Tips for Beginners

A 4 parts starter guide for the MoO Noobies
Read before you open up the game manual - by Sirian
Empire Management For Dummies
The Early Turns
The Middle Game
The End Game

Succession Game Readiness Quiz and Guide
If you're thinking about joining a succession game, here a good guide of the basic to know before joining - by Sirian
SG Readiness Quiz
SG Readiness Guide