编辑“Game rules”

{{Version|1.0}}
Game rules are configuration choices available when starting a new game that can slightly alter some mechanics. Many such option will disable Achievements.

__TOC__

== Difficulty ==
The difficulty setting can grant players the following bonuses:
{| class="mildtable" style="text-align: center;
! 难度
! {{icon|scheme success chance}} Hostile Scheme Resistance
! {{iconify|Fertility}}
! {{icon|opinion}} 短暂统治
! {{icon|opinion}} Tyranny Gain
! {{iconify|Stress}} Gain
! {{iconify|Knight}} Survival
! {{icon|unknown}} Minor Disease Chance
! {{iconify|Health Boost}}
! [[File:Factions.png|24px]] Faction Formation
! {{icon|opinion}} 封臣好感
! {{icon|opinion}} 领主好感
! 成就
|-
| '''非常简单''' || {{green|+30}} || {{green|+20%}} || {{green|-50%}} || {{green|-75%}} || {{green|-50%}} || {{green|+75%}} || {{green|-75%}} || {{green|Moderate}} || {{green|Significantly Slower}} || {{green|+25}} || {{green|+50}} || [[File:Icon achievements disabled.png|24px]]
|-
| '''简单''' || {{green|+15}} || {{green|+10%}} || {{green|-25%}} || {{green|-25%}} || {{green|-25%}} || {{green|+66%}} || {{green|-15%}} || {{green|Small}} || {{green|Slightly Slower}} || '''0''' || '''0''' || [[File:Icon achievements disabled.png|24px]]
|-
| '''普通''' || '''0''' || '''0''' || '''0''' || '''0''' || '''0''' || '''0''' || '''0''' || '''None''' || '''Regular''' || '''0''' || '''0''' || [[File:Icon achievements enabled.png|24px]]
|}

== Gameplay options ==
The gameplay options can change the game to be less historical.
{| class="mildtable sortable"
! Rule
! Setting
! class="unsortable" | Effects
! Achievements
|-
| rowspan="7" | '''Exclave Independence'''
| Off
| Rulers can have disconnected land anywhere in the world
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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.
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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.
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Total (AI Only)
| AI Rulers at peace will lose disconnected land on succession unless it's connected to the capital by a naval path.
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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.
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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.
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Total
| Rulers at peace will lose disconnected land on succession unless it's connected to the capital by a naval path.
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="3" | '''Multiplayer: Murder Schemes'''
| Default
| Players can use Hostile Schemes against other players and their families
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| No Players
| Players cannot use Hostile Schemes against other players but can against their families
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| No Player Families
| Players cannot use Hostile Schemes against other players or their families
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="2" | '''Minor Diseases'''
| Default
| Minor diseases appear as per normal
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Fewer
| Minor diseases appear 30% less often
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="3" | '''Gender Equality'''
| Default
| All faiths start with their historical views on gender, clerical gender, male adultery and female adultery doctrines<br>All realms start with their historical gender succession law
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Equal
| All faiths start with the Equal views on gender doctrine and Either clerical gender doctrine<br>All faiths start with male adultery and female adultery doctrines at the same level (the lesser one)<br>All realms start with the Equal gender succession law
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| Inverted
| All faiths start with their historical views on gender, clerical gender, male adultery and female adultery doctrines inverted<br>All realms start with their historical gender succession law inverted
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="3" | '''Regional Heresies'''
| Strict
| Heresies are 200 times more likely to be historical if they happen in certain regions
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Default
| Heresies are more 5 times more likely to be historical if they happen in certain regions
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Relaxed
| Heresies are random no matter where they happen
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="3" | '''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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Never
| Only player characters can use the Become Greatest of Khans decision
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| Random
| An AI character can use the Become Greatest of Khans decision at any point if the player doesn't do it before
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="2" | '''Casus Belli Costs'''
| Default
| Casus Bellis cost resources
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| No Costs
| Casus Bellis do not cost resources
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="5" | '''Culture Conversion Speed'''
| Significantly Slower
| The Promote Culture councilor task makes progress 4 times slower
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Slower
| The Promote Culture councilor task makes progress 2 times slower
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Default
| The Promote Culture councilor task makes progress as per normal
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Faster
| The Promote Culture councilor task makes progress 2 times faster
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| Significantly Faster
| The Promote Culture councilor task makes progress 4 times faster
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="5" | '''Faith Conversion Speed'''
| Significantly Slower
| The Convert Faith in County councilor task makes progress 4 times slower
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Slower
| The Convert Faith in County councilor task makes progress 2 times slower
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Default
| The Convert Faith in County councilor task makes progress as per normal
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Faster
| The Convert Faith in County councilor task makes progress 2 times faster
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| Significantly Faster
| The Convert Faith in County councilor task makes progress 4 times faster
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="3" | '''Diplomatic Range'''
| Restricted
| Diplomatic Range is reduced by 25%
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Default
| Diplomatic Range remains unchanged
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Unrestricted
| Characters can interact no matter the distance
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="2" | '''End Date'''
| 1453
| The game will end in 1453
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| No End Date
| The game will never end
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="3" | '''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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Off
| Titles with de jure land can only be destroyed manually
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="2" | '''Custom Kingdoms'''
| On
| The Found a New Kingdom and Found a New Empire decisions are available
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Off
| The Found a New Kingdom and Found a New Empire decisions are not available
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="3" | '''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 other is over 33
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Off
| Landed characters with no recorded family will not start with any family
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="2" | '''Same-Sex Relations'''
| Default
| All faiths start with their historical same-sex relations doctrine
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Accepted
| All faiths start with the Accepted same-sex relations doctrine
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="5" | '''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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Equal
| Characters have equal chances to be heterosexual, homosexual, bisexual and asexual
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="2" | '''Faith Acceptance'''
| Default
| All faiths start with their historical views on other faiths
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Full
| All faiths start with the Full Tolerance special doctrine
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="2" | '''Randomized Faiths'''
| Off
| All characters and counties start with their historical faith
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| On
| All characters and counties start with a random faith
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="3" | '''Random Ruler Placement'''
| Off
| All rulers have start with their real historical titles
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| On
| All rulers have start with random historical titles
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| On (Conversion)
| All rulers have start with random historical titles and convert to the faith of their primary title's capital
| align=center | [[File:Icon achievements disabled.png|24px]]
|-
| rowspan="2" | '''Character Nudity'''
| Default
| Characters will appear naked in certain events or if they follow a faith with the Natural Primitivism tenet or are Court Chaplains or Zealous and follow a faith with the Naked Priests doctrine
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Never
| Characters cannot appear naked
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| rowspan="4" | '''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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| 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
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Immediate
| The Mogyër Confederation starts having used the Prepare to Cross the Carpathians and in a war against the Kingdom of Bulgaria using the Migrate to Pannonia casus belli
| align=center | [[File:Icon achievements enabled.png|24px]]
|-
| Player-Only
| Only player characters can use the Prepare to Cross the Carpathian decision
| align=center | [[File:Icon achievements disabled.png|24px]]
|}

== 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.