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REIGN OF VAMPIRES

  • Studio: Machine Zone

  • Platform: Mobile (iOS/Android)

  • Genre: 4X Strategy

  • Monetization: F2P, competitive PvP-driven & PvE

  • Role: Combat/Systems Designer

  • Team Size: ~80

My Ownership

  • Owned long-term PvP and PvE combat balance strategy across live environments, tuning for engagement, fairness, and monetization sustainability.

  • Designed and shipped seasonal LiveOps events and systemic features supporting content cadence and revenue beats.

  • Built and maintained multi-resource economy and progression models to forecast currency flow, inflation risk, and monetization outcomes.

  • Partnered with product and analytics to evaluate D1/D7/D30 retention, ARPDAU, payer conversion, and churn drivers — translating data insights into balance adjustments and feature iteration.

  • Modeled resource sinks/sources and progression pacing to optimize long-term player lifecycle engagement and LTV.

  • Conducted post-launch performance reviews, identifying feature-level revenue and engagement impact.

  • Mentored designers in balancing methodology, systems documentation, and implementation practices.

  • Collaborated cross-functionally with engineering, product, monetization, and art teams to deliver features under aggressive live-service timelines.

GAMEPLAY

Reign of Vampires

Reign of Vampires Gameplay Video for Android Mobile

Must Have Games: Global Android Archive
Reign of Vampires Gameplay Video for Android Mobile
Reign of Vampires Gameplay Video for Android Mobile
01:53
🔴Reign of Vampires (先行プレイ) Android / IOS Games APK
56:36
Reign Of Vampires/ Campaign Chapter 4 Boss #reignofvampires
14:56
Reign of Vampires Android Gameplay
25:35

Pets Spec

Research UX Improvements Spec

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