Official Rules

Official Twilight Imperium rules, from Fantasy Flight Games:
Learn to Play
Living Rules Reference 1.3 - Final Base Game LRR 
Living Rule Reference 2.0- Includes Prophecy of Kings components 
Codex - Component updates and new components 
Errata - Official Printed component correction 
FAQ - Official Rule Clarification 
== Game Phases ==
# Strategy Phase
# Action Phase
# Status Phase
# Agenda Phase
== Additional Rules ==
* Abilities
* Trade Goods and Commodities
* Neighbors, Transactions, and Deals
* Elimination 
* Spending Resources and Influence
*Imperium Rex
=== Concepts ===
* Adjacent
* Blockaded
* Captured
* Capacity
* Combat
* Readied and Exhausted