The Galacticraft Wiki includes several tutorials.
- Getting Started Guide
- Pre-flight Checklist
- Oxygen Tutorial
- How To guide covering many of the possibilities in the mod.
There's also of course an Installation Guide - guess that one's pretty important!
For more in-depth knowledge, you may like to check out these concept pages:
- Rocket Tiers
- Planet Selection Screen
- Space Race Manager Screen
- Air Lock
- Sealed Space
Air Lock tutorial by Douglas Fresh
Tutorials for the original Galacticraft made by micdoodle8 - note these are now more than 3 years old!