1 Ethics important for diplomacy. races favour their own alignment.
the good races: altaran, torian, iconian, drath
neutral: thay krynn terran! arcean
evil : drengin korx yor korans
2 planet specalisation build research planets on low quality. manufacturing on middle. economic on high(usually initially your start planet)
3accidentally giving all you money to a race on trade screen = bad
4 if going for a diplomacy victory or such sell techs liberally to aligned races at start making money and boosting your alignments side in the galaxy
5dont build scouts. buy. deprive enemy
6 if culture hugging planets (i build three inf bases in orbit for toughest planets)buy influence points off victim
7 use inf bases to provoke enemies into wars "we know what youre doing"
8 making "evil choices" when they come up doesnt effect your alignment as much as you'd expect
9 buy colony ships with all of your start money
10 missles are the best weapon line generally speaking good and evil aligned race get special bonus techs here defence and attack respectively
11 look at trade windows to see what weapons races are building and counter
12 defences powers drop to their square root against mismatched weapons eg ecm vs lasers so one ecm is still one strength