Pre 0.4 version 1:
It was divided by regions.
It focuses between red and blue team.
Was shortly after abandoned.
First known version to feature tiles.
First time Ukiland appeared in a game.
There were many islands.
To advance and move on another island, you must conquer your island first.
One of the islands was called Osonya.
It featured special nations (pirates, robots, aliens,...) spanning entire islands
You can only play as Ukiland.
City planning including corportations.
Can bomb cities.
Different unit classes.
Everyone has it's card.
There were no tiles, only regions.
There were different units.
Didn't feature Ukiland.
Discovery of other nations.
You could pay to be premium.
Everyone had it's own hero.
Different jobs for a hero.
Espionage is present.
Featured scrapped make-a-unit.
Much like version 0.7.
Second to feature Ukiland.
You had "Government Infulence".
You could influence religions.
Features map counted in little squares (tiles).
There was an encyclopedia covering (almost) all nations.
No irl-based city-states.
Five types of cities (capital, town, city, wonder and religious site).
City-based special resources (you can only get resources by capturing the city).
Christianity had no bonuses and no flaws.
Nations had Traits.
Much like version 0.5, although not as deep
Featured a completely new nation, as well as a new continent
It had a catalogue of units
Different vehicles that build faster
Featured three city districts - the center, suburbs and rural area
Population and happiness
Instead of attacking randomly, you attack different nations and claim their resources
Campaign map featured tiles, with every tile having an army
Version 2.0 Alpha:
No Fascist League.
Better trade routes.
More types of cities (added industrial and medieval cities).
Reused ores from 0.5.
Two types of nations (nations and city-nations)
Features special resources (Chrome, Planet core, Cobalt,...)
Cities are now known as regions
Nation traits make a comeback
New luck-based system which enforces more planning (3-sided dice rolling)
Different, more realistic map
Fresh and salt water
Nations can use super powers
Rivers are replaced by fresh water (including lakes)
Political choice effects has been reduced to a mere diplomatic boost
Medieval cities changed to Tourism cities
No more IRL religions.