Direct-combat units (except soldiers) get a -10% offense power penalty
Transport units have +1 movement range
Soldiers capture buildings at a 1.5x rate (rounded down)
Transport units have +1 movement range
Soldiers capture buildings at a 1.5x rate (rounded down)
 CO Power: Double Time
  CO Power: Double Time 

 
  
Sami's soldier units get +1 movement range and +20% attack boost
All units get +10% defense boost
 Super Power: Victory March
  Super Power: Victory March 






 
  
Sami's soldier units get +2 movement range and +50%
Soldiers can capture properties (including HQs) in one day, regardless of HP
All units get +10% defense
Max
 Weight Training
   Weight Training Studying
   Studying Non-infantry direct combat troops are top-notch with +20% offensive  power, but indirect combat units have a -1 attack range and -10%  firepower
    Non-infantry direct combat troops are top-notch with +20% offensive  power, but indirect combat units have a -1 attack range and -10%  firepower CO Power: Max Force
  CO Power: Max Force 

 
  
Max's non-infantry direct combat units get +20% attack boost and +1 movement range bonus
All units get +10% defensive bonus
 Super Power: Max Blast
  Super Power: Max Blast 




 
  
Max's non-infantry direct combat units get a +40% attack boost and +2 movement range bonus
All units get a +10% defense boost
Nell
 Willful students
   Willful students Downtime
   Downtime She is lucky, meaning that her units can deal up to +2 attack. (add randomly from 0% to 10% to the damage previewd)
   She is lucky, meaning that her units can deal up to +2 attack. (add randomly from 0% to 10% to the damage previewd) CO Power: Lucky Star
  CO Power: Lucky Star 

 
  
Nell's units have an improved chance for harder hits (she gets more lucky)
Defense of all units get +10% higher
 Super Power: Lady Luck
  Super Power: Lady Luck 




 
  
Nell gets even luckier, and her units can deal a lot more damage!
Rises defense of all units by +10%
Hachi
 Tea
   Tea Medicine
   Medicine Units can be deployed with 90% of the normal price
   Units can be deployed with 90% of the normal price CO Power: Barter
  CO Power: Barter 

 
  
Deployment cost lowers even more - to 50% of the normal cost
All units have their defense improved by 10%
 Super Power: Merchant Union
  Super Power: Merchant Union 



 
  
Deployment cost lowers even more, to 50% of normal cost
Hachi can deploy ground units from his army's cities
Improves defense of his units by 10%
Blue Moon
Olaf
 Warm boots
   Warm boots Rain clouds
   Rain clouds No terrain penalties in snow, but rain penalizes him as much as snow would do to any other CO
   No terrain penalties in snow, but rain penalizes him as much as snow would do to any other CO CO Power: Blizzard
  CO Power: Blizzard 

 
  
Snow covers the map for 1 day
Defense of his units rise by 10%
 Super Power: Winter Fury
  Super Power: Winter Fury 





 
  
Snow covers the map for one day
All enemy units are dealt 2 damage
Olaf's units get +10% defense
Grit
 Cats
   Cats Rats
   Rats Indirect units have +1 range and +20% attack boost, but direct combat units are 20% weaker offensively
   Indirect units have +1 range and +20% attack boost, but direct combat units are 20% weaker offensively CO Power: Snipe Attack
  CO Power: Snipe Attack 

 
  
All Grit's indirect units get +1 attack range and an attack power boost of +30%
All Grit's units get a defense boost of 10%
 Super Power: Super Snipe
  Super Power: Super Snipe 




 
  
All Grit's indirect units get +2 attack range and a +30% attack power boost
All units get a +10% defense boost
Colin
 Olaf and Grit
   Olaf and Grit Black Hole
   Black Hole Colin can deploy units for only 80% of their price, but his units have a 10% attack power penalty
   Colin can deploy units for only 80% of their price, but his units have a 10% attack power penalty CO Power: Gold Rush
  CO Power: Gold Rush 
 
  
Colin's funds are multiplied by 1.5
Defense of his units increase by 10%
 Super Power: Power of Money
  Super Power: Power of Money 




 
  
Colin's units get a power boost proportional to his current funds; for each 300G he has, there is a 1% attack boost (so, the attack power of his units is doubled when he has 30,000G). Note that the money is NOT used up.
All units get a +10% defense boost, regardless of money
Green Earth
Eagle
 Lucky goggles
   Lucky goggles Swimming
   Swimming Air units use 2 less fuel per day, and have a superior attack power of +15% and defense of +10%
   Air units use 2 less fuel per day, and have a superior attack power of +15% and defense of +10%Naval units have a 30% attack power penalty
 CO Power: Lightning Drive
  CO Power: Lightning Drive 

 
  
Eagle's air units get an attack boost of +15% and defense boost of 20%. Other units get only a +10% defense boost.
 Super Power: Lightning Strike
  Super Power: Lightning Strike 







 
  
Eagle's air units get an attack (+15%) and defense (+20%) boost; other units get a +10% defense increase.
All of Eagle's non-Infantry units that have carried out orders this turn can move again
Drake
 Open sea
   Open sea High places
   High places Naval units get +1 movement range and +10% defense bonus; however, air units attack with 30% less power.
   Naval units get +1 movement range and +10% defense bonus; however, air units attack with 30% less power.All units are immune to rain movement penalties
 CO Power: Tsunami
  CO Power: Tsunami 


 
  
All enemy units lose 1HP and half of their fuel. Drake's units get +10% defense.
 Super Power: Typhoon
  Super Power: Typhoon 





 
  
All enemy units lose half of their fuel and 2 HP.
Drake's units get +10% defense.
Brings rain to battle for one day.
Jess
 Dandelions
   Dandelions Unfit COs
   Unfit COs Vehicles have an improved attack power of 10%, but all other units are weakened by 10%
   Vehicles have an improved attack power of 10%, but all other units are weakened by 10% CO Power: Turbo Charge
  CO Power: Turbo Charge 

 
  
Jess's vehicles get +1 movement range and an attack boost of +20%. All units get +10% defense.
Fuel and ammo is replenished for Jess's units
 Super Power: Overdrive
  Super Power: Overdrive 




 
  
Jess's vehicles get +2 movement range and an attack boost of +40%, and all units get +10% defense.
Fuel and ammo is replenished for Jess's units
Yellow Comet
Kanbei
 Sonja
   Sonja Computers
   Computers Kanbei's units cost +20% to be deployed, but they are +30% powerful in both offense and defense.
   Kanbei's units cost +20% to be deployed, but they are +30% powerful in both offense and defense. CO Power: Morale Boost
  CO Power: Morale Boost 


 
  
Kanbei's units get an attack boost of +20% and the usual +10% defense.
 Super Power: Samurai Spirit
  Super Power: Samurai Spirit 





 
  
Kanbei's units get an attack (+20%) and defense (+30%) boost. Note that a 10HP unit in a 4-stars terrain (mountain, HQ) will always take NO DAMAGE while this Super Power is active. Regardless of enemy CO. Regardless of unit.
Kanbei's units' counterattack damage is multiplied by 1.5
Sonja
 Computers
   Computers Bugs
   Bugs All  units have +1 vision range and their HP is hidden from foes. However,  Sonja suffers from bad luck (damage percentage can be reduced by up to  10%). Counterattacks from her units are 1.5x stronger.
   All  units have +1 vision range and their HP is hidden from foes. However,  Sonja suffers from bad luck (damage percentage can be reduced by up to  10%). Counterattacks from her units are 1.5x stronger. CO Power: Enhanced Vision
  CO Power: Enhanced Vision 

 
  
Sonja's units get +1 vision and can see into non-adjacent woods and reefs, and +10% defense.
 Super Power: Counter Break
  Super Power: Counter Break 



 
  
Sonja's units get +1 vision and can see into non-adjacent woods and reefs
Sonja's units ALWAYS attack first, even if it's the enemy's turn, like if was her turn.
Defense of all units is improved by 10%
Sensei
 Lazy, rainy days
   Lazy, rainy days Busy malls
   Busy malls Power boost for soldiers (+40%) and Battle Copters (+50%), transport  units get +1 movement range, and vehicles and naval units have their  attack power reduced by 10%.
    Power boost for soldiers (+40%) and Battle Copters (+50%), transport  units get +1 movement range, and vehicles and naval units have their  attack power reduced by 10%. CO Power: Copter Command
  CO Power: Copter Command 
 
  
Sensei's B-Copters get an attack boost of +25%
Sensei's units get a defense boost of +10%
9 HP Infantry units spawn on all of Sensei's empty cities; they can be moved that turn
 Super Power: Airborne Assault
  Super Power: Airborne Assault 




 
  
Sensei's B-Copters get an attack boost of +25%v Sensei's units get a defense boost of +10%
9 HP Mech units spawn on all of Sensei's empty cities; they can be moved that turn
Black Hole
Flak
 Meat
   Meat Veggies
   Veggies Flak's units can have either good or bad luck - they sometimes deal more  damage than stated in the percentage, sometimes less. His bad luck  seems to appear more often. The range seems to be from -1 to +1 HP  damage.
    Flak's units can have either good or bad luck - they sometimes deal more  damage than stated in the percentage, sometimes less. His bad luck  seems to appear more often. The range seems to be from -1 to +1 HP  damage. CO Power: Brute Force
  CO Power: Brute Force 

 
  
There is an increase in dispersion rate, meaning that Flak's units can do super strong blows or little damage randomly. Also, all units get +10% defense.
 Super Power: Barbaric Blow
  Super Power: Barbaric Blow 




 
  
An even higher increase in dispersion rate happens, so there can be even more damage or almost no damage at all. His units get +10% defense.
Lash
 Getting her way
   Getting her way Not getting it
   Not getting it Lash's units get as much firepower bonus as defense bonus from terrain defense stars. She has no weakness.
   Lash's units get as much firepower bonus as defense bonus from terrain defense stars. She has no weakness. CO Power: Terrain Tactics
  CO Power: Terrain Tactics 


 
  
Movement cost over all terrains drops to 1 in both clear and rainy terrain; no effect in snowy days. Regardless of weather, all units get +10% defense.
 Super Power: Prime Tactics
  Super Power: Prime Tactics 





 
  
Doubles terrain bonuses for Lash's units
Defense of all units rise by 10%
Drops movement cost over all terrains to 1 for Lash's units (except in snow)
Adder
 His own face
   His own face Dirty Things
   Dirty Things Adder actually has no strengths or weaknesses; however, both his CO and  Super powers need very few stars (activation cost) to be charged.
    Adder actually has no strengths or weaknesses; however, both his CO and  Super powers need very few stars (activation cost) to be charged. CO Power: Sideslip
  CO Power: Sideslip 
 
  
Adder's units get +1 movement range and +10% defense
 Super Power: Sidewinder
  Super Power: Sidewinder 



 
  
Adder's units get +2 movement range and +10% defense
Hawke
 Black coffee
   Black coffee Incompetence
   Incompetence All  of Hawke's units have superior firepower (+10%). However, the amount of  stars (activation cost) for his Powers is exceptionally high.
   All  of Hawke's units have superior firepower (+10%). However, the amount of  stars (activation cost) for his Powers is exceptionally high. CO Power: Black Wave
  CO Power: Black Wave 



 
  
Hawke's units regain 1 HP, while enemy units lose 1 HP. Hawke's units also get +10% defense
 Super Power: Black Storm
  Super Power: Black Storm 







 
  
Hawke's units regain 2 HP, while enemy units lose 2 HP. Hawke's units get +10% defense as well.
Sturm
 Invasions
   Invasions Peace
   Peace Sturm, the evil Black Hole CO, has very powerful units. They have +20%  attack and defense ratings in relation to Andy and the movement cost in  all terranis is of 1 (except in snow, in which he gets the same terrain  penalties as the other COs). His only weaknesses are the absence of CO  Power and an insanely high activation cost for his Super Power
    Sturm, the evil Black Hole CO, has very powerful units. They have +20%  attack and defense ratings in relation to Andy and the movement cost in  all terranis is of 1 (except in snow, in which he gets the same terrain  penalties as the other COs). His only weaknesses are the absence of CO  Power and an insanely high activation cost for his Super Power CO Power: NONE!!!
  CO Power: NONE!!!  
Sturm's Super Power is THAT good
 Super Power: Meteor Strike
  Super Power: Meteor Strike 








 
  
Giant meteor lands on the battlefield and cause any units it hits to lose 8 HP, in a 5x5 diamond pattern. It DOES hurt allies (and his own units) too! It seems to be targeted on the group it can cause more money damage.
Sturm's units get an attack (+20%) and defense (+30%) boost.
DAMAGE CHART
This is important, each infantry has difference efficiency of damaging depends on your target, here's the chart for all encounter possibilities. In this chart the attacking unit has 10 HP and the defending unit is in a 0 defense terrain, and the COs have no strengths or weaknesses, like Andy vs. Andy. There are no difference between Advance Wars 1 and 2 except Advance Wars 1, instead of dealing 55% damage against Cruisers, now Medium Tanks only deal 45%.
| Atk - Def                   | Infantry                   | Mech                   | Tank                   | Md Tank                   | Neotank                   | Recon                   | Anti-Air                   | Missiles                   | Artillery                   | Rockets                   | APC                   | Lander                   | Cruiser                   | Sub**                   | B Ship                   | T Copter                   | B Copter                   | Fighter                   | Bomber                   | 
| Infantry                   | 55%                   | 45%                   | 5%                   | 1%                   | 1%                   | 12%                   | 5%                   | 26%                   | 15%                   | 25%                   | 14%                   | X                   | X                   | X                   | X                   | 30%                   | 7%                   | X                   | X                   | 
| Mech                   | 65%                   | 55%                   | 55%                   | 15%                   | 15%                   | 85%                   | 65%                   | 85%                   | 70%                   | 85%                   | 75%                   | X                   | X                   | X                   | X                   | 35%                   | 9%                   | X                   | X                   | 
| Mech*                   | 65%                   | 55%                   | 6%                   | 1%                   | 1%                   | 18%                   | 6%                   | 35%                   | 32%                   | 35%                   | 20%                   | X                   | X                   | X                   | X                   | 35%                   | 9%                   | X                   | X                   | 
| Tank                   | 75%                   | 70%                   | 55%                   | 15%                   | 15%                   | 85%                   | 65%                   | 85%                   | 70%                   | 85%                   | 75%                   | 10%                   | 5%                   | 1%                   | 1%                   | 40%                   | 10%                   | X                   | X                   | 
| Tank*                   | 75%                   | 70%                   | 6%                   | 1%                   | 1%                   | 40%                   | 6%                   | 30%                   | 45%                   | 55%                   | 45%                   | X                   | X                   | X                   | X                   | 40%                   | 10%                   | X                   | X                   | 
| Md Tank                   | 105%                   | 95%                   | 85%                   | 55%                   | 45%                   | 105%                   | 105%                   | 105%                   | 105%                   | 105%                   | 105%                   | 35%                   | 45%                   | 10%                   | 10%                   | 45%                   | 12%                   | X                   | X                   | 
| Md Tank*                   | 105%                   | 95%                   | 8%                   | 1%                   | 1%                   | 45%                   | 7%                   | 35%                   | 45%                   | 55%                   | 45%                   | X                   | X                   | X                   | X                   | 45%                   | 12%                   | X                   | X                   | 
| Neotank                   | 125%                   | 115%                   | 105%                   | 75%                   | 55%                   | 125%                   | 115%                   | 125%                   | 115%                   | 125%                   | 125%                   | 50%                   | 50%                   | 15%                   | 15%                   | 55%                   | 22%                   | X                   | X                   | 
| Neotank*                   | 125%                   | 115%                   | 10%                   | 1%                   | 1%                   | 65%                   | 17%                   | 55%                   | 65%                   | 75%                   | 65%                   | X                   | X                   | X                   | X                   | 55%                   | 22%                   | X                   | X                   | 
| Recon                   | 70%                   | 65%                   | 6%                   | 1%                   | 1%                   | 35%                   | 4%                   | 28%                   | 45%                   | 55%                   | 45%                   | X                   | X                   | X                   | X                   | 35%                   | 10%                   | X                   | X                   | 
| Anti-Air                   | 105%                   | 105%                   | 25%                   | 10%                   | 5%                   | 60%                   | 45%                   | 55%                   | 50%                   | 55%                   | 50%                   | X                   | X                   | X                   | X                   | 120%                   | 120%                   | 65%                   | 75%                   | 
| Missiles                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | 120%                   | 120%                   | 100%                   | 100%                   | 
| Artillery                   | 90%                   | 85%                   | 70%                   | 45%                   | 40%                   | 80%                   | 75%                   | 80%                   | 75%                   | 80%                   | 70%                   | 55%                   | 65%                   | 60%                   | 40%                   | X                   | X                   | X                   | X                   | 
| Rockets                   | 95%                   | 90%                   | 80%                   | 55%                   | 50%                   | 90%                   | 85%                   | 90%                   | 80%                   | 85%                   | 80%                   | 60%                   | 85%                   | 85%                   | 55%                   | X                   | X                   | X                   | X                   | 
| Atk - Def                   | Infantry                   | Mech                   | Tank                   | Md Tank                   | Neotank                   | Recon                   | Anti-Air                   | Missiles                   | Artillery                   | Rockets                   | APC                   | Lander                   | Cruiser                   | Sub**                   | B Ship                   | T Copter                   | B Copter                   | Fighter                   | Bomber                   | 
| Cruiser                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | 90%                   | X                   | 115%                   | 115%                   | 55%                   | 65%                   | 
| Sub                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | 95%                   | 25%                   | 55%                   | 55%                   | X                   | X                   | X                   | X                   | 
| B Ship                   | 95%                   | 90%                   | 80%                   | 55%                   | 50%                   | 90%                   | 85%                   | 90%                   | 80%                   | 85%                   | 80%                   | 95%                   | 95%                   | 95%                   | 50%                   | X                   | X                   | X                   | X                   | 
| B Copter                   | 75%                   | 75%                   | 55%                   | 25%                   | 20%                   | 55%                   | 25%                   | 65%                   | 65%                   | 65%                   | 60%                   | 25%                   | 55%                   | 25%                   | 25%                   | 95%                   | 65%                   | X                   | X                   | 
| B Copter*                   | 75%                   | 75%                   | 6%                   | 1%                   | 1%                   | 30%                   | 6%                   | 35%                   | 25%                   | 35%                   | 20%                   | X                   | X                   | X                   | X                   | 95%                   | 65%                   | X                   | X                   | 
| Fighter                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | X                   | 100%                   | 100%                   | 55%                   | 100%                   | 
| Bomber                   | 110%                   | 110%                   | 105%                   | 95%                   | 90%                   | 105%                   | 95%                   | 105%                   | 105%                   | 105%                   | 105%                   | 95%                   | 85%                   | 95%                   | 75%                   | X                   | X                   | X                   | X                   | 
| * When primary weapon runs out of ammo. ** Submerged Subs can only be attacked by Cruisers and other Subs. | |||||||||||||||||||
Weathers
In Advance Wars 2, there are three weather possibilities: rain, snow and clear. Most of the time it will be clear, but certain effects happen when the other two come:
RAIN: Vision of all units is reduced by 1 (minimum of 1). Movement cost for tread and tire type increases by 1 in woods and plains. Drake and Sturm are immune to the movement penalty. For Olaf, movement penalties in rain is the same as what the other COs would have in snow.
SNOW: Movement cost for tread and tire type increases by 1 in plains. Increases by 1 for all air units, everywhere. Increases by 1 for ships in ports and sea tiles. For Infantries, increases by 2 in mountains and by 1 in woods and plains. Olaf is immune to all movement penalties of snow.
SCORE CALCULATION FOR ADVANCE WARS 2
In Advance Wars 2, you will be given rankings according to the points you've earn throughout your performance in mission. These rankings will effect you in purchasing or unlock CO in war room. There are 3 parts:
Speed: 
Like Advance Wars 1, certain missions needs you to complete in certain amount of times to achieve secret missions. In advance Wars 2, instead of secret missions, your will be given points. Calculations? Easy, Complete the missions as fast as you can, the more days you spent, the more points will deduct. Each level have their dead line, (usually around 20 days, harder level will have more time, around 30 days).
Power:
This one, this stat will always the be one that pull down you ranking, believe me. You will need to vanish (yes, not only damage, but destroy opponent, in other word, wipe it out from map) as many opponent's troops as you can in 1 round, here is the formula (i get this info online, the formula accurate or not, i'm not sure, but it works for me). --Maximum # of enemies destroyed in 1 Day * 1000 / Total # of enemies built
Technique:
How many troops you have expended, or destroyed by opponent. Try not to let your troops destroy by combine them, this will save you lots of technique points.
~光之军~
advancewarsnet
 
ADVANCE WARS 1 & 2 CO BIO-DATA:
Orange Star
Andy
Restores 2 HP to all Andy's units
All Andy's units get a +10% defense boost
Restores 5 HP to all Andy's units
All Andy's units get a +20% attack boost
All Andy's units get a +10% defense boost
All Andy's units get +1 movement range
Sami