Limit Break - ゲームデザイナー（機能開発）Game Designer (Features) (Japan)

• Proven development and live-operations experience in F2P Puzzle and/or Merge genres, with deep understanding of gameplay mechanics • Ability to communicate with ownership and confidently engage with executive leadership (including CEO-level discussions) • Capable of building Unity mock-ups independently and communicating ideas grounded in implementation feasibility • Strong interest in game design, level design, player psychology, and data science • F2P System Design Expertise Ability to integrate difficulty, progression flow, and economy (rewards/monetization) within Puzzle/Merge genres, and clearly articulate their impact on Retention and Monetization (including LTV) • F2P System Design Expertise • Data-Driven Iteration Cycle ManagementAbility to derive actionable strategies from win rates, EV, retention deltas, ARPDAU, and live KPIs; rapidly execute hypothesis → implementation → measurement → learning cycles • Data-Driven Iteration Cycle Management • Specification & Alignment CommunicationSkilled in writing PRDs and structuring mock-ups and measurement requirements; able to clearly communicate intent, expected impact, and risks across Engineering, Art, QA, Analytics, and LiveOps • Specification & Alignment Communication • Production Planning & OptimizationAbility to estimate level production capacity and effort, and propose productivity improvements including AI and automation workflows. • Production Planning & Optimization • Deep understanding of how difficulty curves, flow design, and economic systems impact retention and monetization • Strong analytical skills translating quantitative metrics into actionable design decisions • Experience with  level production capacity planning in casual genres (including AI-assisted pipelines) • Comfortable iterating quickly based on live KPIs and player feedback • Experience thriving in Agile environments • Strong cross-functional communication skills • Experience in hybrid-casual genre • Strong understanding of experimentation frameworks (A/B testing platforms, Remote Config systems) and safe live balancing practices • Modeling and simulation capabilities for economy, retention, and revenue forecasting • Expertise in economic circulation design (Source/Sink balance, reward pacing, inflation control) • Quantitative balancing skills using Expected Value modeling, difficulty curves, and win-rate data • Experience with economy simulation, retention modeling, and monetization design • Hands-on experience with live balancing tools and experimentation frameworks • If you are confident, driven and are looking for an exciting role, this job could be a great opportunity for you. • This is an international blockchain gaming company that operates regionally, and is opening offices in multiple locations around the globe.