A tactical card game built on Estro type clashes. Win the 5-stat duel to claim Dominance, then spend banked Quantum Charge to Overload the fight, multiplying your edge and turning a close call into a rout. Solo campaign, AI battles and ranked PvP.

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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“ESTRO Quantum is a strategy card game, and a card game is only as strong as its balance and its community. Early Access lets me tune card balance, the Estro matchups and the Quantum layer against a real, active player base instead of in a vacuum, and it lets players help decide which game modes come next. As a solo developer, that direct feedback loop is the fastest way to make the game the best version of itself.”

Approximately how long will this game be in Early Access?

“I am planning for roughly one year in Early Access. That is a target, not a promise: as a solo developer I would rather extend Early Access than push out a 1.0 that feels rushed or unbalanced. I will adjust the timeline based on how the meta settles and how much player feedback there is to act on.”

How is the full version planned to differ from the Early Access version?

“I intend to grow the game well beyond its launch feature set. The areas I plan to expand are: more game modes beyond the ones available now, deeper balance passes across the 250+ cards and 180+ Gifts, additional cosmetics and progression, and quality-of-life improvements driven by player feedback. I am deliberately avoiding hard promises on specific features or release dates; the aim is steady, meaningful additions rather than a fixed checklist.”

What is the current state of the Early Access version?

“ESTRO Quantum is already a complete, playable game, not a demo. At launch it includes the full 1v1 combat system with the Quantum layer, over 250 cards and more than 180 distinct Gifts, a single-player campaign, AI battles across difficulty levels, online ranked PvP with seasonal leaderboards, the NecroToken mode, daily and weekly missions, and a cosmetics shop that uses in-game currency only, with no microtransactions. It is fully enjoyable as it is today. Early Access is about expanding it, not finishing core features.”

Will the game be priced differently during and after Early Access?

“I plan to raise the price gradually as new game modes and content are added during Early Access. Buying during Early Access means getting the game at its lowest price, and I do not plan to lower the price when the full version launches.”

How are you planning on involving the Community in your development process?

“Direct feedback is the entire point of Early Access for me. I will use the Steam Community hub and discussions to collect balance reports, bug reports and suggestions, run polls on which modes and features to prioritize, and post regular patch notes. As a solo developer I can read and act on feedback quickly, so the community's input will directly shape what gets built next”
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This game is not yet available on Steam

Planned Release Date: July 2026

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About This Game

ESTRO Quantum is the official digital version of ESTRO, the 1v1 strategic card game, and it breaks the rule almost every TCG game lives by: there are no hit points.

No life bar to grind down. Not yours, not your cards. You never burn down a health total, you win by seizing the board. That single choice changes how every match is fought.

No life points, win by domination

Victory isn't a number reaching zero. You win one of three ways:

  • Wipe the field: leave your opponent with no cards in play from the end of fifth round.

  • Deck them out: an opponent with an empty hand who can no longer draw loses on the spot.

  • Rule round 19: go the distance and the playerwith both more cards on the field AND a higher combined value wins. Lead one but not the other, and it's a draw.

Every card you play is territory, not a hit to someone's health. Trades, tempo and board presence are the game.

How a clash is decided

Combat is fast and fully automated. When two cards fight, the game compares their Total (TOT), the sum of five stats: ATK, DEF, HEL, DEX and MAP. But TOT is only the start:

  • Estro matchups: every card is one of five Estro classes: Ardo (fierce attackers), Granito
    (impenetrable defenders), Armonio (healers and buffers), Illusio (assassin shadows) and Manpo (reality manipulators). An interaction matrix hands out bonuses and penalties depending on who attacks whom, send the right Estro into a fight and you can flip it before a point is counted.

  • The dice: both players roll a d6; the right result adds +5, so no clash is ever fully decided in advance.

  • Primary-double rule: overwhelm a card on the stat that matters and you win outright, ignoring TOT entirely.

  • Zones: an active Zone wraps the whole battlefield, buffing a matching Estro and bending the rules for both players.

Gifts

Almost every card carries a Gift, a triggered ability that resolves automatically when it counts: on play, on destruction, or in response to your opponent. With more than 180 distinct Gifts in the box, steals, protections, revivals from the Incinerator and counters that turn a Gift back on its caster are all on the table. Gifts are where a pile of cards becomes a deck with a plan, and where the mind games live.

The Quantum layer

This is the digital twist in the name. The entire ESTRO tabletop ruleset is intact, Quantum is built on top of it, never replacing it:

  • Charge: every card you play banks Quantum Charge (up to 20).

  • Dominance: out-stat your opponent in 3, 4 or 5 of the five stats and you earn a x1, x2 or x3 multiplier for that clash.

  • Overload: spend your banked Charge times that multiplier and slam it onto
    the clash's total. It works on attack AND defense: a dominant card you control can repel an attack as easily as it can crush one.

Quantum doesn't win the game for you, your board does. It's the risk/reward layer that decides who takes the fights along the way. Bank it, read the board, and unload at the exact moment it breaks your opponent.

Build your deck if you want to play in deck mode and not random mode

Assemble a 25-card deck from a pool of over 250 cards, pick 20 and let five be dealt at random, so every match opens a little differently.
No duplicates, no booster-pack gambling: the full collection is your toolbox. The math is staggering: over 250 cards produce more than 16 decillion combinations. No two players will ever build the same way.

Modes

  • Campaign: a single-player run set in the ESTRO universe that teaches the system one duel at a time, chapter by chapter.

  • AI Battles: sharpen your decks against opponents across a range of difficulty.

  • Ranked PvP: climb a competitive online ladder against real players, season after season.

  • NecroToken: an advanced luck-equalizer mode: every card you lose hands you a NecroToken to bank and
    spend on an extra draw, an unbreakable shield, or a card pulled straight from your deck. Comebacks, weaponized.

Fair by design

The only store is in-game, and it sells cosmetics: card skins, battle effects, backdrops and card backs, bought with currency you earn by playing. No microtransactions. No real-money store.


No pay-to-win. You win games at the table, not at the checkout.

One developer, the whole game

ESTRO Quantum is a solo project.

Early Access

ESTRO Quantum launches in Early Access, Necrotoken mode is only the start: more game modes are on the roadmap and will arrive during Early Access. Play to earn points, clear daily and weekly missions, and climb seasonal leaderboards to see who really runs the meta.

No life points. Just the board, the clash, and the Overload you saved for the right moment.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

ESTRO Quantum uses generative AI only for some of its 2D visual assets. Card illustrations and cosmetic art (card skins, backdrops, card backs) were created with the help of generative AI image-generation tools, then curated and reviewed by the developer before being included in the game. No AI-generated content is produced live during gameplay; the single-player "AI opponents" are traditional rule-based systems and do not use generative AI.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 11 (64-bit)
    • Processor: Intel Core i3 (4th gen) / AMD Ryzen 3 or equivalent
    • Memory: 4096 MB RAM
    • Graphics: GPU with WebGL 2.0 / DirectX 11 support (Intel HD 4000 / integrated or better)
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 2500 MB available space
    • Sound Card: DirectX compatible
    • Additional Notes: Internet connection required for login and online features: earned points/currency, missions, shop and online PvP are server-authoritative.
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 11 (64-bit)
    • Processor: Intel Core i5 / AMD Ryzen 5 or better
    • Memory: 8192 MB RAM
    • Graphics: Dedicated GPU or modern integrated (Intel Iris Xe / NVIDIA GTX 1050 or better), WebGL 2.0
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 2500 MB available space
    • Sound Card: DirectX compatible
    • Additional Notes: Internet connection required for login and online features: earned points/currency, missions, shop and online PvP are server-authoritative.
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