go in the draw deck?
- In solo mode, are the Starship cards placed number side up or action side up?
- Can I look at both sides of my three cards before deciding which one goes to ASTRA?
- When I draw an ASTRA Effect card, when do I draw its replacement?
- What changes on the second draw of an ASTRA Effect card?
- When does the solo game end because the deck runs out?
- Does ASTRA ever complete missions, and can it end the game that way?
- What happens if my score ties ASTRA's?
- What does a circled Solo bonus do?
- In Adventure #8 solo, does ASTRA benefit from Bonus symbols?
Adventure #1: The Launch
- In Adventure #1, when can I cross off my circled System Errors, and can rockets overflow?
- Do uncircled System Error boxes matter, and can I cross them off?
- What happens if all my System Error boxes are circled in Adventure #1?
- If a sabotage adds a System Error in the turn my rocket would launch, do I still launch?
- How is the final score calculated in Adventure #1 when nobody launches?
- What are the 8 extra rockets next to the final score for?
- If a launch and another end condition happen in the same turn, which applies?
- Do I have to resolve a completed quarter's effects at once or in a set order?
- Where can an Activation effect be used, and what about inactive rockets?
- Does an X from a Building effect count, and does it trigger the room's effects?
Adventure #2: The Journey
- Does the number I write have to match the water tank to circle it, and what if I write in a water space with another action?
- Can the Planning X go in any space, even one with a symbol, and does it trigger it?
- How are the "most zones" points awarded when players tie?
- Do zones counted for missions or scoring have to be filled with numbers?
- How do System Errors score in Adventure #2?
Adventure #3: The Colony
Adventure #4: The Mine
- Is the number of Planning actions limited in Adventure #4?
- Can one Water or Plant action circle two resources next to my cavity?
- Does writing an X circle pearls and rubies in the space?
- What is the filling bonus in the main factories, and who gets it?
- Do energies and robots have to be crossed off in a certain order, and can an Energy action cross a Robot?
- Can the three robots from the right secondary factory go to any factory?
- Do mine columns need ascending order, or only rows?
- How many plants does the Adventure #4 plant mission require?
- Does the main factory bonus need one connected resource or all of them?
- In campaign chapter 16, what happens when I can't write a number without error, and can well numbers be reused?
Adventure #5: The Dome
- Can one player take both the top and bottom bonus of the same skyscraper?
- How is the Astronaut scoring calculated in Adventure #5?
- Where can I build dome sections, and can I build on both sides?
- If Planning cuts a dome section in half, how many unbuilt sections count at the end?
- What counts for the mission "write an X in 4 levels with Planning actions"?
- Which skyscraper bonus do I cross off when an ASTRA Effect card is drawn, and how many Solo bonuses do I get?
Adventure #6: The Virus
- Does the grey virus propagate, and does it propagate at the end of the first turn?
- Does a propagation happen every turn, and how many per turn?
- In what order do several active viruses spread?
- How does a virus spread when its quarter isn't full, and what stops it?
- Does a virus keep spreading from an evacuated or complete quarter?
- Does a virus spread from every infected quarter or only from its starting quarter?
- If one player activates a virus, does everyone's sheet change?
- If virus spread lets another player complete a mission in the same turn, can they claim it?
- Can I complete a quarantine mission after the virus has already spread in, or use evacuated quarters?
Adventure #7: The Escape
Adventure #8: The Battle
- What is the order of resolution when my insignia fills a planet's last space?
- Must I take the action, and where does the Robot insignia go?
- At game end, who controls an unfinished planet with no insignias?
- How do circled Astronaut symbols work in Adventure #8?
- Can each mission be accomplished on both sheets?
- What happens when the two sides' rockets meet on the rocket track?
- How is solo Adventure #8 set up, and how is a tie decided?