Guide, manuals & links

OW Manual

Best reading around is The Fantastic Manual wrote by VeloCiryx

Guides

• New player guide by Voqar: https://voqar.github.io/index.html

• There is a set of guides linked on the subreddit: https://www.reddit.com/r/OldWorldGame/comments/gh6kfg/list_of_most_guides_of_the_game/

• Donblas also wrote up the early game technology guide: Donblas' Early Technology Guide

• Ilya put together a guide about joining or organizing multiplayer games ⚔️ Multiplayer guide

• There is also a list of shorthands used in the Old World community.

• Questions a player familiar with the Civilization Franchise might face: Questions a civ player might have.

Links

• Not at all a guide, but excellent reading are Soren Johnson's developer notes on Old World game design.
• A great introduction to modding are Dale's excellent tutorials at http://dales.world/ so you can start Modding.