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95% positive of 24 · Positive · Live from Steam
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The Combined Arms Operations Series simulates hypothetical battles between World War II armies. Assemble your forces, out plan, and outfight your enemies to master the art of combined arms warfare in chaotic simultaneous turns where commanders must adapt quickly to an evolving battlefield.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 95% on 2026-11-01 → 95% today (24 reviews)
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Not tested by Valve yet. Results from Valve's own testing.
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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.
Update 1.0.9.5 has finally arrived, and we nicknamed it Tiger because it started off big and just kept getting fatter. Tiger includes: a pair of overhauls, major system improvements to stacking and air combat, OB updates for the US, USSR, and Germany, new air …
Update 1.0.8.9 is out on the experimental branch with a pair of overhauls, several other crucial improvements, and plenty of new units for Germany and the USSR in 1943! On the overhaul front, we have substantially revised Combat Engineering and totally restruc…
Update 1.0.8.7 has arrived! And it with it comes: a grand artillery overhaul, the German 9th Army (July 1942) OB, updates to the standard Germany 1942 OB, a brand new battlegroup naming system, and much more! Artillery Overhaul: The artillery overhaul is the c…
Update 1.0.8.2 is here with a host of improvements and content additions, big and small! On the UI/immersion side, we are very keen to hear your feedback on our first pass at turn resolution and C2 visualization improvements. On the content side, we have a ton…
After an extended development period, Update 1.0.7.7. is finally here, with the Kharkov map, UI improvements, Soviet 1941 updates, a new air pricing formula, some sweet quality of life improvements and a crucial fix to one of the most insidious CAOS combat bug…
Welcome to the grand finale of the British army in Europe during World War 2! Britain is bruised and bloody, but it stands on the precipice of victory none the less. Standardization has become a myth, and adaptation is the watch word of the day. British organi…
Greetings! Today we bring you a peak into the Soviet Northwestern Front (NWF) as it stood in June/July 1941! The Northwestern Front (or Baltic Special Military District until June 24) is symbolic of the 1941 Red Army in general. It has great potential, on pape…
Greetings! Let's take a deep-dive into one of the 2 new OBs coming in update 1.0.8.2: Heersgruppe Nord as it stood at the start of Operation Barbarossa! Heeresgruppe Nord (HGN) is a robust order of battle that lacks raw armored might, and suffers from inadequa…
Greetings! We’re back with a detailed dev blog on the upcoming scenario editor. This will be a long one, so if you want the short version, the scenario editor is coming soon and the map editor a bit further down the road. Much of this blog will later become th…
The completion of the Gazala to Husky release cycle lends us a perfect opportunity to tackle game system and interface additions or improvements, as well as making the scenario editor ready for public release. This Combat Overhaul release cycle will bridge the…