Godot 4 Roguelike Deckbuilder & Hand Management Engine

Slay the Spire style draw/discard pile mechanics, curved hand fan layout, and energy system for Godot 4.

Production-grade card battling and hand management architecture for Godot 4.2 and 4.3 LTS. Features Slay the Spire / Balatro style draw, discard, and exhaust piles, mathematical Bezier card hand fanning, energy mana economy, drag-and-drop targeting with arrow trajectory splines, and relic passives.

• Draw, Discard, Exhaust & Void Deck Pile Cycle Management
• Cubic Bezier Card Arc Fanning with Dynamic Hover Lift
• Quadratic Bezier Curve Targeting Spline with Enemy Hit Detours
• Turn-Based Energy Mana Economy & Cost Modifiers
• Keyword Status Effect Pipeline (Vulnerable, Weak, Poison, Block)
• Full GDScript Source Code & Turn-Based Combat Demonstration
• Standard Godot 4 Addon Format (addons/hermes_deckbuilder)
• 100% Royalty-Free Commercial License