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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Version 0.9.52 brings the first 3D world map: terrain with real height, and everything on it stands upright. The battle map will follow later. The change from 0.9.51 is listed below. The world map in 3D — the map is gently tilted. Buildings, units, vehicles, t…
Thank you for your feedback from the first days of Next Fest — version 0.9.43 is built from it. Everything from 0.9.42 and earlier follows below. Intro — shorter: three sheets instead of six. It now ends on the survey report of Kepler-186e with a stamp. Event …
Kepler Protocol launches in Early Access on Thursday, December 3, 2026. I had said November. After the Next Fest I decided to take a few more weeks: the world map is becoming a tilted 3D landscape with real height, and your feedback from the demo is going into…
One week of Steam Next Fest is over. Thank you to everyone who landed on Kepler-186e and told us what didn't work. Kepler Protocol is made by a single developer, and every piece of feedback went straight into the game. What changed during the fest Eight update…
Kepler Protocol is made without a team: one developer, no test lab, no QA department. Even so, the game is played, checked and measured day and night. Three engines that grew alongside the game make that possible. Three engines instead of a team Setzwerk is th…
The demo is here. It ends exactly where the game begins — and that is on purpose.Starting today you can play Kepler Protocol. Not all of it — the first fifteen weeks. The demo is free and waiting on the store page, in time for Steam Next Fest from October 19 t…
For two devblogs running we promised the same thing: the drill is next. Here it is. It no longer wins on its own — but it no longer loses unnoticed either. Empire can win on Kepler in three ways. It can hold out for seventy turns until the fortress stands. It …
In October you can play Kepler Protocol. In November you can buy it.Two pieces of news that belong together.The first: a demo in OctoberKepler Protocol will be part of Steam Next Fest, 19–26 October. For one week there'll be a playable demo — the landing on Ke…
We spent a night playing 540 games against ourselves. What we were looking for, we didn't find. What we found was worse. Protocol isn't only tested by hand. We have a second system that plays the game when nobody is watching: two AI sides, the full rulebook, r…
Across thousands of games no one died in our battles. The casualty counter lied. Not this time.A battle in Kepler Protocol is fought, won or lost, formations break — and afterwards, in the report, a number: the fallen. Across thousands of test games that numbe…
We have dissected the Swarm once before: how it decides — no commander, only pheromone gradients. Today is about how it grows up. In one test game the Swarm tipped into a war mood after barely two months — the pheromone field glowing, swarms boiling outward, t…
For seventeen thousand games the Kaiserreich's greatest structure never once fired. The drill was not to blame.The planetary core drill is outright victory. A monument of Krupp steel and flux that grinds through the planet's crust into the Swarm's brood chambe…
When the enemy has no mind yet still decides. In a test round of Kepler Protocol, an Imperial reconnaissance patrol observed a swarm-pack two fields away. The pack was heading north — direction clear, pace steady. Then, mid-movement, it turned west. No visible…
In an early playtest of Kepler Protocol, the Kaiserreich's main army stood in front of Hive Beta. Fully manned, in combat, pinned. Back at the home base: a barracks, a reserve pool of soldiers, the material for a second corps. The AI saw all of it. And did not…
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.