• How to gain Networth
• Mathamatical Formulas
• Trivia
• Guide to Types of Military
• Guide to Types of Buildings
• My proposal for how Earth 2025 should be changed
• Web Ring and Links

I am no longer playing Earth 2025. This page will remain static. You may copy any information here to your own webpages etc. Check the links for mirrors and other strategy pages.

Always under construction. Until Earth 2025 stabilizes (A.K.A. stops changing so much) I will probably not be updating it as much. School work, my life and also Study are taking up most of my time. I may begin keeping this page uptodate in the summer. I will still sometimes add links to other pages.

Added 1997-Dec-19 The amount of food military consumes.
added 1997-Dec-25 Beta Guide to types of Buildings.
added 1998-Feb-14 Rewrote Gaining Networth section.
added 1998-Mar-21 Tech produced in one turn, recieved from Daniel Wahlqvist
added 1998-July-25 Several Links
added 2002-Jan-26 Added link to Daniel Eloff good page.

This webpage is designed for YOU. If there is any information that YOU want to see here email me I am no longer interested in email about Earth 2025

Thanks to blackout (who wrote most of the original gaining Networth section) and catmaster for some of the tips.  I am willing to include any submissions you send me if I think they are worthwhile.

I am interested in any information about the game that is not in solaria docs.

How to gain Networth:

Note: These are my recommendations, not the law

Stage 0: Read (or at least skim) all the documentation

The documentation that Solaria provides gives a good overview of how the game works. Reading it all will help greatly. It is available at Instructions

Stage 1:Your first hundred acres

The goal at this stage is to fill up those empty acres and build up enough economy to be able to fill up the land you will explore.

First, change your tax rate to 20%-35% and change your economy to what you want it to be.

Begin by building 5 Enterprise zones and 5 Residenceses. You will need about 10-15 farms to feed the population on a hundred acres. When you don't have enough money to build as many buildings as you can, build construction sites. Continue building contruction sites, enterprise zones and residences (and if you want industry) until the hundred acres are filled. Keep the number of enterprise zones and residences about constant.

A somewhat common newbie mistake is to begin attacking in this stage. Don't attack. It wastes military, annoys people and gets you less land then you would get if you explored.

When you have filled up the land, you are ready for the next stage.

Stage 2: Gaining technology and land

The goal at this stage is to gain technology and to build up land. Only with a solid technology base will your country be able to thrive. The amount of land you have is a huge factor in your success. Large amounts of land can produce the most military.

Prior to massive exploration you want about 100 enterprise zones, 90 residences, 30 farms, and 70 construction sites. (You will have to explore about 200 acres to do this

Explore until you have about 2000 acres. Now you are ready to gain technology.

There are three ways to gain technology:

1. Build Research Labs. This is the simplest and the way I recommend for the beginning country. Fill about 80% of your land with Research Labs and then research using them. When you are done destroy all the labs and fill up the land with something else.
2. Buy technology. Typically in the marketplace the prices I see for technology are too high for a starting economy (especially early in the game). I recommend this method for later in the game when your economy is strong (aka large amounts of money are available). Watch the market for a few days and wait until the tech you want is cheap.
3. Steal Technology. Basically you use Espionage against countries with a lot of land. I do not recommend this strategy since spies are increadibly expensive, and countries don't take to kindly to having tech stole from them. One country in a game I was playing stole 3000 tech per turn (from me). That was far more than you get from research. However the country no longer existed 24 hours later (when I looked for them so I could wipe them out >;-) ).

This is the first stage that you have to worry about defense. Before you begin to worry about research first build about 50 or so industries. Produce lots of turrets and a little of everything else (I personally set it to 60% turrets, 10% everything else). These industries will steadily pump out military with out you having to worry about them.

The maximums (if Patel hasn't changed them yet) in technology are Military 83%, Medical 67%, Business, Res, and Ag 200%, Warfare 10%, Weapons 150%, Industrial 150%, and SDI 100%.

Continue to gain technology until you have come close (with in a few percent) of maxing out the technologies. Then double the tech levels of the technology that is vital to your strategy (for example if you are planning on selling military, double the Military tech levels.).

When you are done gaining technology you are ready for the next stage.

Stage 3: Long term strategy

The Goal, Become ranked number 1

You have probably been playing for about 1-2 weeks. Your country is now begining to become strong. You have a solid technological and economic basis to do what ever you want. Now you have to choose how you want to try and win the game.

Basically there are two over all strategies:

Militaristic

• Advantages:
  You can gain land real fast. Every successful regular attack gains 10% of the land of the person attacked or 10 acres, whichever is greater. If you can pull off a successful attack against the largest player, you can gain thousands of acres per turn. Performing multipule successful attacks will give your country leaps and bounds in networth.
• Disadvantages:
  You can lose networth real fast. All it takes is one highly annoyed country to decide and take you down to seriously harm you. In B1 about two resets ago I was ranked about 200. I attacked a player ranked 400. This player had a ally ranked around 1000. The ally did many guerrilla attacks against me and I dropped over 500 in rank in the next 2 days. Never under estimate the ability of a country to harm you (Note: if you get in a similar situation regular attack the living daylights out of the weaker country). Other disadantages are you spend all of you time gaining military and attacking, leaving less time to build and other things. Another disadvantage is that your military must be offensive based (lots of jets) and less defensive based leaving you in a vulnerable position.
• Recommendations:
  Warning, I am a poor military player. With that said here are my suggestions. ATTACK ONLY FOR LAND. The only reason to begin a battle with another player is for land. The other types of attacks are usefull for revenge, and enforcing requests for peace. (Example, BigBadEmpire regular attacks you and repeatedly wins. You gurilla attack BigBadEmpire successfully and send a message requesting they stop. After the attacks you have a better chance of BigBadEmpire listening.) Look on the scores list and then attack countries with high land/networth ratios. Its better to attack a country with 5000 acres/1M networth then a country with 2000 acres/2M networth. Create good defensive and intellegence alliances. From another player: 1. As soon as you're out of protection, attack the player(s) who has the most land. Because the players that have the most land often doesn't have any military... 2. As soon as you haven't got any free acres, attack immediately. Do NOT explore...

Peaceful

• Advantages:
  You can steadly gain land and resources for ever with out having to worry about other countries getting mad at you. Every single reset you can get in the top 15%-1%.
• Disadvantages:
  Substatially slower at gaining land.
• Recommendations:
  The three methods are not exclusive. In game P1 I am primarily a seller, but I still have about 5% of my land in industry and 45% in enterprise zones, residences and farms. A good player will use a combination to try and win. Regardless of what method is choosen most of your turns are spent exploring or building. When buying military check both purchasing and the market.

  There are three main nonmilitarist ways to gain networth:

  1. Enterprise Zones and Residences and Democracy (or Republic)
     In this you have about 50-100 construction sites. Build enough farms to feed your military and people. Fill the rest of the land with about a 10:9 ratio of Enterprize zones:Residences. The goal with this method is to have a high tax rate so you can buy military.
  2. Industry and Communism
     Build as many farms as needed to feed the people and military. Build enough Enterprize zones and Residences to pay for expenses. Another way is to constantly sell your militry on the market to gain enough money to pay for food and for expenses. I have never tried this method.
  3. Military Bases and Democracy
     If done well this method has the potential to come in number 1. However it takes a little effort to do well. Build as many military bases as possible. Watch the market closely. Find out with military you make the most profit on selling. Sell as much of that military as possible. ALWAYS purchase your military BEFORE you play your turns to avoid the 2% turnly tax. Try to sell $1-$10 below the normal price. Learn the formulas that govern the game. Expect competion.

Misc. Suggestions

Use the daily challenge and logout after turns. This will give you 4-5 more turns a day.

Also, try tweaking your tax rate. Start at 25%. There is a perfect balance where you can make the most money, though. So, you might want to lower it a little.

Here are some formulas:

Note: all the formulas are ±1% and ±1.

Note: have not update for Jan 20 server reset.

ARC=Old formulas no longer used

S2=server 2 and server 1 (Note: I haven't checked all the formulas on server 1 yet or server 2 Jan 20 reset)

A=acres

UA=unused acres

TR=tax rate (example .25 for a 25% tax rate)

CS=construction sites

RE=Residence areas

EZ=enterprise zones

Lab=total number of research labs

PCI=Percapita Income

EffectProductivity gotten on the Research page. For Example if it said Max Productivity: 105% of Normal then EffectProductivity=1.05

EffectPopulation is similar to Effect Productivity

POP=population

POP±5=12*(1-TR)*(A + 2*RE)*EffectPopulation

PCI=floor(EffectProductivity*(22.75-25*TR)*(1 + 2*EZ/A)*(democracy 1.15:Republic 1.08: Monarcy 1:Dictatorship .87: Tyranny .83)

Networth=95*A + 70*(A-UA) + 2*troops + 2.5*jets + 2.5*turrets + 8*tanks + nuclear + chemical + biotech + POP/3 + money/10000 + Sum_of_Tech_Levels

S2:amount of construction/turn + -1=floor((.33*CS + 5)*(democracy 1.1:else 1))

cost of construction=2*A + 1500

production of farms=EffectAgriculture*(45*Farms + UA*4)

cost of military=.15*troops + .1*jets + .1*turrets + .53*tanks + .8*spies

cost of land=4*A

expected taxes=PCI*TR*POP

tech produced in one turn = 0.4*lab(1 - (1 - lab/A)/2) + 3

Thanks for the above formula, Daniel Wahlqvist

ARC:amount of construction/turn=floor((.5*CS + 5)*(democracy 1.1:else 1))

ARC:purchase cost of military=cost*(1-.5*MilitaryBases/A)   (In other words the effect of military bases (was wrong))

ARC:cost of military=0.08*troops + 0.097*jets + 0.097*turrets + 0.255*tanks + 0.3*spies

If you know of anymore formulas or think these are wrong contact me at I am no longer interested in email about Earth 2025

I have obtained these by statistical analysis.

Trivia:

This info is archaic

About industry: Did you know that industries can produce military even when the country can not pay the expenses on it? I lost a game because of that fact (I had destroyed his economy by guerrilla warfare but could still not beat him in regular attacks).

In my experimental country I found out that raising taxes to a level (like 35%) will give a higher population than lowering taxes to the same tax level. Tax Pop up to 35 % from 30% 803 down to 35 % from 40 % 799

There is not much difference but it is a interesting fact.

Here are the Research maximums.

It never goes past 200% on population/economy. 67% for the first two. 10% for warfare and 100% for SDI.

Guide to types of military

Troops

• Useful for Gurrilla Attacks. Countrys should always keep a few around to protect against gurrilla attacks.
• Networth: 2 per troop
• Cost: $120 (at start of game)
• Expense: $.15 per troop per turn
• Food: .004 B/turn

Jets

• Useful for Bombing Raids. Countrys don't need to keep any since they are only offensive. However they are useful since they are tough to destroy.
• Networth: 2.5 per jet
• Cost: $144 (at start of game)
• Expense: $.1 per jet per turn
• Food: .0032 B/turn

Turrets

• Useful for Defense. Countrys should always keep many of these around since turrets are cheap to maintain.
• Networth: 2.5 per turret
• Cost: $144 (at start of game)
• Expense: $.1 per turret per turn
• Food: .0032 B/turn

Tanks

• Useful for Artillary Barrages. Countrys should always keep a few around to protect against artillary barrages. Each artillary barrage destroys 10% of the buildings.
• Networth: 8 per tank
• Cost: $456 (at start of game)
• Expense: $.53 per tank per turn
• Food: .009 B/turn

Spies

• Useful for Information. Spies are the most expensive but they are also the most valuable. I recommend that you find a good intel alliance and join it. Intel alliances are almost always cheaper than maintaining the spies yourself since it spreads the cost around. A good spy force can give you the most valuable thing, information. This information can be used to determine if it is a good idea to attack a opponet and what type of attack to use. Each unsuccessful spy attack loses 2.5% of your spies. Each successful spy attack kill 3% of their spies.
• Networth: .3 per spy
• Cost: $420 (at start of game)
• Expense: $.8 per spy per turn (ouch)
• Food: .015 B/turn (ouch)

Guide to Types of Buildings

All Land

• Description: Land is gained by exploring or regular attacks. Until you have at least 2000 acres it is far easier to explore for land than to capture it and usually faster. After your nation passes 2000 acres till about 5000 it is a question of taste as to how to gain land fastest. The effects described are for all land.
• Effects: The effects of land are many. Population can increases by 24 to 5 per acre depending on taxes and technology. Each acre is worth 95 in networth. Adding a building increases the networth to 165(=95+70). Increasing land increase construction cost, decreases technologies effect and affects many types of buildings. I'm haven't described all the effects.

Empty Land

• Description: Same as Land except food is grown. Try and keep the amount of empty land to a minimum.
• Effect: Increases food production by 4 to 8 depending on agricutural tech

Enterprise Zones

• Description: Increase the PCI.
• Effect: 25% of land covered by Enterprise zones, PCI 150% above original, 50%:200%, 75%:250%, 100%:300%. Your PCI increases based on the percentage of land covered by Enterprise Zones.

Residences

• Description: Place for population to live.
• Effect: 3 times as many people can live in Residences as can live on land. 48 to 10 more population can live on your land after adding 1 residence.

Industrial Complexes

• Description: Build military. These are the best way of producing military.
• Effect: Each industry built can produce about 4 troops OR 3.5 jets/turrets OR 1 tank OR 1.5 spy

Military Bases

• Description: Lowers the cost of military purchases. Could be used to make a killing in selling to the market. Other wise useless.
• Effect: 50% of land covered by Military Bases, Cost of military is 75%, 100%:50%. For every 2% of land covered by Military bases the price to purchase military decreases by 1%.

Research Labs

• Description: Increase the amount of research you can do.
• Effect: Produces between .2 and .4 tech each, depending on percentage of land covered. Thanks Daniel Wahlqvist

Farms

• Description: Increases food production. 1 farm feeds 450 to 900 people depending on technology.
• Effect: Increases amount of food produced by 45 to 90 bushels depending on tech (Monarchy).

Construction Sites

• Description: Increases the amount of Construction that can be done.
• Effect: Every 3 construction sites built increase the amount of buildings that can be built per turn by 1. (If you want to be able to construct 10 more buildings per turn, build 30 construction sites)

Purpose of Section

This section is designed to be a more understandable version of the formulas. I have receive several emails saying the formulas are not understandable. I hope this section clears up some of the mystery. The formulas are more accurate since I have oversimplified several times.

If you don't understand any part of this section please email me at I am no longer interested in email about Earth 2025 and I will work on making it clearer and try to explain it to you.

Let the Players Choose!

This idea is probably dead. I no longer care about it.

Evolutionary Game Selection

Survival of the FUNNEST

I propose a new way to decide how changes are made.

1. Every server restart should have 10 different types of games. In each type of game there would be several games.
2. At server restart the 5 types of game with the most players in them continue to be played.
3. 5 new variations are created. The cycle continues.

(Basically: Have several different types of games and keep the most popular)

Proposed game types (variations):

• Classic 1.x game
• 2.0 game
• Delayed Attacks
• Unlimited Game (no networth attack restrictions, no 10 attacks per day resrictions ect)
• Fast Game (3 turns per hour)
• Relaxed Game (1 turn per hour)

What do you think? Email me at I am no longer interested in email about Earth 2025

Think its a good idea? Create a updated webpage about it.

Here is my GuestBook for comments

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Earth 2025 Web Ring

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Here is a link to the game at Soliaria Earth 2025

http://www.geocities.com/Area51/Cavern/1336/strategy-overview.html The Best Strategy Guide I have Found

http://www.bcl.net/~rbridal/tips.html Another Strategy Guide

Link to a utility to calulate optimum building

Mirrors and Misc

http://www.geocities.com/Tokyo/Ginza/1794/earthstrategy.html This site is a newer version of my strategy guide.

http://earth2025guide.20m.co

http://members.xoom.com/quickbar/earth2025/index.html This site contains a mirror (more or less) of my strategy page along with a few other odds and ends.

http://www.angelfire.com/pa/DougsHomepage/Earth2025.html Another mirror of my strategy page with some original material.

http://helpmygame.com/earth A page that has newer info than mine.

As stated at the top of this document I am no longer interested in Earth 2025. However email me if you have created a copy/improved version of this website and I will create a link to it. Email:jjc@iname.com

Stellar Crisis is the only Play By Web game I currently play. Here is a link to The Stellar Crisis Room

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