PatchDiff
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Crusader Kings III
Crusader Kings III
RPGSimulationStrategy
Paradox Development Studio · Paradox Interactive·-70%$14.99
May 22, 2025 · 15mo ago

Update 1.16.2.1

AI summary3mo

Update 1.16.2.1 introduces new Hard and Very Hard difficulty levels with significant AI buffs and player penalties, alongside vassal contract rebalancing and knight combat nerfs.

Buffs16

  • AI Rulers
    • Buying and maintaining MaA is significantly easier for AI rulers.Easier
    • Stress management is improved for AI rulers.Improved
    • Constructing buildings and holdings is somewhat easier for the AI.Easier
    • Levies reinforce faster for AI realms.Faster
    • Improving opinion is faster for AI rulers.Faster
    • Tyranny gain is reduced for AI rulers.Reduced
    • Mercenary use is cheaper for AI rulers.Cheaper
    • Factions are slightly more lenient toward AI rulers.More lenient
    • Revoking titles and retracting vassals is easier for AI rulers.Easier
    • Activity costs are reduced for AI rulers.Reduced
    • Court Position management is significantly cheaper for AI rulers.Cheaper
    • Agents are slightly more willing to join schemes vs. players.More willing
    • Recruiting guests is significantly cheaper for AI rulers.Cheaper
    • Amenities are significantly cheaper for AI rulers.Cheaper
    • CB prestige costs are cheaper for AI, especially when targeting players.Cheaper
  • Vassal ContractsYou can now propose 4 vassal contract changes at once (up from 3).34

Nerfs10

  • Player
    • Regular Mercenaries are more expensive for the player.More expensive
    • Factions are somewhat less lenient depending on vassal opinion.Less lenient
    • Revoking titles and retracting vassals is harder for the player.Harder
    • Heavier penalties to arranging marriages based on existing alliances; gaining alliances at war is nearly impossible.Restricted
    • Marrying to gain highly skilled courtiers or wanderers is now much harder.Harder
    • Hostile Scheme success chance starts at a much lower level on Very Hard.Lower
    • Knight efficiency is reduced on Very Hard difficulty.Reduced
    • Gold gain from ransoming is lowered for the player.Lowered
  • KnightsReduced the damage per prowess that knights get to 50, down from 100.10050
  • AbductionsMade it significantly harder to abduct rulers or their subjects if you're at war with them.Harder

Other changes4

  • Vassal Contracts
    • High and Extortionate tax obligations are now valued higher, requiring more concessions to avoid tyranny.Higher
    • AI lieges now desire higher taxes over higher levy contributions.Higher taxes
    • AI vassals now dislike Scutage.Dislike
  • TibetAdded a game rule to add Tibet as a Nomadic Region.Nomadic Region

subjects affected (6)

tap to see balance history

How did this patch land?
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official notes
Crusader Kings III · May 22, 2025

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Patch history

see all 37

  1. Update 1.19.0.6May 25, 2026 · 3mo

    A small update focusing on bug fixes for scheme invitations and disaster lethality.

    +11
  2. Update 1.19.0.5May 7, 2026 · 3mo

    A small bugfix update addressing story cycles, land purchase interactions, and AI behavior following the 1.19 'Scribe' update.

    +52
  3. Update 1.19.0.4Apr 23, 2026 · 4mo

    A small hotfix addressing multiplayer synchronization, trait event frequency, and various UI and localization bugs.

  4. 1.19 "Scribe" Open Beta - Update 1Apr 1, 2026 · 4mo

    A quick beta update for the 1.19 'Scribe' update focusing on community-reported bug fixes, UI polish, and minor balance adjustments to East Asian mechanics.

    +22
  5. Update 1.18.1.1Nov 13, 2025 · 9mo

    Hotfix 1.18.1.1 addresses several crashes, corrects historical starting innovations for Han and Liao, and adjusts specific Men-at-Arms and culture traditions.

    +6
  6. Update 1.18.0.2Nov 4, 2025 · 9mo

    Hotfix 1.18.0.2 addresses stability issues, fixes bugs related to the Celestial government and Hegemony mechanics, and balances Chinese military units and government costs.

    +132
  7. Update 1.18.0.1Oct 30, 2025 · 10mo

    Update 1.18.0.1 focuses on stability fixes, genealogical corrections for East Asian dynasties, and balancing for bureaucratic government income and the Dynastic Cycle.

    +2
  8. Update 1.17.0.1 & A Long Overdue ApologySep 10, 2025 · 11mo

    Update 1.17.0.1 focuses on fixing bugs and balancing the 'Coronations' DLC, specifically easing the requirements and costs of Oaths and special buildings.

    +131

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