What is the default Sexuality Distribution game rule in CK3?

Heterosexuality: Heterosexuality is the most common Sexuality, while Homosexuality, Bisexuality, and Asexuality are less common. (patch 1.20.1.2)

Does changing the Sexuality Distribution rule disable achievements?

No: none of its 5 settings carries the flag blocks_achievements in patch 1.20.1.2.

Game rule · Game Modes

Sexuality Distribution

Heterosexuality · default
Equal
Homosexuality
Bisexuality
Asexuality

Sexuality Distribution is a game rule in Crusader Kings III (Game Modes) with 5 settings: Heterosexuality (the default), Equal, Homosexuality, Bisexuality and Asexuality. None of its settings disables achievements. Patch 1.20.1.2, from game/common/game_rules/00_game_rules.txt.

This section as JSON: /raw/game-rules.json

Quick answers (2)

What is the default Sexuality Distribution game rule in CK3?: Heterosexuality: Heterosexuality is the most common Sexuality, while Homosexuality, Bisexuality, and Asexuality are less common. (patch 1.20.1.2)
Does changing the Sexuality Distribution rule disable achievements?: No: none of its 5 settings carries the flag blocks_achievements in patch 1.20.1.2.

5 settings

Heterosexuality
Default
Heterosexuality is the most common Sexuality, while Homosexuality, Bisexuality, and Asexuality are less common.
The script checks it 7 times, in 5 places
Script values 4
- asexuality_chance
- bisexuality_chance
- heterosexuality_chance
- homosexuality_chance
On actions (the game's own hooks) 1
- on_game_start_after_lobby
Every has_game_rule = sexuality_distribution_default in game/common and game/events, by the top-level object it sits in.
sexuality_distribution_default
Equal
All Sexualities in the game are equally common.
The script checks it 4 times, in 4 places
Script values 4
- asexuality_chance
- bisexuality_chance
- heterosexuality_chance
- homosexuality_chance
Every has_game_rule = sexuality_distribution_equal in game/common and game/events, by the top-level object it sits in.
sexuality_distribution_equal
Homosexuality
Homosexuality is the most common Sexuality, while Heterosexuality, Bisexuality and Asexuality are less common.
The script checks it 4 times, in 4 places
Script values 4
- asexuality_chance
- bisexuality_chance
- heterosexuality_chance
- homosexuality_chance
Every has_game_rule = sexuality_distribution_most_common_homosexuality in game/common and game/events, by the top-level object it sits in.
sexuality_distribution_most_common_homosexuality
Bisexuality
Bisexuality is the most common Sexuality, while Heterosexuality, Homosexuality and Asexuality are less common.
The script checks it 4 times, in 4 places
Script values 4
- asexuality_chance
- bisexuality_chance
- heterosexuality_chance
- homosexuality_chance
Every has_game_rule = sexuality_distribution_most_common_bisexuality in game/common and game/events, by the top-level object it sits in.
sexuality_distribution_most_common_bisexuality
Asexuality
Asexuality is the most common Sexuality, while Heterosexuality, Homosexuality and Bisexuality are less common.
The script checks it 4 times, in 4 places
Script values 4
- asexuality_chance
- bisexuality_chance
- heterosexuality_chance
- homosexuality_chance
Every has_game_rule = sexuality_distribution_most_common_asexuality in game/common and game/events, by the top-level object it sits in.
sexuality_distribution_most_common_asexuality

Source: game/common/game_rules/00_game_rules.txt line 337 (key sexuality_distribution), modifiers from game/common/modifiers, names from the English localisation; Crusader Kings III 1.20.1.2.