The frankenstein building monster that is Empire in the Sky! Aside from roguelike and empire conquest, you get to actually build cool stuff.
Building 101: Ships and Weapons
A short lesson that demonstrates Empire in the Sky. It's not fast-paced, but shows you exactly how to approach creating your own starship and weapons.
Building 102: Bases and Buildings
A short treatise on making your own starbase by using the building tool, and creating building components to attach to it. Starbases provide storage, research, training and other valuable services that make your empire stronger and increase your zone of control. Getting a foothold on hostile planets is another way to control space.