Become the Monarch in this medieval party game and navigate a hilarious world of politics, treachery, and all-out rebellion, as your decisions see an empire flourish or come crashing to your feet.
King of the Castle is a multiplayer game of shifting power dynamics and intrigue. Host games of 3 to 24 other players who join as the 'loyal' Nobles of your Council, voting on your decisions - and twisting the story to their own sinister ends.
PLAY WITH FRIENDS
The perfect addition to your game night, tabletop group, or friends who just love to scheme against one another.
Plot regicide (and worse) in video call or couch co-op, with each game featuring them as central characters in this Game of Phones.
RULE WISELY
With over 900,000 words across 950 possible Events and 80 unique Endings, no two reigns will be alike!
Balance the competing demands of your Kingdom's Regions, each with 18 possible Schemes to overthrow you.
Five unique Regions with their own Events - the brash Barons, ruthless Counts, wealthy Patricians, honourable Grandees and pagan Chiefs.
MAKE HISTORY
Forge a unique history of your realm. King of the Castle remembers your every deed or misdeed and knits them into the story of your game.
Build a narrative across over 17,000 choices, with each player a central character in their own emergent tale of ambition and betrayal.
Play on after your victory (or usurpation) in Dynasty Games, with special Events and choices based on your previous game.
BEWARE TREACHERY
Bribe, persuade or beg to get the votes you need, or just alter the Laws of Land to twist democracy in your favour...
Tax to watch the gold (and salt) pile up.
Watch your back! If Defiance gets too high, Regions can revolt in a Rebellion that'll tear your Kingdom apart.
LOOK MAJESTIC
Personalize your Monarch or Noble with over 10 Quadrillion customisation combinations, including premium only options.
By owning the game, take the starring role and appear in both Twitch and Party Games more often.
Will you be the one to overthrow your favourite streamer?
STREAM ON TWITCH
King of the Castle is fully Twitch-integrated and makes for the ultimate community game!
Streamers play as the Monarch and - with a simple “!join” command in chat - their Council can be joined by an unlimited amount of players, who use chat commands and our Twitch Extension to try and bump them off the throne.
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-04-15
Complete Our Side Quest and Win
As you probably know, in a huge variety of game titles there are usually a lot of mainline task objectives, but very often there are multiple side quests that would advance you further in the gameplay. This is exactly why we decided to run a Side Quest promotion on our YUPLAY site. In order to participate in it you have to make an order over 20€ between 17.04.2026 18:10 CET and 20.04.2026 02:00 CET, and you will get a 1€ voucher for next purchase…
The Easter season is here and since we like this part of the year so much, we have made sure to have prepared a special YUPLAY promotional campaign for those of you that are ready to go into the Raid Party and grab a FREE gaming title. All you have to do is make an order above 20€ between 02.04.2026 15:00 CET and 08.04.2026 15:00 CET, and you will get a FREE game as ab Easter present from us…