Store data
- UK price
- Free
- US price
- Awaiting regional check
- Positive reviews
- 66%
- Total reviews
- 18
- Release date
- 2 November 2026
SteamWatch’s first observed day and week; tracking can begin after release. Top Sellers is Steam’s revenue ranking, not a sales estimate.
1 player-data day recorded in this window.
1 player-data day recorded in this window.
24-hour and 7-day views use hourly peaks from ten-minute samples. Longer views use retained daily peaks. Up to 24 recent event markers are shown per layer.
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| Last 30 days | 1 | — | — | 0 | — |
| November 2026 | 1 | — | — | 0 | — |
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Recent views use Steam's daily review activity. Longer views use weekly totals, retained by SteamWatch.
Step into Caldra, a competitive deck-building card game where trading and strategy decide the outcome of battle!
Players strengthen their decks by buying and selling cards with coins during the match, building their strategy while reading their opponent’s moves.
There is no cost to play cards . How you use your hand, which cards you choose to acquire, and the moment you decide to make your move—all of it shapes your strategy.
With deep mind games and strategic decisions until the very last play, every turn can change the outcome of the match .
Earn coins during the game to buy and sell cards, building and adapting your deck as the battle unfolds. Flexible deck management is key to victory.
There is no cost required to play cards. The way you use your hand and the order in which you play your cards become the core of your strategy.
Matches are decided in a best-of-three rounds . Careful resource management and tactical decisions in each round will determine the winner.
| # | ||
|---|---|---|
| 01 | Ach Tutorial Complete | 27.3% |
| 02 | Ach Win Game | 24.7% |
Patch Notes As Heepcaps begin to make their way onto our dining tables, I hope all you Owners are doing well! This time, we're bringing you a long-awaited new class, new cards, and new gameplay systems! Without further ado, let's jump right in! First, let's start with the trailer! Ver. 0.1.0 Introduction Trailer New Class: Hunter Arrives! Hunter's defining feature is "Treasure Hunt," a mechanic centered around searching for treasure. Reroll the shop, search for treasure chests, and claim the rewards of your adventure! A wide variety of treasures awaits you, including cards that let you obtain a specific Legendary card, cards that permanently increase a unit's stats, and even some REALLY powerful units! Another exciting aspect of Hunter is how using the shop directly translates into strength on the battlefield. Gain free shop rerolls, strengthen your units based on how many times you'v...
Read full update on Steam ↗As the intense summer heat begins to fade and the season arrives when ice mages start their research, I hope all of you Owners are doing well. Now then, thank you all for waiting. Perhaps I have kept you waiting a little too long. Today, I would like to share a preview of the next version update. Ver. 0.1.0 Highlights The next version update will include the following changes. New Class: “Hunter” Arrives The new class “Hunter,” which was previously announced, is finally planned to arrive in the next update. Hunter’s defining feature is “Treasure Hunt,” a system focused on searching for treasure. Reroll the shop, search for treasure chests, and claim the rewards of your adventure. Various treasures await you, including cards that let you obtain a specific Legendary card, cards that permanently increase a unit’s stats, and even an extremely powerful unit. In addition, Hunter can gain fr...
Read full update on Steam ↗Patch Notes As Wendela flowers begin to add their colors to the town, how are all you Owners doing? This update brings some major new features to Caldra. Thank you very much for all your feedback! Now then, let’s take a look at the new features! Changes to the Time Limit System The time limit system has been changed so that each game now randomly uses one of two formats: the “Turn Limit System” or the “Time Bank System.” Turn Limit System: At the start of each turn, players have a time limit of about 1 minute to take their actions. Time Bank System: At the start of the game, players are given about 300 seconds of available time. At the start of each turn, about 60 additional seconds are added to their remaining time. Which of these two systems is used will be decided randomly for each game. Since this is an experimental feature, we plan to make the final decision based on feedback abo...
Read full update on Steam ↗Patch Notes When the flowers of Dragon Amber bloom and the white rabbits begin changing into their summer attire, how are all you Owners doing? This is Caldra’s first balance adjustment since the service began. Thank you so much for playing! In this update, we have slightly weakened cards that were too strong based on current battle records, while giving a reasonable boost to weaker cards and cards that were rarely being used. Now then, let’s get excited and dive into Caldra’s very first balance adjustment! Balance Adjustments * Under Cover of Night: Added the effect “Draw 1 card after using this card.” * Cunning Exchange: Added the effect “Draw 1 card after using this card.” * Dark Merchant: 2/6 => 4/3 * Nightmare: 4/1 => 5/1 * Ember Arcanist: 2/5 => 2/4 * Young Head of Coutevert: 3/7 => 3/6 * Oathwell: 1/4 => 1/3 * Rehire Contract: SuperRare => Rare * Grand Starweaving Magic: Change...
Read full update on Steam ↗Patch Node Bug Fixes - Fixed an issue where localization could sometimes behave incorrectly.
Read full update on Steam ↗Patch NotesImprovementsChanged the maximum turn time for each player: 75 seconds => 90 secondsBug FixesFixed an issue where card positions were misaligned in the modal displayed after a battle endsFixed an issue where the tutorial could become impossible to progressFixed an issue where the effect of “Knight Council Spokesperson” was not applied correctly
Read full update on Steam ↗1 concurrent players — the highest daily peak recorded at that point.
Release date supplied by the Steam store.
Patch Notes As Heepcaps begin to make their way onto our dining tables, I hope all you Owners are doing well! This time, we're bringing you a long-awaited new class, new cards, and new gameplay systems! Without furthe…
As the intense summer heat begins to fade and the season arrives when ice mages start their research, I hope all of you Owners are doing well. Now then, thank you all for waiting. Perhaps I have kept you waiting a lit…
Patch Notes As Wendela flowers begin to add their colors to the town, how are all you Owners doing? This update brings some major new features to Caldra. Thank you very much for all your feedback! Now then, let’s take…
Patch Notes When the flowers of Dragon Amber bloom and the white rabbits begin changing into their summer attire, how are all you Owners doing? This is Caldra’s first balance adjustment since the service began. Thank…