© 2026

• Protect your core “Heart Card” while carefully building a deck that’s uniquely yours, adapting to the ever-changing battlefield!

• Engage in intense battles with test subjects, using tactics to fight fiercely—or persuade calmly as you uncover the stories behind the subjects

**Game Duration: **3 Hours

**Controls: **Use the mouse to play, allowing you to move, swap, draw, discard cards, and end turns.

• Heart Defense: Your health is represented by cards on the field. Stay alert to enemy attacks and protect your "Heart."
• Action Management: Control the positioning of your cards, adjust their placement to resolve effects, and watch out for your opponent's attacks, defenses, forges, and curses!
• Deck Update: You can discard or draw cards at any time. In critical moments, seize a slim chance to turn the tide.
• Dialogue System: Communicate with the test subjects by expressing two sets of emotions (positive-negative, confidence-doubt) to uncover the truth
• Dialogue System: Communicate with test subjects using conversation cards and a pair of Affirmation and Denial cards. Uncover the truth through interaction.

**10+ Test Subjects: **Carefully crafted characters with distinct personalities and unique mechanics

50+ Game Cards: Cards with a unique art style and synergistic mechanics

15+ Advanced Mode Modifiers: Selectable advanced modifiers for a fresh experience

Development:  Booom Gingerbread Studio

Publisher: Eternal Dream

• Designer: 碳十四, 裁决之龙MAX
• Co-Designer: 百合子, WinderBear, D肝, yuuki
• Writing & Worldbuilding: 碳十四, yuuki
• Programming: 碳十四, WinderBear, D肝
• Art: 阿诺榕, 电车, DaNGo_iz, 广廿尺, 百合子, 米鲁
• Animation: DaNGo_iz, 楠哥, 三形
• Music: 鱼头
• Testing/Multilingual Localization: 碳十四, Cecile

(For more, see the formal version in-game staff list)