Starters

How to Play Interactive Fiction (An entire strategy guide on a single postcard), written by Andrew Plotkin with design by Lea Albaugh (CC BY-SA 3.0 US). This postcard shows the typical pattern of commands used in parser-based IF.

General

• FAQ — The ifwiki Interactive Fiction FAQ.
• Overview of If (archive) by David Fisher.
• Introduction to IF (PDF) (archive) by Emily Short.

Playing

• See also: Recommended games.
• Parser commands in several languages
• IF Cheat Sheet by Andrew Plotkin.
• A Beginner's Guide to Playing IF by Fredrik Ramsberg.
• See Interpreter and the various pages in the navbox there (e.g. iOS interpreters)

Authoring

• Interactive Fiction Community Forum has an Authoring category with several sub-categories.
• Writing IF by David Fisher.

This page needs to be updated.
An "introduction" section explaining the page's purpose would be helpful. The content should be fleshed out with links to other IF Wiki pages and more recent resources.