Game rule

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Revision as of 22:36, 13 March 2022 by Kami-sama (talk | contribs) (→‎Gameplay options: updated)
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Game rules are configuration choices available when starting a new game that can slightly alter some mechanics. Many such option will disable Achievements. Game rules can be saved as presets.

Difficulty

The difficulty setting can grant players the following bonuses:

Difficulty Hostile Scheme Resistance  Fertility Short Reign Duration Tyranny Gain  Stress Gain  Knight Survival Disease Chance  Health Boost Factions.png Faction Formation Vassal Opinion Liege Opinion Achievements
Very Easy +30 +20% -50% -75% -50% +75% -75% Moderate Significantly Slower +25 +50 Icon achievements disabled.png
Easy +15 +10% -25% -25% -25% +66% -15% Small Slightly Slower 0 0 Icon achievements disabled.png
Normal 0 0 0 0 0 0 0 None Regular 0 0 Icon achievements enabled.png

Gameplay options

The gameplay options can change the game to be less historical.

Rule Setting Effects Achievements
Exclave Independence Off Rulers can have disconnected land anywhere in the world Icon achievements enabled.png
Limited (AI Only) AI Rulers at peace will lose disconnected land on succession unless it's part of their de jure territory or is connected to the capital by one county or a naval path Icon achievements enabled.png
Significant (AI Only) AI Rulers at peace will lose disconnected land on succession unless it's part of their de jure territory or is connected to the capital by a naval path Icon achievements enabled.png
Total (AI Only) AI Rulers at peace will lose disconnected land on succession unless it's connected to the capital by a naval path Icon achievements enabled.png
Limited Rulers at peace will lose disconnected land on succession unless it's part of their de jure territory or is connected to the capital by one county or a naval path Icon achievements enabled.png
Significant Rulers at peace will lose disconnected land on succession unless it's part of their de jure territory or is connected to the capital by a naval path Icon achievements enabled.png
Total Rulers at peace will lose disconnected land on succession unless it's connected to the capital by a naval path Icon achievements enabled.png
Multiplayer: Murder Schemes Default Players can use Hostile Schemes against other players and their families Icon achievements enabled.png
No Players Players cannot use Hostile Schemes against other players but can against their families Icon achievements enabled.png
No Player Families Players cannot use Hostile Schemes against other players or their families Icon achievements enabled.png
Minor Diseases Default Minor diseases appear as per normal Icon achievements enabled.png
Fewer Minor diseases appear 30% less often Icon achievements disabled.png
Matrilineal Marriages Never AI characters will never arrange matrilineal marriages unless part of a Female Dominated realm Icon achievements enabled.png
Default AI characters will arrange matrilineal marriages if they belong to the player's close family, a Reputable Dynasty, an Equal realm, or are strong rulers
Female Dominated realms default to Matrilineal
Icon achievements enabled.png
Default (no Player exception) AI characters will arrange matrilineal marriages if they belong to a Reputable Dynasty, an Equal realm, or are strong rulers
Female Dominated realms default to Matrilineal
Icon achievements enabled.png
Always AI characters will arrange matrilineal marriages for all female Dynasty members unless target belongs to a Reputable Dynasty, an Equal realm, or are strong rulers Icon achievements enabled.png
Female Dominated & Equal AI characters will arrange matrilineal marriages if part of a Female Dominated or Equal realm unless target belongs to a Reputable Dynasty or are strong rulers Icon achievements enabled.png
Gender Equality Default All cultures start with their historical martial custom pillar
All faiths start with their historical views on gender, clerical gender, male adultery and female adultery doctrines
All realms start with their historical gender succession law
Icon achievements enabled.png
Equal All cultures start with the Equal martial custom pillar
All faiths start with the Equal views on gender doctrine and Either clerical gender doctrine
All faiths start with male adultery and female adultery doctrines at the same level (the lesser one)
All realms start with the Equal gender succession law
Icon achievements disabled.png
Inverted All cultures start with their martial custom pillar inverted
All faiths start with their historical views on gender, clerical gender, male adultery and female adultery doctrines inverted
All realms start with their historical gender succession law inverted
Icon achievements enabled.png
Realm Stability Lesser Stability Factions will form more often Icon achievements enabled.png
Default Factions will form at default rate Icon achievements enabled.png
Higher Stability Factions will form more rarely Icon achievements enabled.png
Extreme Stability Factions will form extremely rarely Icon achievements enabled.png
Regional Heresies Strict Heresies are 200 times more likely to be historical if they happen in certain regions Icon achievements enabled.png
Default Heresies are 5 times more likely to be historical if they happen in certain regions Icon achievements enabled.png
Relaxed Heresies are random no matter where they happen Icon achievements enabled.png
Mongol Invasion Default An AI character will use the Become Greatest of Khans decision between the years 1180 and 1250 if the player doesn't do it before Icon achievements enabled.png
Never AI characters cannot use the Become Greatest of Khans decision Icon achievements disabled.png
Random An AI character can use the Become Greatest of Khans decision at any point if the player doesn't do it before Icon achievements enabled.png
Casus Belli Costs Default Casus Bellis cost resources Icon achievements enabled.png
No Costs Casus Bellis do not cost resources Icon achievements disabled.png
Culture Conversion Speed Significantly Slower The Promote Culture councilor task makes progress 4 times slower Icon achievements enabled.png
Slower The Promote Culture councilor task makes progress 2 times slower Icon achievements enabled.png
Default The Promote Culture councilor task makes progress as per normal Icon achievements enabled.png
Faster The Promote Culture councilor task makes progress 2 times faster Icon achievements disabled.png
Significantly Faster The Promote Culture councilor task makes progress 4 times faster Icon achievements disabled.png
Faith Conversion Speed Significantly Slower The Convert Faith in County councilor task makes progress 4 times slower Icon achievements enabled.png
Slower The Convert Faith in County councilor task makes progress 2 times slower Icon achievements enabled.png
Default The Convert Faith in County councilor task makes progress as per normal Icon achievements enabled.png
Faster The Convert Faith in County councilor task makes progress 2 times faster Icon achievements disabled.png
Significantly Faster The Convert Faith in County councilor task makes progress 4 times faster Icon achievements disabled.png
Diplomatic Range Restricted Diplomatic Range is reduced by 25% Icon achievements enabled.png
Default Diplomatic Range remains unchanged Icon achievements enabled.png
Unrestricted Characters can interact no matter the distance Icon achievements disabled.png
End Date 1453 The game will end in 1453 Icon achievements enabled.png
No End Date The game will never end Icon achievements disabled.png
De Jure Requirement On Every 5 years titles with de jure land will be destroyed if their holder controls none of their de jure land Icon achievements enabled.png
On (Limited) Every 5 years titles with de jure land will be destroyed if their holder controls none of their de jure land unless it's a player's primary title Icon achievements enabled.png
Off Titles with de jure land can only be destroyed manually Icon achievements enabled.png
Empire Obscurity On De jure empire are destroyed if the title holder no longer controls at least 20% of its de jure counties. Icon achievements enabled.png
Off De jure empires remain even if the title holder no longer controls at least 20% of its de jure counties. Icon achievements enabled.png
Custom Kingdoms On The Found a New Kingdom and Found a New Empire decisions are available Icon achievements enabled.png
Off The Found a New Kingdom and Found a New Empire decisions are not available Icon achievements enabled.png
Generate Families On Landed characters with no recorded family will start with a spouse, a valid heir, a second child if the mother is over 25 and a third child if the mother is over 33 Icon achievements enabled.png
On (AI Only) Landed AI characters with no recorded family will start with a spouse, a valid heir, a second child if the mother is over 25 and a third child if the mother is over 33 Icon achievements enabled.png
Off Landed characters with no recorded family will not start with any family Icon achievements enabled.png
Same-Sex Relations Default All faiths start with their historical same-sex relations doctrine Icon achievements enabled.png
Accepted All faiths start with the Accepted same-sex relations doctrine Icon achievements disabled.png
Same-Sex Marriages Default Same-sex marriage and concubinage are not possible Icon achievements enabled.png
Accepted Same-sex marriage and concubinage are possible for faiths with the Accepted same-sex relations doctrine Icon achievements disabled.png
Sexuality Distribution Default Characters have a 89% chance to be heterosexual, 5% chance to be homosexual, 5% chance to be bisexual and 1% chance to be asexual Icon achievements enabled.png
Bisexuality Characters have a 89% chance to be bisexual, 5% chance to be homosexual, 5% chance to be heterosexual and 1% chance to be asexual Icon achievements enabled.png
Homosexuality Characters have a 89% chance to be homosexual, 5% chance to be heterosexual, 5% chance to be bisexual and 1% chance to be asexual Icon achievements enabled.png
Asexuality Characters have a 89% chance to be asexual, 3.6% chance to be homosexual, 3.6% chance to be bisexual and 3.6% chance to be heterosexual Icon achievements enabled.png
Equal Characters have equal chances to be heterosexual, homosexual, bisexual and asexual Icon achievements enabled.png
Faith Acceptance Default All faiths start with their historical views on other faiths Icon achievements enabled.png
Full All faiths start with the Full Tolerance special doctrine Icon achievements disabled.png
Randomized Faiths Off All characters and counties start with their historical faith Icon achievements enabled.png
On All characters and counties start with a random faith Icon achievements disabled.png
Random Ruler Placement Off All rulers have start with their real historical titles Icon achievements enabled.png
On All rulers have start with random historical titles Icon achievements disabled.png
On (Conversion) All rulers have start with random historical titles and convert to the faith of their primary title's capital Icon achievements disabled.png
Hungarian Migration Historical An AI character will use the Prepare to Cross the Carpathians decision between the years 890 and 910 if the player doesn't do it before Icon achievements enabled.png
Immediate The Mogyër Confederation starts having used the Prepare to Cross the Carpathians decision and in a war against the Kingdom of Bulgaria using the Migrate to Pannonia casus belli Icon achievements enabled.png
Random An AI character will use the Prepare to Cross the Carpathians decision between the years 872 and 910 if the player doesn't do it before Icon achievements enabled.png
Player-Only AI characters cannot use the Prepare to Cross the Carpathian decision Icon achievements disabled.png
Scandinavian Adventurers Off Scandinavian adventurers will never try to target Russia or the North Sea Icon achievements disabled.png
Rare Scandinavian adventurers will try to target Russia and the North Sea every 15 years Icon achievements disabled.png
Occasional Scandinavian adventurers will try to target Russia and the North Sea every 10 years Icon achievements enabled.png
Frequent Scandinavian adventurers will try to target Russia and the North Sea every 5 years Icon achievements enabled.png
Apocalyptic Scandinavian adventurers will try to target Russia and the North Sea every year and do not require specific traits to launch Varangian Adventures Icon achievements enabled.png
Hybrid Culture Frequency Default AI characters will create hybrid cultures at default frequency Icon achievements enabled.png
Less Common AI characters will create hybrid cultures 5 times more rarely and with a 10 years global cooldown Icon achievements enabled.png
None AI characters will never create hybrid cultures Icon achievements enabled.png
Hybrid Culture Restrictions Default AI characters will never create hybrid cultures if their culture is already a hybrid culture unless it is historical
AI characters will never create hybrid cultures with another hybrid culture unless it is historical
Icon achievements enabled.png
Relaxed AI characters will never create hybrid cultures if their culture is already a hybrid culture unless it is historical Icon achievements enabled.png
Very Relaxed AI characters can always create hybrid cultures Icon achievements enabled.png
Divergent Culture Frequency Relaxed AI characters will create divergent cultures 1.25 times more often Icon achievements enabled.png
Default AI characters will create divergent cultures at default frequency Icon achievements enabled.png
Less Common AI characters will create divergent cultures 5 times more rarely Icon achievements enabled.png
None AI characters will never create divergent cultures Icon achievements enabled.png
Divergent & Hybrid
Culture Cooldowns
No Cooldowns Cultures can always diverge and hybridize Icon achievements disabled.png
Faster Cultures can only diverge after having existed for 50 years
Cultures can only hybridize after having existed for 25 years
Icon achievements enabled.png
Default Cultures can only diverge after having existed for 100 years
Cultures can only hybridize after having existed for 50 years
Icon achievements enabled.png
Slower Cultures can only diverge after having existed for 200 years
Cultures can only hybridize after having existed for 100 years
Icon achievements enabled.png

Ironman

Ironman is a special game rule that disables character switching and manual saving. The game is saved automatically once every 6 months as well as when exiting the game. Achievements can only be obtained in Ironman mode. In Ironman mode, the game over screen only has the option to exit to the main menu.