Earth 2025 is a strategy game which can be played at http://www.solarianet.com/games/
This is a free, text mode wargame.Despite its text interface, I must say I really enjoyed playing it.That is why I strongly recommend you to register to this game.
Some of the options are simplely and shortly explained here.
-Go to the government analysis
-Go to the attack/spy analysis
Goods market analysis:
The goods market enables you to buy goods that your buildings normally provide by taking turns.
these are:
-Men
-Tanks
-Jets
-Bushels
-Nukes
-Chemmiss
-Bacteriological missiles
Tech market analysis:
this
market enables you to "buy" researches that you
normally do by researching and take turns.This has the advantage
of taking no turns and then you can make a lot of researches if
you have money.Can make the difference between you and other
countries.
If you want to know more, go to the research analysis