Calyx

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• Patch Notes·27 Aug 2026Official

  There’s something in the air! Calyx development update – August 2026

  Greetings Calyx players!Today we’re sharing some of our progress on the next major update to the game. Prepare for take-offWe’re adding airborne Calyx and player units so you can bring the battle to the skies. See below for a sneak peek at some of the new features we’re working on.Volitant CalyxA new species of Calyx that hatches two flying bug types, one that attacks with a spike of electrical energy, and one that explodes close to its target.Bomber CommandBuild bombers and dispatch them to carry out raids on a target.KestrelA light and fast hovering gunship armed with machine guns.ManticoreA wide-range surface-to-air missile turret.We’re currently working hard on building out and balancing these new air systems, and it’s our aim to have you try them out in a future playtest. In the meantime you can stay in touch via the the Studio 568 Discord.Thanks for your continued support! John, Mark & Phil, Studio 568 🙂
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• Patch Notes·8 Jul 2026Official

  Calyx v0.2.0.4 – Leviathan Update, minor patch

  Greetings Calyx players!Calyx v0.2.0.4 – Leviathan Update, Minor PatchHi everyone! We've got another small patch today, bringing the following changes:Added different models for the different types of marine crawlersFixed an issue where the Zeus Cannon wasn't available to build in the Bastion challenge mapFixed missing sound on upgraded machine gun turretsFixed a bug where adjusting the gamma value in the options didn't persist across sessionsSilenced a rogue module shut down sound effect that was sometimes heard when starting a skirmishAdded missing collision to a rock that appears in various water mapsAs always, the #bug-reports channel in our Discord is the best place to report issues.Thanks for your support! Cheers,John, Mark and Phil 🙂
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• Patch Notes·7 Jul 2026Official

  Calyx v0.2.0.3 – Leviathan Update patch

  Greetings Calyx players!Calyx v0.2.0.3 – Leviathan Update PatchWe'd like to say a massive thanks to all the players who've given us feedback on the new update via Discord and the Steam Forum.We've now published a patch with the following changes:Re-enabled building on sandTanks can now knock down treesLimited the number of marine crawlers that can spawn in very large maps (like Nexus)Added more generous ore deposits to some of the new campaign maps where resources were a little tightAdded a message in the first map where marine crawlers are encountered, warning players to build wallsAdded some extra power booster modules to the new campaign mapsNaval units are cheaperNaval units have additional healthThe game no longer automatically pauses when viewing upgrade detailsFixed an issue where the Isotope Reactor was missing from the build menu in some mapsFixed an issue where the Repair button showed (disabled) on Data ArchivesFixed issue with stuck machine gun tracersA fix for naval transports getting stuck when unload is triggered during loadingFixed loaded units appearing at beach after upgradeAdded some logic to help prevent ships from ending up in strange positions on cliffsFixed some tech tree items showing an increase rather than a decrease in costCorrected a pricing error with the amount of Isotopes required to build a GoliathAdded a speculative fix for a frequent crash reported by one player, only affecting the new water mapsAs always, the #bug-reports channel in our Discord is the best place to report issues.Thanks again for your support! Cheers,John, Mark and Phil 🙂
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• Patch Notes·3 Jul 2026Official

  Assemble your fleet! Calyx v0.2: The Leviathan Update is now available

  Greetings Calyx players!We're delighted to announce that Calyx v0.2: Leviathan Update is now available to install. This brings the next chapter of the campaign, naval units to build, and a new ocean biome to explore.The Leviathan regionA mysterious event has left a region of the planet flooded, and has released a new species of Calyx into the wild.Build the Shipyard and assemble your fleetPlace a Shipyard at the water’s edge and start building naval craft. Build the Naval Workshop to unlock upgrades and build the powerful Broadside battleship.The Comet gunshipThe Ark naval transportThe Broadside battleshipTake on the FathomThis new waterborne Calyx grows in a mesh pattern that blocks the progress of your ships. It fires underwater weapons at your naval units, while also releasing new super-strength amphibious crawlers that assault your beaches.An old enemy returnsThere’s a strange navy on the horizon, and it’s seeking to liquidate you.New maps, units, buildings and quality of life features6 campaign maps in the Leviathan region6 maps added to Skirmish2 new Challenge mapsFathom species of CalyxMarine crawlersComet gunshipArk transporterBroadside battleshipShipyardNaval WorkshopPower TransmitterRapier aerial interceptor unitPreview system for shortcutsStop control for all unitsKeyboard shortcut to rebuild a destroyed buildingKeyboard shortcut to repair a buildingPlayer and enemy range viewer toggles in the HUDBetter info about what changing map difficulty level doesLots of smaller tweaks and bug fixesWe hope you enjoy the update!We’d like to say a huge thanks to everyone who took part in the playtest and gave us their feedback. We hope you enjoy the new content. You can join our community at the Studio 568 Discord to meet other players, and let us know your thoughts. Thanks for your support! John, Mark & Phil, Studio 568 Ltd 🙂
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• Patch Notes·12 Jun 2026Official

  Take to the seas and battle the Fathom – the Leviathan Update Playtest is live!

  Greetings Calyx players!We're excited to invite you to take an early look at our upcoming Leviathan Update, including a new ocean biome, the Comet and Broadside fighting ships, the Ark naval transport, and the new Fathom species of Calyx.What's in this playtest?New ocean-based maps4 challenge maps which will form part of the next chapter of the Calyx campaign. The maps are in a newly-discovered region where an ocean has formed.Naval units and buildingsBuild the Shipyard, and manufacture the Comet gunship, the Broadside battleship and the Ark transporter.Construct the Naval Workshop and upgrade your fleet’s capabilities.The Fathom CalyxA new species of Calyx that inhabits the ocean, the Fathom grows in a mesh that obstructs the progress of your ships. It grows two kinds of node, a ranged one similar to the Tormentor, and a node that spawns a new species of marine crawlers.How do I access the playtest version?If you took part in a previous Calyx playtest, you should now see "Calyx Playtest" in your Steam library once again.If you want to request access for the first time, visit the Calyx Steam Page, scroll down and hit the “Request Access” button. You should then see the Calyx Playtest item in your Steam library.Help the devs – fill out the surveyIt would be super helpful if you could fill out the playtest survey to let us know your feedback. There's a link to the survey on the Main Menu of the playtest version of the game.We can’t wait to hear what you think of the new features.Thanks for your support!John, Mark & Phil, Studio 568 Ltd 🙂
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