Expansions

Expansions are extended games with more game-play features that are played with Twilight Imperium.
== Fourth Edition ==
The Fourth Edition of Twilight Imperium has seen 4 expansions. One formal expansion and three digital codexes (printable new and/or updated cards and components).
* TI4: Twilight Codex Volume I: Ordinian (2020)
* TI4: Prophecy of Kings (2020)
* TI4: Twilight Codex Volume II: Affinity (2021)
*TI4: Twilight Codex Volume III: Vigil (2022) 
== Third Edition ==
The Third Edition of Twilight Imperium saw 2 Expansions:
* TI3: Shattered Empire (2006)
* TI3: Shards of the Throne (2011)
== Second Edition ==
The Second Edition of Twilight Imperium saw 1 Expansion:
* TI2: Hope's End (2001)
== First Edition ==
The First Edition of Twilight Imperium saw 3 Expansions: 
* TI: Borderlands (1997)
* TI: Distant Suns (1998)
* TI: The Outer Rim (1998)