What is the default Divergent & Hybrid Culture Cooldowns game rule in CK3?

Default: Cultures can only Diverge after having existed for 100 years, and Hybridize after having existed for 50 years. (patch 1.20.1.2)

Does changing the Divergent & Hybrid Culture Cooldowns rule disable achievements?

Yes for “No Cooldowns”: the file gives it the flag blocks_achievements. The other settings keep achievements on.

Game rule · Tweaks · Culture

Divergent & Hybrid Culture Cooldowns

Default
Slower
No Cooldowns ✕
Faster

Divergent & Hybrid Culture Cooldowns is a game rule in Crusader Kings III (Tweaks and Culture) with 4 settings: Default (the default), Slower, No Cooldowns and Faster. “No Cooldowns” 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 Divergent & Hybrid Culture Cooldowns game rule in CK3?: Default: Cultures can only Diverge after having existed for 100 years, and Hybridize after having existed for 50 years. (patch 1.20.1.2)
Does changing the Divergent & Hybrid Culture Cooldowns rule disable achievements?: Yes for “No Cooldowns”: the file gives it the flag blocks_achievements. The other settings keep achievements on.

4 settings

Default
Default
Cultures can only Diverge after having existed for 100 years, and Hybridize after having existed for 50 years.
default_hybrid_and_divergence_cooldowns
Slower
Cultures can only Diverge after having existed for 200 years, and Hybridize after having existed for 100 years.
The script checks it 2 times, in 2 places
Script values 2
- culture_divergence_cooldown
- culture_hybrid_cooldown
Every has_game_rule = slower_hybrid_and_divergence_cooldowns in game/common and game/events, by the top-level object it sits in.
slower_hybrid_and_divergence_cooldowns
No Cooldowns
Disables achievements
There are no cooldowns for when a Culture is allowed to Diverge or Hybridize.
The script checks it 2 times, in 2 places
Script values 2
- culture_divergence_cooldown
- culture_hybrid_cooldown
Every has_game_rule = no_hybrid_and_divergence_cooldowns in game/common and game/events, by the top-level object it sits in.
no_hybrid_and_divergence_cooldowns
Faster
Cultures can only Diverge after having existed for 50 years, and Hybridize after having existed for 25 years.
The script checks it 2 times, in 2 places
Script values 2
- culture_divergence_cooldown
- culture_hybrid_cooldown
Every has_game_rule = faster_hybrid_and_divergence_cooldowns in game/common and game/events, by the top-level object it sits in.
faster_hybrid_and_divergence_cooldowns

Source: game/common/game_rules/00_game_rules.txt line 667 (key hybrid_and_divergence_cooldowns), modifiers from game/common/modifiers, names from the English localisation; Crusader Kings III 1.20.1.2.