- Cubic Cosmos Patch Notes v1.1.5 - 31 August 2026
Hail, Cosmonauts! See below for details on update v1.1.5:Version Number: v1.1.5Patch Notes:Fixed an issue where the bosses for Act I Chapter 7 and Chapter 8 were incorrect outside of Master Mode.Fixed an issue with the interaction between Mind Transducer and the Reverb trait.Fixed some localization issues.Thank you all for your continued support and feedback.We'll keep on fixing any bugs you find!
- Cubic Cosmos Patch Notes v1.1.4 - 13 August 2026
Hail, Cosmonauts! See below for details on update v1.1.4:Version Number: v1.1.4Update Time: 2026/8/13 06:00 UTCPatch Notes:The Doll Pidge no longer has a trigger limit.The random pool for the Relic Auto-Magus now excludes cards that initially have the Auto trait.Fixed an issue where immediately triggered skills could cause incorrect skill targeting in long skill chains.Fixed an issue where the card-draw effect of the hero skill Overclock was triggered incorrectly.Fixed an issue where card display in the Codex was abnormal after enabling and then disabling the Temp Unlock All Items feature.Fixed an issue with abnormal Relic trigger counts in battle code.Fixed an issue where the Next Level button displayed abnormally when performing specific operations after opening the Settings menu.Fixed an issue where certain buff icons were not displaying.Thank you all for your continued support and f…
- Cubic Cosmos Patch Notes v1.1.3 - 30 July 2026
Hail, Cosmonauts! See below for details on update v1.1.3:Version Number: v1.1.3Update Time: 2026/7/30 14:00 UTCPatch Notes:Fixed an issue where Relic skills could trigger unexpectedly when using battle codes.Fixed sound effect issues when playing cards or winning battles while using a gamepad.Fixed an issue where the Wellspring event could drop Spirit Soul cards.Thank you all for your continued support and feedback.We'll keep on fixing any bugs you find!
- Cubic Cosmos Patch Notes v1.1.2 - 25 July 2026
Hail, Cosmonauts! See below for details on update v1.1.2:Version Number: v1.1.2Update Time: 2026/7/24 10:00 UTCPatch Notes:When creating a battle code, you can now include your current enemy buff multiplier.You will now only draw your starting cards after all enemies have entered the battlefield. This prevents pawns with the Auto trait from attacking empty spaces.Fixed interaction issues between Amber and pawns with the Consume trait.Fixed an issue where some pawn model zoom effects could not be skipped when using the Skip feature.Fixed an issue where information would be retained when switching between Codex pages.Fixed an issue where cards would cease to be displayed after checking creatables when selling cards in the Shop.Fixed an issue with skill text for Tier II Golden Dragon.Thank you all for your continued support and feedback.We'll keep on fixing any bugs you find!
- Cubic Cosmos Patch Notes v1.1.0 - 17 July 2026
Hail, Cosmonauts!First, we would like to express our heartfelt gratitude to every player who has accompanied Cubic Cosmos on this journey. Since the official release, we have received a tremendous amount of enthusiastic feedback and suggestions. Every piece of feedback from you has helped us continuously clarify the direction for game optimization. Today, we are excited to introduce the first major version update after 1.0: Version 1.1.0, with many features stemming from your expectations and suggestions.This time, we've added a brand new skill for War Wraith, introduced the Card Replacement feature, added a batch of new cards and new monsters, and enhanced multiple cards. See below for the complete update details:Added the 2nd hero skill, Assault, for War Spirit; added the corresponding starting deck.Added Card Replacement feature: Use new cards or improved versions of old cards to rep…
- Cubic Cosmos Patch Notes v1.0.7 - 18 June 2026
Hail, Cosmonauts! See below for details on update v1.0.7:Version Number: v1.0.7Update Time: 2026/6/19 13:00 UTCPatch Notes:When a Relic card gains a Lasting attribute buff, it will now be retained after the end of the battle.Pierce damage dealt by the player to their own hero is capped at 1 point of damage.Optimized interactions on Steam Deck.Improved sound effects in some screens, and added some missing sound effects.Fixed an issue with notification layering in some screens on Steam Deck.Fixed an issue where some creatable cards could not be viewed in some screens on Steam Deck.We are immensely grateful for your incredible support. This is just the beginning! Your feedback will directly shape the future of Cubic Cosmos as we continue to optimize and deliver amazing new experiences.
- Cubic Cosmos Patch Notes v1.0.6 - 13 June 2026
Hail, Cosmonauts! See below for details on update v1.0.6:Version Number: v1.0.6Update Time: 2026/6/12 16:00 UTCPatch Notes:Added new Variant Relics Traveling Crab and Heartlight.Added confirmation prompts to certain buttons, with an option to disable reminders for the rest of the session.Fell Infusion will be removed from random sorcery pools for cards such as Dreaming Dragon.Optimized several interaction details for Steam Deck and fixed some freezing and focus loss issues.Improved button prompts on Steam Deck.Fixed an issue where you could repeatedly purchase Doll cards by flipping through pages in the Shop.Fixed issues with remaining MP display after playing cards and reloading repeatedly.Fixed an issue where multiple Golden Dragons gaining the Resonance trait could lead to crashes. For the time being, the Resonance trait cannot be given to Golden Dragon.Fixed UI interaction detail is…
- I Finally Get Cubic Cosmos! Event - 29 May 2026
Hail Cosmonauts!It's hard to believe it's already been a month since Cubic Cosmos hit 1.0. Seeing all your enthusiastic feedback and the moments you've shared has truly meant a lot to the team — thank you to every player who's been with us on this journey! To celebrate, we're kicking off a brand-new community event.Want to show off your builds, your crazy plays, or your strategies? Come on in! Whether you're a hardcore min-maxer, a creative genius full of wild ideas, or a die-hard main of a certain hero, you're welcome to share your highlight moments and gameplay insights~Three Directions💪 Power Build——Max damage, sky-high combos, peak optimization.🎭 Meme Build——Wild plays, looping chains, builds that make people laugh or gasp.📖 Hero Mastery——Deep dives on a specific hero / class — guides, tips, your read on them.All three directions enter together — no separate brackets. Judged on c…
- Cubic Cosmos Patch Notes v1.0.5 - 29 May 2026
Hail, Cosmonauts!See below for details on update v1.0.5:Version Number: v1.0.5Update Time: 2026/5/29 13:00 UTCPatch Notes:Adjusted the effect of the Variant Relic Dynamax: attribute increase reduced from 40% to 30%, but this bonus is no longer removed when the card is destroyed or returns to hand.Optimized several interaction details for Steam Deck and fixed some freezing and focus loss issues.Optimized tutorial flow details for Steam Deck.Fixed an issue on Steam Deck where the menu could still be opened during hidden events.Fixed an issue where cards copied by Mirage to your hand when interacting with Furious Giant would retain the buff from Raging Giant.Fixed an issue where cards copied by Clone Mirage to your hand would retain the cost increase effect from Boss Midnight Augur.Fixed an issue where MP cost reductions provided by Falsefruit events failed to stack properly and wasn't cou…
- Cubic Cosmos Patch Notes v1.0.4 - 21 May 2026
Hail, Cosmonauts! See below for details on update v1.0.4:Version Number: v1.0.4Update Time: 2026/5/21 12:00 UTCPatch Notes:Added a new "Gradual Effect Speedup" feature, available from the Settings page. When enabled, triggering multiple consecutive effects will gradually speed up animations.Marionette now has a unique creatable pawn. This fixes an issue where interactions between Marionette and Witch's Bond would cause enemy Thralls to erroneously launch attacks.When Evil Within and Candle Canon trigger their own skills or obtain temporary skills, icon flicker effects will be merged together to speed up effect animations.Improved Mega Snowball's skill mechanism to prevent an issue where the skill would be erroneously triggered for unknown reasons.Improved card surface and typesetting, slightly increasing space for descriptions.Improved card interaction experience on Steam Deck.Fixed Ste…
- Cubic Cosmos Patch Notes v1.0.3 - 13 May 2026
Hail, Cosmonauts! See below for details on update v1.0.3:Version Number: v1.0.3Update Time: 2026/5/13 14:00 UTCPatch Notes:Fixed an issue where Vanguard Attendant could not recognize hero skills obtained via Shapeshift.Fixed issues with Amplifier's buff tracking in interactions between Astral Summons, Mr. Puff, Esquire, and Amplifier.Fixed attribute calculation issues for cards like Amplifier when tracking percentage-based attribute buffs.Fixed an issue where interactions between Surge and Mirrored Pool would cause cards in hand to display overlapped.Fixed display issues when viewing hero skills gained by Shapeshifting into Shadow of the Goddess.Pureblood Hunter now has a maximum per-turn skill trigger limit (up to 30 times) to prevent skill loops leading to crashes for certain Auto archetypes.Targets affected by Moment of Truth are now more clearly indicated with visual markers.Added a…
- Cubic Cosmos Patch Notes v1.0.2 - 8 May 2026
Hail, Cosmonauts!See below for details on update v1.0.2.Update Version: v1.0.2Update Time: 2026/5/8 14:00 UTCPatch Notes:Fixed interaction issues with the hero skill selection screen for gamepads and Steam Deck.Fixed skipping issues when hiding event selection screen for gamepads and Steam Deck.Fixed an issue where two types of card model would remain displayed in your hand.Fixed an issue where hero models could unexpectedly disappear.Fixed incorrect text for extra XP rewarded at the end of runs.In Level 2 Falsefruit events, the choice to reduce Fatigue damage now also increases hero Might.Text description of the Potent trait has been changed to reflect the fact that it does not affect percentage-based attribute buffs.The Potent trait was intended to be able to stack, but this was not displayed due to a bug. It now functions as intended with a 2 stack maximum and the text description ha…
- Share Your Best Moments! - 1 May 2026
Since the v1.0 launch, we've been keeping a close eye on your reviews and feedback. Thanks to everyone who's played the game, written a review, or shared their thoughts — it genuinely keeps us going.To say thanks, we're kicking off a little something: share your most memorable moments from Cubic Cosmos! Wild runs, perfect builds, hilarious deaths, jaw-dropping clutches — whatever stuck with you!Which Decks Pull Off the Moment?Every memorable deck in Cubic Cosmos is the product of countless picks, cuts, and refinements.This time, we want to round up those "moments" — drop your battle code, and let everyone catch your highlight.Event Period: May 1 - May 11 10:00（PT） | Winners picked May 15🎮How to ParticipateMethod 1: Drop a Code in the Comments (Lowest barrier)Leave your battle code in the comments with a one-liner about what makes this deck / build interesting.Method 2: Post on Any Plat…
- Cubic Cosmos Patch Notes v1.0.0 - 1 May 2026
Hail, Cosmonauts!See below for details on update v1.0.0.Update Version: v1.0.0Update Time: 2026/4/30 11:00 UTC 🔧Bug FixesFixed an issue where the hero's Mana Orb effect would stop displaying after Shapeshift.Fixed an issue where the original hero's Mana Orb skill would persist after Shapeshift.Fixed an issue where the Hero Skill Domination obtained through Shapeshift would not take effect.Fixed an issue where, during consecutive Shapeshifts, the attack-prohibition effect attached to the replaced hero's Hero Skill Heartless would not be removed in time.Fixed an issue where the Potent trait added to a card by an event option would not work properly. (The trait must be obtained again to take effect.)Fixed an issue where the displayed Fatigue damage value was 1 higher than the amount actually deducted.Fixed an issue where UI glitches could occasionally occur on the Starting Deck selection…
- Cubic Cosmos v1.0 Now Available! - 28 April 2026
Hail, Cosmonauts!Today we're officially saying goodbye to Early Access and hello to v1.0!Over the past few months, we've pored over your feedback on a daily basis. Some bug reports made us break out in a cold sweat. Some of your deck builds were so incredible that we had no idea they were even possible. A lot of the changes we made were inspired by you.This official release wasn't made by us alone—the whole community worked together to help us polish it.From the moment we released the demo, every piece of feedback, every bug report, and every "hey this game is pretty cool" drove us forward.Thank you from the bottom of our hearts, for your support and your patience.v1.0.0 Patch NotesHidden boss False Goddess and accompanying hidden run now available. The run can be entered by completing certain Challenge Achievements. Completing this series of Challenge Achievements will unlock the new h…
- Cubic Cosmos v1.0 Coming April 28! - 20 April 2026
Hail, Cosmonauts! Long time no see!We've been hard at work polishing and improving all aspects of the game.Today, we can finally announce:Cubic Cosmos will exit Early Access and officially launch on April 28, 2026!Since we entered Early Access in September last year, we've received tons of valuable feedback and suggestions from players. Whether encouragement or criticism, it all helped us to make the game better.We'd like to sincerely thank every single one of our Early Access players. Your support helped us get where we are today.Over the Early Access period, we made a number of updates:Early Access Period New Content2 new playable heroesNew Variant Relics, Doll deployment, multi-entry run mechanicNew Act IIINew cards, random events, and Challenge AchievementsXbox controller and Steam Deck support, continuing improvements to gamepad controlsVersion 1.0 New ContentNew heroesNew hidden b…
- Cubic Cosmos is part of Steam Spring Sale& Patch Notes v0.16.2 - 20 March 2026
Hail, Cosmonauts!Cubic Cosmos is now 25% off as part of Steam Spring Sale!Check out the full patch notes of v0.16.2 update below:A new skill trigger has been added to correct the issue where the Variant Relics Arcane Legend and Supersizer could not be correctly affected by cards with the Auto trait. Similar items will be gradually optimized in the future.Now, when adding traits to cards during an event, if the trait is a non-stackable trait, there will be a clear prompt. The Lucre for Act III have now increased from 30 to 50.Optimized some UI precision and details, and improved the jagged edges of the card frames.Fixed an issue where a pawn with negative health would exhibit abnormal behavior after regaining health.Fixed the issue where 2 Storm Specter cards and 1 Lifestone card could not ascend to a Tier II Storm Specter card.Fixed an issue where the completion history in the Codex w…
- Cubic Cosmos Patch Notes v0.16.1 - 3 March 2026
Update Version: v0.16.1Update Time: 2026/3/3 10:00 UTCPatch Notes:Steam Deck settings and PC settings are now saved separately.Shrapnel and Swipe effects are now subject to Potency bonuses.Heroes and Variant Relics unlocked in Act III can now be unlocked by completing a single Act III run.Slightly increased the base attributes of pawns in Level 1 of Act III.Improved the scope of Lucky Bell's effect. It now applies to 0 MP and 1 MP cards.Improved Steam Deck UI display size.Improved graphical details for certain UI interactions.Updated some skill icons.Improved text kerning in multiple languages.Fixed an issue where Beacon of Dawn was erroneously affected by Queen's Lash.Fixed an issue where the Cardmaster event could display duplicate options.
- Cubic Cosmos Chinese New Year Sale | 25% OFF - 13 February 2026
Hail, Cosmonauts!Cubic Cosmos is now 25% off as part of Chinese New Year Sale 2026!Plus there's more good news:The Cubic Cosmos and Looper Tactics bundle is now available!The bundle offers Inkstone Atelier's first and second card strategy games together. The two titles share a gameplay foundation while each offering their own unique spin.Looper Tactics focuses on chessboard-style exploration and RPG adventure elements.Cubic Cosmos centers around fast-paced combat and roguelike gameplay.If you like deckbuilding and raising an army of monsters, this series is for you!♟About Looper TacticsLooper Tactics is a captivating strategy card-based RPG, blending elements of deck-building games, classic card battles, and auto-battler. You will traverse a board-style map, continuously assembling and strengthening your deck through battles, events, and treasure hunts — all while uncovering the truth h…
- The Cubic Cosmos Spring Festival update is now live! - 13 February 2026
Hail, Cosmonauts!Cubic Cosmos v0.16.0 (Spring Festival update) is now available!😋This update includes 3 gameplay modes, new heroes, Spring Festival-themed Dolls and monsters, and more. See below for details:Added a 3rd main mode - Act III.Added the 4th Blue hero, Cogmancer.Added 5 new cards each for Red, Blue, Purple, and neutral, totaling 20 cards.Added new Dolls Horsey and Nian Lion.Added new monster Nian Lion.Added 2 new Variant Relics. Added over 30 challenge achievements.Added new trait effects Support, Pickup, Resonance, Splash, Ranged Attack, Potent, and Echo.Enhanced hero skills Reforge, Suppress, Thunderous Rage, and Icebreaker.Enhanced cards Spirit Echo, Oakheart, Slayer, Incubator, Mr. Puff, Esquire, and Shadow Lancer.Starting from Eighth Cosmic Seal run difficulty, Level 1 Shop and Level 3 Shop will have 1 additional card for sale.XP level cap increased from 200 to 500.Opti…
