Looking for a game

Im looking for a game similar to Europa Universalis 3

My requirments are

Set in the Ancient setting of Israel,Bablyon,Rome,Carthage,and many others

Large World map

Many playable factions (preferrably the ones listed above)

3d

Another game I am looking for is a

4x sci fi game with

Large Universe-galaxies

Many factions

Ship design

Good Combat

3d

The last game I am looking for is

An rts game

With a HUGE scale many units

Reasonable file size

Many factions

Many strategic options

Base Building