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Kingdom Come: Deliverance II Mysteria Ecclesiae cover art

DLC / add-on · Warhorse Studios, Deep Silver

Kingdom Come: Deliverance II Mysteria Ecclesiae

SteamEurope and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom.PEGI18

Embark on a brand new storyline, rich in quests, intriguing characters and unexpected endings. Henry plays detective to uncover the secrets of a quarantined monastery; resources are scarce and every shadow could hide a peril.

Before you buy

Redeem on
Steam clientPC: Windows. Needs a free Steam account.
Activates in
Europe and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom.Activates on accounts registered in the EU, EEA, Switzerland and the United Kingdom.Will not activate on accounts registered in North America, Asia, Latin America or Oceania.
You get
A digital activation keyAn add-on. You need the base game on the same account.
Delivery
To your account and by emailDelivered to your account and by email once it is ready. Some orders get a short manual check first.

Trailers and screenshots

01 / 10 Trailer

Kingdom Come: Deliverance II Mysteria Ecclesiae

Trailer 1 of 2

About this add-on

Embark on a brand new storyline, rich in quests, intriguing characters and unexpected endings. Henry plays detective to uncover the secrets of a quarantined monastery; resources are scarce and every shadow could hide a peril.

Description, images and details are taken from this product's Steam page.

Details

Developer
Warhorse Studios
Publisher
Warhorse Studios, Deep Silver
Base game
Kingdom Come: Deliverance II
Released
11 Nov, 2025
Genres
Action, Adventure, RPG
Runs on
Windows
Activates on
Steam client, Europe and UK
Interface
English, Italian, French, German, Spanish - Spain, Czech, Japanese, Korean, Polish, Portuguese - Brazil, Simplified Chinese, Traditional Chinese, Turkish, Russian, Ukrainian
Full audio
English, French, German, Spanish - Spain, Czech, Japanese
Age rating
PEGI 18
Controller
Full controller support
  • Single-player
  • Downloadable Content
  • Steam Achievements
  • Full controller support
  • Custom Volume Controls
  • Playable without Timed Input
  • DualShock Controller Support
  • DualSense Controller Support
  • DualSense Controller Support
  • Stereo Sound
  • Surround Sound
  • Family Sharing
PEGI18

Rated PEGI 18. Not suitable for anyone under 18.Content: Violence, Bad Language, Drugs, In-Game Purchases.The game contains frequent depictions of violence, killing, brutality and blood. Furthermore coarse language and crude humor is used in an extensive manner. The player will further come across adult themes, alcohol as well as sexual activity and nudity.

System requirements

Windows

  • Requires a 64-bit processor and operating system
Kingdom Come: Deliverance II Mysteria Ecclesiae system requirements on Windows
ComponentMinimumRecommended

Activating it on Steam client

  1. Open the Steam client and sign in.
  2. Choose Games in the top menu, then Activate a Product on Steam.
  3. Paste the key and confirm. It appears in your library.
  4. You need the base game on the same account.

The key is listed for the Europe and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom. region. Read how regions work before you buy.

Kingdom Come: Deliverance II Mysteria Ecclesiae€14.97