A souls-like cooperative boss rush for 1 to 4 players. Pick from 5 classes, master MMO-inspired raid mechanics.

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About This Game

Lys is fragmenting. Corrupted guardians protect what remains of the light — and they show no mercy.

SoulBound — Fragments of Lys is a cooperative action game for 1 to 4 players built around epic boss battles. Hard by design. Fair by principle. Impossible to put down once you start to understand.

The Challenge


Inspired by the souls-like philosophy, every guardian has readable patterns, learnable mechanics and an unforgiving margin for error. You will die. You will learn. And when you finally win, you will know exactly why.

Encounters are designed as miniature raids — with visual telegraphs, safe zones, DPS checks, phase transitions and an enrage state that completely transforms the boss's pattern. Two random players and four coordinated friends are entirely different experiences.

Weekly Affixes


Every weekly reset, the world changes. Global modifiers alter the rules of every encounter — forcing new strategies, new group compositions and a real reason to come back every week.

  • Enraged — all guardians start the encounter already in their enrage state
  • Deep Curse — debuffs last twice as long
  • Resurgence — guardians regenerate HP whenever they stop taking damage
  • Growing Abyss — the arena shrinks over time
  • Echo of Lys — each defeated guardian leaves a specter that repeats its deadliest attacks

Complete the weekly challenge before the reset to earn exclusive rewards.

Four Classes, Endless Combinations


Every class has exclusive 3-hit combos, unique abilities and an Ultimate that can turn lost battles around. In group play, class synergies unlock bonuses no solo player can achieve.

  • Warrior — absolute resilience, master of close-range combat
  • Mage — area spells and crowd control that redefine the battlefield
  • Healer — the group's foundation; without timing mastery, no one survives
  • Archer — ranged precision, target marking and tactical support

Progression


  • Skill Tree — permanent unlocks that change your playstyle, not just your numbers
  • Forge & Crafting — guardian materials become equipment that modifies abilities and combos
  • Per-Encounter Rankings — from Rank C to Rank S, every guardian has a score based on time and execution
  • Global Leaderboards — compare with players worldwide; in multiplayer, the board records the full group composition

Cooperative Multiplayer


  • Online co-op for up to 4 players via Steam
  • Dedicated server support
  • Guardian HP scales with player count
  • Group mechanics active only in co-op
  • Invite friends directly through the Steam overlay

AI Generated Content Disclosure

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

We use generative AI tools to create certain visual assets in the game, specifically the game logo and the main menu background image.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS *: Windows Vista or greater
    • Processor: 2 Ghz
    • Memory: 2 GB RAM
    • Graphics: 256 mb video memory, shader model 3.0+
    • Network: Broadband Internet connection
    • Storage: 500 MB available space
    Recommended:
    • Requires a 64-bit processor and operating system
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
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