This guide covers all game rules available in Millennium Dawn for customizing your gameplay experience.

Game Rule Groups

AI Options (`MD_AI_RULES`)

Controls AI behavior and difficulty settings.

Rule	Options	Default	Description
`rule_god_of_war`	yes/no	no	Enables “God of War” AI mode
`rule_ai_starting_political_power`	no/one/two/three	no	AI starting political power (250/500/1000)
`rule_enable_ai_debt_war`	yes/no	no	Allow AI to take on debt for war
`rule_disable_AI_using_freedom_cont_focus`	yes/no	yes	Enable AI use of autonomy focus
`rule_enable_AI_using_attaches`	yes/no	yes	Enable AI use of military attaches

Peace Conferences (`MD_PEACE_DEALS`)

Controls peace conference and annexation behavior.

Rule	Options	Default	Description
`rule_md_annex`	yes/no	no	Allow direct annexation in peace deals
`allow_chaotic_PC`	yes/no	no	Enable chaotic peace conferences
`allow_player_led_PC`	yes/no	no	Allow player-led peace conferences
`allowed_CPD`	yes/no	yes	Allow conditional peace deals

Focus Tree Options (`MD_FOCUS_TREE_RULES`)

Country-specific focus tree options and alternate paths.

Rule	Options	Default	Description
`rule_salafist_branch`	yes/no	no	Enable/disable Salafist content

Flags & Formable Nations (`MD_FORMABLE_RULES`)

Controls special nation formation options.

Rule	Options	Default	Description
`rule_disable_formable_nations`	yes/no	no	Disable all formable nations
`allow_multiple_formables`	yes/no	no	Allow forming multiple nations
`allow_edgy_flags`	yes/no	no	Allow alternate flag designs

Organization Options (`MD_ORGANISATION_RULES`)

Controls major international organizations.

Rule	Options	Default	Description
`rule_disable_eu`	yes/no	no	Disable European Union
`rule_disable_nato`	yes/no	no	Disable NATO
`rule_disable_csto`	yes/no	no	Disable CSTO

EU Voting Rules

rule_european_union_voting_limits: Cooldown between votes (60-210 days)

Influence System Options (`MD_INFLUENCE_RULES`)

Controls influence system mechanics.

Rule	Options	Default	Description
`rule_spread_influence_amount_gain`	0.5%/1%/1.5%/2%/3%/4%	1.5%	Spread influence gain rate
`rule_spread_influence_cooldown_limits`	0/14/30/60 days	30 days	Influence action cooldown
`rule_invest_influence_amount_gain`	0.5%/1%/1.5%/2%	1.5%	Invest influence gain rate
`rule_influence_cooldown_limits`	0/14/30 days	14 days	Invest influence cooldown
`rule_monthly_domestic_independence_tick`	yes/no	yes	Monthly domestic independence gain
`rule_monthly_domestic_independence_gain_amount`	0.5/1.0/1.5	0.5	Domestic independence amount
`rule_disable_ai_influence_puppeting`	yes/no	no	Disable AI influence puppeting
`rule_disable_western_outlook_features`	yes/no	no	Disable Western Outlook features

Optimization & Performance (`MD_OPTIMISATION_RULES`)

Performance-related settings.

Rule	Options	Default	Description
`allow_mp_optimizations`	yes/no	no	Enable multiplayer optimizations
`allow_division_limiter`	yes/no/potato_edition	yes	Division count limiter
`remove_mp_states`	yes/no	no	Remove small nations
`rule_disable_generals_getting_killed`	yes/no	no	Prevent general deaths
`rule_allow_free_factories`	yes/no	no	Free factories in MP
`rule_allow_MP_enhancements`	yes/no	no	MP enhancements

Nuclear Rules (`MD_NUCLEAR_RULES`)

Nuclear weapons settings.

Rule	Options	Default	Description
`allow_nuclear_first_use`	yes/no	no	Allow first use of nuclear weapons
`allow_nuclear_retaliation`	yes/no	yes	Allow nuclear retaliation

Miscellaneous Rules (`MD_RULES`)

Miscellaneous gameplay options.

Rule	Options	Default	Description
`allow_enable_world_war`	yes/no	no	Allow world war mechanics
`allow_enable_ledger`	yes/no	yes	Enable ledger feature
`allow_colored_puppets`	yes/no	no	Colored puppet borders
`historic_events`	yes/no	no	Enable historical events
`allow_enable_help_gui`	yes/no	no	Enable help GUI

Energy Difficulty Rules

rule_player_energy_difficulty: Player energy difficulty (very_easy to very_hard)
rule_AI_energy_difficulty: AI energy difficulty
rule_enable_energy_load_sharing: Energy load sharing between states

Economic Rules

rule_starting_debt_rule: Who gets starting debt (normal/player_only/ai_only/everyone)
rule_internal_faction_tick_amount: Internal faction tick rate
rule_internal_faction_cost_reduction: Faction cost reduction

Cheat Options (`MD_CHEAT_RULES`)

Debug and cheat-related options.

Rule	Options	Default	Description
`allow_cheat_decisions`	yes/no	no	Enable cheat decisions
`allow_toggling_cheat_decisions`	yes/no	no	Allow toggling cheats mid-game
`rule_disable_anti_bully`	yes/no	no	Disable anti-bully protection

Randomize Game Rules (`MD_RANDOM_RULES`)

Chaos mode options for randomized gameplay.

Rule	Options	Default	Description
`rule_randomize_ideologies`	yes/no	no	Randomize all ideologies
`rule_randomize_religion`	yes/no	no	Randomize religions
`rule_randomize_internal_factions`	yes/no	no	Randomize internal factions

Vanilla Rules

Millennium Dawn inherits many vanilla HOI4 game rules:

Foreign Policy

allow_wargoals: Wargoal availability
allow_access: Military access rules
allow_release_nations: Nation release rules
allow_licensing: Equipment licensing
allow_lend_lease: Lend-lease rules
allow_volunteers: Volunteer rules
allow_guarantees: Guarantee independence

Covert Actions

allow_coups: Coup availability
allow_party_boosting: Party boosting

Gameplay

allow_paratroopers: Paratrooper availability
maximum_fort_level: Fort level cap

Game Rule Groups

AI Options (MD_AI_RULES)

Peace Conferences (MD_PEACE_DEALS)

Focus Tree Options (MD_FOCUS_TREE_RULES)

Flags & Formable Nations (MD_FORMABLE_RULES)

Organization Options (MD_ORGANISATION_RULES)

Influence System Options (MD_INFLUENCE_RULES)

Optimization & Performance (MD_OPTIMISATION_RULES)

Nuclear Rules (MD_NUCLEAR_RULES)

Miscellaneous Rules (MD_RULES)

Cheat Options (MD_CHEAT_RULES)

Randomize Game Rules (MD_RANDOM_RULES)