Here is the full list of all 14 SuperPower 2 Steam Edition achievements.
Reach level 10 in all technology fields
World population cut in half since start of the game
Become self-sufficient in all resources
Conquer a friend
Nuke something
Mastermind a Coup D'État
Build the AMDS
Attain 95% approval and 90% stability
Conquer a complete country
Conquer a single territory
Win your first conventional battle
Create a new military design
Rule the world
Alliance with the world