The objective in Galcon is to conquer all of the enemy's planets. This is done by moving ships from your planets to the planets you want to take over. There is also a time limit mode (Vacuum) where there are no enemies, but you have to conquer all of the planets on the map within a set time.
These tips are mainly for 1 player (vs AI) games:
These tips are mainly for multiplayer games:
If you've beaten the single player modes and are stuck at Admiral, or Grand Admiral difficulty levels, take a look at our special Galcon Admiral's Guide.