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Combat at a Glance

Combat aims to establish total dominance over an opposing force. To succeed, you must hone your tactical awareness. As commander of an entire nation, you need a deep understanding of the intricate details of modern war. Study the mechanics of close-combat attack and defense, as well as how combat might play out in different scenarios. Victory goes to the prepared.

  1. Diligence - Anticipate diplomatic interference and counter attacks, as well as growing insurgent areas.
  2. Effective strategy - Think ahead and don't waste resources. Every decision counts, especially when you are investing realtime.
  3. Resources - Keep an eye on your resource production. Consider provinces and cities that you require for further Arms Industries construction. If new territory is hard to acquire on your own, ally with someone.
  4. Diplomacy - Diplomatic relations will make or break the game and must not be undervalued.

The Tools of War

Army Stacking Penalties

fig1 - Low efficiency stack

To simulate modern logistics and fire-and-maneuver doctrines, you will notice a strict stacking penalty for units. Expect to see diminishing returns, and even negative modifiers, in combat strength, movement speed, and defensive capabilities.

High efficiency Medium efficiency Low efficiency

If marked yellow, the unit stack suffers from diminishing returns, i.e. every additional unit added to the stack makes it less effective. Once the indicator turns red your stack begins to suffer.

Missile Warfare

Missile cruise chemical.png Missile cruise conventional.png Missile cruise nuclear.png

Missile ballistic chemical.png Missile ballistic conventional.png Missile ballistic nuclear.png

Missile icbm nuclear.png

Modern battlefields are extremely hostile due to the very high amount of damage concentrated in very small delivery systems, such as Cruise Missiles.

Conflict of Nations allows dedicated air, ground, and naval units to fire conventional, chemical, and nuclear cruise missiles at military targets, amongst others. The strategic use of ballistic and intercontinental missiles of varying size, and payload, is simulated in the game.

Terrain Modifiers

Terrain places specific demands on the men and machines in CON. A unit's stats are directly affected by the type of terrain it is currently positioned on. Toggle the Terrain Types overlay from the Settings & Info Panel to aid your planning.

The following unit attributes are affected by terrain. You can view the modifiers for each unit through the Unit Info Panel:

  • Attack - A unit will be influenced either positively or negatively by this percentage when in this terrain while on attack.
  • Defense - A unit will be influenced either positively or negatively by this percentage when in this terrain while in defensive actions.
  • Speed Value - A unit will be modified by this percentage as it travels through the defined environment.
  • Hit Points - a unit’s Hit Points will be modified depending upon terrain.
  • Field of View - The sight range at which your unit can be visually detected varies by terrain. This is different from radar range, and is shown on the map as the brightest view around your unit


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Placing a unit stack on a provincial center-point will provide a defensive entrenchment bonus while it remains there. This is automatic and stops once the unit is ordered to move on. The entrenchment bonus can be increased through the construction of certain buildings.


You can order a unit that is engaged in combat to retreat to the nearest, friendly territory, at the cost of hit points. Only infantry and naval units can retreat.

Unit Healing

Building military hospitals will speed up the recovery time of units low on HP. Generally, ground units will recover a small amount of HP over the course of time when in friendly territory. Just as naval vessels repair over time when in shallow waters.

Hardened Bunkers

Protect your population against weapons of mass destruction through the construction of bunkers. The higher the bunker level, the more of a city's population will survive a serious attack.

Crimes Against Humanity

Units sent into enemy cities that are not yet conquered will start decimating the local population. This is considered a war crime and can have severe consequences with the morale of the player’s population – especially if large numbers of civilians suffer from this behavior.

Chemical and Nuclear Warfare

Probably the strongest weapons ever invented, these are the ultimate killers – albeit with a double edge. The resulting loss of life, devastation and contamination wrought by one of these weapons of mass destruction will not go unchecked by other nations and of the perpetrator’s own population. In Conflict of Nations there is the real chance of the world turning into a contaminated wasteland, populated by unhappy survivors. We warned you…


Insurgents are a special unit that pop out in a city as a rebellion mechanism. They are trained former military who are not easy pushovers because they are fighting for something they truly believe in, even if the “good guys” disagree, making them formidable and dangerous enemies. Even though they don't physically march into the city, they should be considered an attacking unit and treated as in the scenario "Offensive/ Defensive Engagement"- where the Insurgents are the Offensive unit.

Stealth Units

Stealthed units can have both meeting and offensive/defensive engagements, but on top of this, there is a First Strike / Ambush Bonus Damage.

Anti-Air vs Missiles

When you launch missiles against a target, we distinguish between two cases:

Point Defense

Missile directly attacking a unit stack that contains an AA unit

If the stack that your missile is attacking is/contains an anti-air unit, the combat tick is calculated as Point Defense. This means that the anti-air unit will defend itself every time against incoming missiles, i.e. there is no cool-down.

For example:
You fire two missile against an anti-air unit. It does not matter whether you fired your missiles one second or one hour apart, anti-air will defend against them every time.

AA Envelope

Missile attacking a unit that is standing within friendly AA Envelope

If the stack that your missile is attacking is a unit that is standing within anti-air range, but is not part of the same stack, the combat tick is calculated as AA Envelope. This means that the anti-air unit will go on cool-down before it can defend a close-by unit again.

For example:
You quickly fire two missile against an infantry unit that is standing within an anti-air unit's envelope that is standing close by. You fire another missile directly at the anti-air unit as well:

  1. The first missile, aimed at the infantry unit, is shot down by the anti-air unit.
  2. The second missile, however, lands a hit on the infantry unit since the anti-air unit's envelope is on cool-down.
  3. The third missile, directly aimed at the anti-air unit, is shot down since it is calculated as Point Defense.

Acts of War

Declaring War through the Diplomatic Panel

The Diplomacy Screen from where you set your status towards a nation

To declare war, click the Diplomacy button and select the target player. Then, from the drop-down menu, change your status from Peace to War. You could even be diplomatic about the process and send a note stating your justifications for doing so, but most commanders won’t be so kind.

Declaring War through Invasion

Popup - You are about to declare war

You declare war by default, when you trespass on the province of a nation with which you do not share a special diplomatic relationship. You will receive a pop-up warning whenever your move order would constitute an act of war.

If you want to move units through another nation's territory, you both must be members of the same coalition, or your diplomatic relation with that country needs to be one of the following:

Changes to Population Morale

Morale Info

When you declare war, it affects your nation as a whole. This war penalty affects all your provinces' morale, which slows down resource production as well as troop mobilization. You receive a penalty for every country you are at war with.

To see your war penalty, select one of your provinces, and click the i button beside the Morale indicator in the province bar. This will also show you what else affects morale in the selected province.

Combat Mechanics

When two armies are engaged, combat rounds are calculated every hour. We differentiate between four possible scenarios:

  1. Meeting engagements
  2. Attack/Defense engagements
  3. Edge cases
  4. Cases where two armies are in movement

Meeting Engagement

Army A and B engaged in combat, outside the province's center-point

Scenario: Army A attacks army B in the open - where army B is stationed outside of the province's center-point.

First Combat Tick (immediately):

  • Army A attacks army B using its offensive stats
  • Army B defends against army A using its defensive stats
  • Army B counter-attacks army A using its offensive stats
  • Army A defends against army B using its defensive stats

Second Combat Tick (after 1 hour has passed):

  • Army A attacks Army B using its offensive stats
  • Army B defends against Army A using its defensive stats
  • Army B counter-attacks Army A using its offensive stats
  • Army A defends against Army B using its defensive stats
  • and so on...

Attack/Defense Engagement

Army B on province's center-point, defending against army A

Scenario: Army A attacks army B - where B is stationed on the province's center-point.

When army B is entrenched on a province's center-point, it is not performing offensive actions. Only army A conducts attack rounds, while army B is just defending.

First Combat Tick in chronological order - first exchange between the two armies, happens immediately:

  • Army A attacks army B using its offensive stats
  • Army B defends against army A using its defensive stats

Subsequent Combat Ticks in chronological order - hourly after FCT:

  • Army A attacks army B using its offensive stats
  • Army B defends against army A using its defensive stats
  • Army A attacks army B using its offensive stats
  • and so on...

Edge Cases

Army A is moving without attack order, Army B is stationary either outside of, or on a map point. If Army A is moving because of a move order, while Army B is just standing around, it works the same way as in Scenarios 1 and 2 depending on B's position.

  • Effectively, moving is actually identical to ordering an attack, even if Army A doesn't anticipate a fight,
  • The only difference is with regards to ranged units, wherein they only move into melee range, whereas they will open fire if ordered to attack once they are in range

Cases Where Two Armies are in Movement

Army A and Army B run across each other while moving on the map no matter if outside or on a map point If Army A and Army B are both moving without an attack order and then close within combat range- Scenario 1 applies