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Heart Duels
Heart Duels is a tactical card battler with RPG elements and deep lore. Three unique factions. Three unique playthroughs. Every NPC has a card. Win ranked duels against NPCs to unlock cards, character stories, quests, world lore. Over 80 NPCs, over 120 cards. All cards unlocked for multiplayer.

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Features
Single-player
Online PvP
Steam Cloud
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔
Simplified Chinese ✔
Check out the entire Encased Heart collection on Steam

Download Heart Duels Demo

This game is not yet available on Steam

Planned Release Date: Aug 7, 2026

This game plans to unlock in approximately 2 months

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Demo Update

There was a bug with the Tutorial screen not starting. 

That has been fixed. Please update your demo client.

About This Game

Heart Duels

Heart Duels is a tactical card battler where positioning matters as much as the cards you play. 

Duels take place on a compact tactical board with front rows, back rows, and special cover lanes.

Units have keywords and abilities. At your disposal are spells and items.

Heart Duels rewards those who master their cards, and the tactics of the board.

Your cards alone do not determine your fate. It is your skill and tactics that will determine if you win or lose.

Sharpen your wits and deploy stratagems to become the King of Duels.

Single player

Three unique factions to choose from. Each with their own cards, strategies and identity.

Each faction provides a unique playthrough experience. With unique NPCs, and lore.

Heart Duels takes place in the world of Erisa, a fantasy setting with deep lore and world building.

By defeating NPCs at ranked duels you can unlock NPC stories, quests and the lore of the fantastic world of Erisa.

  • Over 80 NPCs each with their own card and story and quest

  • Over 120 cards

  • 3 playthroughs

  • Hidden quests

  • Hidden lore

New way to collect cards:

Every NPC has their own card. Defeat them in a ranked duel to:

  • Increase your rank

  • Collect their card

  • Unlock each NPC's unique story and quest

  • Unlock lore of the world of Heart Duels

Customize Your Own Card:

You get your own card with customizable stats, keywords and abilities. Unlock all keywords and abilities, to forge a card that paves your way to victory.

Multiplayer:

All cards unlocked for multiplayer!

Build your deck to shape your strategy. 

Challenge your friends to friendly 1v1 online duels.

Multiplayer is P2P.

AI Generated Content Disclosure

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

Heart Duels is a solo-developed game. I use AI-assisted tools for some art and audio. All assets are curated and integrated by me to create a cohesive experience.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64-bit
    • Processor: Intel Core i3-6100 / AMD FX-6300 or equivalent
    • Memory: 4 GB RAM
    • Graphics: NVIDIA GTX 750 Ti / AMD Radeon R7 260X / Intel UHD 630 or better
    • Storage: 4 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10/11 64-bit
    • Processor: Intel Core i5-8400 / AMD Ryzen 5 2600 or better
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GTX 1060 / AMD RX 580 or better
    • Storage: 4 GB available space
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