Official rule text
USING THIS KEY CONCEPT: BOOKLET SYSTEMS AND PLANETS The game board for Twilight Imperium is formed using The purpose of this booklet is to teach new players modular system tiles. Each tile represents a single system how to play Twilight Imperium. It is recommended in the galaxy, which may contain one or more planets or that players read this booklet in its entirety before other celestial bodies. playing for the first time. Placing Units on System Tiles This game also includes a Rules Reference, which When a unit is placed in a system, it is placed in one of describes detailed rules and exceptions that are two areas on the tile. Structures and ground forces are omitted from this booklet. As questions arise during usually placed on planets, while ships are placed in the game, players should consult the Rules Reference space—the star-filled area surrounding the planets. rather than this booklet.