Environ is a hostile place, but the game itself endeavors to teach you everything you need to know as you get started. However, if you wish to know more about how the game works before playing, or if you're the sort of person who simply prefers external manuals, then these are the links for you!
A Valley Without Wind Wiki: Learning The Game
Getting Started Guide
What Are All These Maps For?
Frequently Asked Questions
Multiplayer Co-Op: Differences From Solo Play, And Other Notes
We'll continue to update the wiki as our centralized resource for this sort of thing from now on, rather than having it spread throughout our blogs, the forums, the main website, and so on. Big thanks to Josh Knapp for getting the vast majority of these updates in place!