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Steam News4 March 20264mo ago

Bosses & Major Gameplay Systems Update

**PATCH NOTES – 0.9.8.318** **Major Features** * **Boss System**: New boss enemy class, boss spawner, exploding bosses that remove walls, new Kiwi boss.

Full notes

Full Historic Helix update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

2 fixes7 additions27 changes1 removal
  • Gameplay
  • UI and audio
  • Maps
  • Performance
  • Fixes
added**Boss System**: New boss enemy class, boss spawner, exploding bosses that remove walls, new Kiwi boss.
changed**Chat Plays Integration**: Command queue system, username display, maze-accurate movement, overworld support, rattler enemy control, debugging tools.
changed*Gameplay Additions**
changedRage system expanded: music reacts to rage level, rage gain from ice blocks and endpoints, UI moved to top.
changedMap completion polish: gem collection animations, falling leftover gems, object fade-outs, counters.
addedArtifact updates: corpse drops, new animations, corpse indicators, end-screen animation improvements.

Historic Helix changes

added**Boss System**: New boss enemy class, boss spawner, exploding bosses that remove walls, new Kiwi boss.
changed**Chat Plays Integration**: Command queue system, username display, maze-accurate movement, overworld support, rattler enemy control, debugging tools.
changed*Gameplay Additions**
changedRage system expanded: music reacts to rage level, rage gain from ice blocks and endpoints, UI moved to top.
changedMap completion polish: gem collection animations, falling leftover gems, object fade-outs, counters.

**PATCH NOTES – 0.9.8.318**

**Major Features**

* **Boss System**: New boss enemy class, boss spawner, exploding bosses that remove walls, new Kiwi boss.

* **Chat Plays Integration**: Command queue system, username display, maze-accurate movement, overworld support, rattler enemy control, debugging tools.

**Gameplay Additions**

* Rage system expanded: music reacts to rage level, rage gain from ice blocks and endpoints, UI moved to top.

* Map completion polish: gem collection animations, falling leftover gems, object fade-outs, counters.

* Artifact updates: corpse drops, new animations, corpse indicators, end-screen animation improvements.

* New tutorials: overworld movement, artifacts, auto-move, reset toggle, disable toggle, completion audio.

* Level unlock requirements and gate info now shown clearly.

* Level 100 portal now links to Level 1 for free.

* Rattler enemies improved: pathing, direction indicators, segment logic, artifact stealing based on length.

**Controls and Input**

* New device monitor and improved controller routing.

* Gamepad start opens pause.

* Menu navigation rewritten for keyboard and controller.

* On-screen mouse joystick improved.

* Hardware cursor overhaul: no flicker, instant follow during panning, always visible when needed.

**Overworld & Navigation**

* Click anywhere to auto-move.

* Player auto-pans to destination.

* Cursor panning aligned with hardware cursor.

* Highlight paths and depth lines on hover.

* Fixed selection reliability and gate interactions.

* Remote nodes now initiate movement instead of failing input.

**UI & UX**

* Full tooltip system: anchors, delays, token parsing, font sizing, contextual help, menu support.

* Level buttons now expand on hover and show level numbers.

* Portal arrows added for direction clarity.

* Modal handling improved; inputs blocked correctly when open.

* New share/buy overlay and URL sharing modal.

* Updated brightness and global lighting controls.

**Progression & Systems**

* Steam achievements implemented and fixed.

* Share credit system rewritten and expanded.

* Demo variant system with content restrictions.

* Save and load fixes for maps, portals, unlocks.

* Save manager refactor.

**Performance**

* Major optimizations to:

* Edge rendering and selection

* Parallax manager

* Level node state system

* Input and pan handlers

* Removed excessive logging.

* Map rebuilds now queued instead of instant.

**Bug Fixes**

* Player movement failing after reopening overworld.

* Portals alpha state incorrect.

* Tutorial button inputs not working on gamepad.

* Selection ring including invalid objects.

* Cursor reappearing during pan.

* Incorrect map piece loading on first launch.

* Overlay music pause issues.

* Multiple selection and merging issues in editors.

* Numerous UI, rendering, and state sync fixes.

**Visual & Audio**

* Brighter default rendering.

* Updated URP settings.

* New sound handling for menus and rage.

* Artifact and map visuals colorized.

* Velocity-based player skew animation.

**Editor & Tools (Developer Side but affects stability)**

* Variant Builder system.

* Debug key tools and performance simulators.

* Refactored managers and class structures.

Source

Steam News / 4 March 2026

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