Major Update Announcement

Dear Researchers,

This is a moment worth commemorating! After years of persistent development and optimization, BOSS KEY has completed all core content updates for its initial feature testing phase. This is not only a significant milestone in our development journey but also a new starting point for building a quality product together with the community.

To clearly showcase the game's complete evolution, we have compiled all major updates since development began. The content below is categorized for your convenience into Game Framework, Game Modes & Systems, Card Effects & Skills, and User Experience & Interface.

Game Framework & Core Architecture (Technical Foundation)

• Data & Database: Achieved a comprehensive evolution from basic data management to complex relational constraints. This includes the introduction of SQLite for offline data management, establishing foreign key constraints, marker tables, history record type tables, and ongoing database performance optimization.

• AddedCore Combat LogicRestructured and solidified the game's core rules. Implemented a fully decoupled Skill-Effect-Operation architecture and added dozens of core card effect mechanisms such as Auras, Battlecries, Reborn, Silence, Lifesteal, Choose One, Dredge, Echo, and Colossal.

• Resource & Process Management: Built robust resource loading, object pooling, an animation resolver (based on DOTween), and a random number generator (supporting seed replication), ensuring smooth and stable game operation.

• Editor Toolchain: Provided powerful built-in tools for developers and future content creators, including the Card Editor, Data Manager, and Testing Tools.

Game Modes & Systems

• Adventure Mode: Built a complete Roguelike adventure experience from the ground up. Includes dynamic card unlocking, Alliance mechanisms, Treasure tier systems, shop refresh logic, Boss difficulty scaling, and supporting features like a deck tracker.

• Multiplayer & Social Features: Successfully integrated Steam services, implementing a Friends interface (supporting direct/group chats, with a placeholder for duel invites) and full support for the Steam Workshop, building bridges for the player community.

• Card Collection & Deckbuilding: Provides a deep card collection management system, supporting multi-class decks, card unlock conditions, card disenchantment, and opening custom expansion packs.

• AddedAccessibility & Experience OptimizationAdded assistive features like voice narration of game content and the ability to pause turn timers, making the game enjoyable for all players.

Card Effects & Skill Expansion

We have systematically implemented the vast majority of complex skill interactions required for a trading card game, including but not limited to:

• Targeting & Cost: Targeted spells, random targets, cost types (consuming Mana, Health, Armor), and target condition constraints.

• Attributes & Status: Stealing/altering attributes, gaining Spell Damage, Transformation, gaining Control, Magnetic.

• Combat & Triggers: Rush, Reborn, Start-of-Skill effects, Cast-When-Drawn (and draw a card), End Turn operation, repeating effects multiple times.

• Unique Mechanics: Quest cards, Secrets, Double Spell, Gearshift (adjusting turn time), and dynamically generated card text.

User Experience & Interface (UI/UX)

• Comprehensive Interface Overhaul: Rebuilt and optimized the visuals and interactions for all major interfaces, including the Main Menu, Adventure Mode, Collection, Deck Builder, and Workshop.

• AddedOperational FluidityOptimized the sequencing of card operation animations, added drag-and-drop wobble effects, and shortcut support (e.g., Spacebar to open packs), making interactions more immediate and enjoyable.

Looking Ahead

The completion of the initial feature test means the "skeleton" and "flesh" of BOSS KEY are now in place. Future development will focus on:

1. Content Expansion: Adding more cards, adventure chapters, and treasures based on the stable framework.

2. Experience Polishing: Continuously optimizing performance, fixing bugs, and meticulously adjusting balance and operational details based on your feedback.

3. Community Co-Creation: Relying on the launched Workshop, we look forward to creating infinite possibilities together with the player community.

Feedback Channels

Your feedback is the driving force behind the game's continuous improvement. If you encounter any issues during your experience, or have any brilliant ideas, please let us know through the following channels:

• Steam Community Discussion Board

• Official Homepage: Bilibili Homepage

We sincerely thank you for your long-term patience and support! Without the valuable data and suggestions from our test players, we could not have achieved this today. Please dive into this world of card-based possibilities and witness its future with us!

Happy Gaming!

Respectfully Submitted,

Institute of Card Game Studies November 27, 2025