From the publisher’s rulebook
Who goes first in Exoplanets?
Board&Dice English Architecture of the Universe rulebook

The player who can name the most of Jupiter's moons takes the first turn. Alternatively, choose the starting player by any random method.
Rule details
Players first state how many moons they can name, then name them in any order.
After each turn, play passes to the left.
Source & edition
- Exoplanets Rules: Architecture of the Universe English editionBoard&Dice · Detailed Description of Gameplay, opening paragraph · Checked 2026-09-23Printed page references: 4
Image: © Board & Dice and Przemysław Świerczyński · Publisher or edition-identified retailer as specified in provenance
If your rules call for a random choice, use the player picker.
If there’s a tie
The rulebook doesn’t say. If you need a tie-break, pick a player at random.
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