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Watch trailer on Steam ↗Crystal Calamity
Jump Out of Box · Published by Jump Out of Box
Last updated 9 Oct 2026
Lead a powerful companion to Save your adventuring party across shattered timelines in this roguelike deckbuilding tactics game. Fight alongside time-travelling Lumes who form your deck, build and protect them to defy the fate written by the Leviathan Crystals.
Lead a powerful companion through shattered timelines, building and protecting time-travelling Lumes to defy fate in Crystal Calamity, a strategy game from Jump Out of Box.
About this game
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About the Game
You are the captain of an adventuring party—yet due to a single mission, a single conspiracy, you were framed as the assassin of a royal minister. Your power was stripped away, and your companions were slaughtered.
At the edge of despair, two Lumes from beyond this world saved you. Through the power of Leviathan Crystals, you gained the ability to cross time itself. You and your surviving allies escaped with your lives, only to become fugitives hunted across the kingdom. By a twist of fate, you learned that to reclaim your power, save your comrades, save the kingdom—and perhaps the world—you must reach the capital and uncover the ancient secret buried within the Leviathan Crystal.
You fight alongside four companions, each bearing their own gifts. Together, you survived countless calamities—again and again, trust was the blade that carved a path through death.
Though the cataclysm shattered much of their strength, they still march beside you with their first sparks of power and their unyielding resolve. Fortune, however cruel, has not abandoned you entirely. Every desperate battle, every event woven by fate, will allow them to reclaim their lost powers—and awaken new ones long dormant.
Each companion wields an independent pool of at least 75 cards, supported by unique mechanics and limitless potential for growth. And you—will be their guide, leading them to unlock every last fragment of their destiny.
Alongside trusted comrades, another presence walks this perilous road: the Lumes—keepers of the balance of time, who crossed worlds to repair the raging temporal tides. Scattered around the capital, the Lumes are trapped by chaos. You must rescue them, mend the fractured timeline, and send them home.
Under the distortion of time, your allies’ power cannot stabilize—only under a Lume’s protection can it endure. These Lumes defend your party, and even take shape as your draw pile and discard pile, binding themselves to every battle you fight.
Protect them in combat; wield their gifts when fate demands its price. Every Lume carries a unique power. You must choose the one best suited for battle, letting them become the hand that turns destiny itself.
Hunted, despised, cornered—you walk a land where every face may hide dagger or salvation. Countless factions clash in secret, and you cannot know friend from foe. To survive, to save your companions, to save the world, you must learn, bargain—and deceive.
Again and again the wheel of fate turns, and you stand before destiny itself.
Then—once more.
This time—will you rewrite the destiny?
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10，11
- Processor: Intel Core i3
- Memory: 4 GB RAM
- Graphics: NVIDIA Geforce GTX 760
Supported Languages
Latest news
Patch NotesOfficial
Demo Update&Bug Fix #03
\ Fixed a bug where receiving Thrust from Domain while at the hand limit could cause the Undo function to trigger \ Fixed an issue where Charge Up did not trigger every turn \ Fixed an issue where Agile did not trigger when gaining additional Move-Points \ Fixed an issue where Stellar Circlet did not apply Stun to all targets of the first Attack cardRead full article on Community Announcements (455063753)AnnouncementsOfficial
Relics Just Doubled! 22 New Relics waiting you to collect!
Hello, Captains! Come take a look at what’s new in the latest Crystal Calamity Demo update!The stars of this update are Relics! We’ve added 22 brand-new Relics all at once, more than doubling the previous total of 18!We’ve also reworked the Relic acquisition system. You will no longer encounter the same Relic more than once in a single run!Every Relic comes with a powerful effect, and some of them can even become the core of your build!Jump into the new version and give them a try!Now for some other changes. Let’s take a look~Monster ChangesThe Undead Giant Boss’s card-scattering behavior has been changed to: Draw cards at the start of the turn → Scatter all cards from the Draw Pile and Discard PileRemoved the additional minions from the Tier 1 Elite Undead CaptainReduced the HP of Tier 1 ElitesSystem ChangesRemoved the Unity Logo from the startup screen (intentionally)Improved the transition animations for the tutorial’s black overlay and highlightsFixed an issue where the map would disappear on the startup screen at certain resolutionsWhen your hand already contains 10 cards, attempting to Absorb another card will no longer consume the card being absorbed. Instead, it will trigger an Absorb failure, following the same logic as a failed drawCard ChangesPride: Cost 1 → 2. Effect changed to: When you Absorb a card, gain 1 Power. If the card has Inner Injury, gain 3 Power instead.That’s everything in this Demo update~ Welcome back, Captains! It’s time to set out on another adventure! Challenge Ascension 5 and join the Playtest version~Read full article on Community Announcements (455063753)AnnouncementsOfficial
The improved tutorial is now live for Steam China Showcase 2026！
Captains,The standalone tutorial has been removed and replaced with a new tutorial that is fully integrated into the normal run.The new tutorial will lead directly into a regular run, and the run will unlocks cards and calculate your score just like any other run.We’ve also added and improved several tutorial sections that were previously missing. Mechanics that weren’t covered before have now been incorporated into the new tutorial, and we’ve also streamlined the overall experience to help you get through the tutorial and into the real adventure faster.We’re currently participating in the Steam China Showcase 2026, and we hope the improved Demo experience won’t disappoint!All Recent UpdatesVersion 0.3.3Fixed a crash caused by Scatter failing.Fixed an issue where Relics from the previous run could remain when starting a new run.Added safeguards to ensure Events, Battles, and Relics are never selected beyond their available pools.Version 0.3.4Fixed an issue where using the Draw Pile skill Swap Position could cause locked attacks to become invalid.Fixed an issue where the Griffin Boss's Head Lock could fail.Fixed an issue where right-clicking in the Shop could trigger a purchase.Adjusted the animation trigger logic for Flurry Of Blows, significantly reducing animation processing time.Fixed the values for Inch Impact+A.Version 0.3.5Added resolution settings and Windowed Mode.Adjusted Gather Storm: if its target is lost, the remaining cards will fail to be absorbed and remain on the ground.Fixed an issue where Bloodied Valor did not stack.Fixed an issue where Feral Sweep+A failed to apply Internal Injury.Fixed a calculation error with Endless Pursuit.Fixed an issue where the Griffin Boss would fail to absorb scattered cards when overlapping with them.Version 0.3.6Soul Dragger no longer exhausts itself after use.Updated the description of Golden Shell to apply to any unit.Corrected the icons and detailed descriptions of several cards.Fixed an issue where Tempest Fist+B, ...Read full article on Community Announcements (455063753)Patch NotesOfficial
Game Update&Bug Fix #02
Fixed a bug that could cause the game to crash when a Scatter failed.Fixed an issue where Relics from the previous run could remain when starting a new run.Added safeguards to prevent Events, Battles, and Relics from being generated beyond the available pool.Read full article on Community Announcements (455063753)Patch NotesOfficial
Game Update&Bug Fix #01
We fix player-reported bugs every day and do our best to push fixes on the same day. Please keep the feedback coming—it really helps us improve the game. Thank you for your support!0.3.2Fixed freeze bug caused by cards overlapping on the board.Fixed freeze bug caused by Flurry of Blows.Fixed score calculation failing on first victory.Read full article on Community Announcements (455063753)
