Five companies signed the Articles of War: twenty-one rules for how a battle may be fought. Before each fight you seal three. They bind your army and the enemy's until the horn.
- Early access playtest on
- PC
- PlayStation 5
- Xbox Series X|S
The Muster
Captain Elin Rask surveys ground for the Lantern Foot. She paces the roads, counts the slopes and writes down what the land will allow an army to do.
On the night before the five companies march, she lays the treaty beside her own copy. Article XIV has been scraped thin and written over. Each side still sees the other's map at dawn. The new words add one detail: the Marshal's surveyor draws that map.
Pel Dyer copied the original by hand when he was fifteen. He still remembers the old wording, and he is the only one in camp willing to say it out loud.



Twenty-One Clauses
Before every battle each commander seals three Articles out of the twenty-one. A sealed Article binds both armies until the horn ends the day. Seal No fire and your own torches stay cold.
Break a sealed Article and your company panics: it loses its next turn. Catch the enemy breaking one and the turn is yours.
At the river
Elin seals No fire, No attack in rain, and A bridge is held by one company at a time. At noon the rain comes. Vance's halberds charge anyway. His line panics and stands idle for a turn, and Elin's pikes take the bridge with a turn in hand.
The Seal
The Articles lapse at the turn of the year. All five companies must sign again, in a forest clearing where nobody may carry a weapon.
Vance arrives with a clean copy. Article XXI is still in it: the war ends only when one side holds the field.
Elin arrives with a knife and the old wording in Pel's handwriting. Four captains watch her read the treaty aloud, one Article at a time, while the Marshal's line waits at the trees.
She scrapes Article XXI off the page in front of all five captains. Nobody holds the field, and the war stops there with no winner to name.
Sign the Articles
Wether Ford, first light, rain on the way. Pel copied what he could of Vance's orders: horse, torches, patience. Your own plan is set. Crossbows open, pikes wade the river, your horse goes into the trees.
Seal three of these five. Each seal binds you as hard as it binds him.
Click an Article to seal it, or move with the arrow keys and press Enter.
No Articles sealed yet. Seal three.
Join the Playtest
Clausewar is in early access. The playtest runs in musters: a few weeks of battles, a round of fixes, then the next muster. Put your name on the roll and we will write when a place opens.
- Build
- The first campaign, The Muster, and two skirmish maps at Wether Ford and the hill road
- Platforms
- PC, PlayStation 5, Xbox Series X|S
- Language
- English text and voice
- Studio
- Sealed Muster Games
Join the Playtest: you are on the roll
We will write to before the next muster opens.
The House Articles
Four rolls kept at the studio table. Open one to read it in full.

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