Rivals Showdown
Sports · Mobile · 3D
Plan formations, assign routes and define strategies as a head coach, while experiencing key moments on the field as a player.
My role & contributions
Game Designer / Game Developer / Tech Designer
- Game concept and core systems design
- Formation and route planning system design
- AI architecture and behavior
- Unity implementation of gameplay systems
- Full GDD and development documentation
Formation & Route Planning System
Game Designer · Systems Designer · UX Thinking
🟥 The problem
American Football strategy is complex. On mobile, too many formation and route options created visual clutter and reduced role clarity.
🟨 What I did
- Designed team formation system with fixed positional anchors
- Constrained route options dynamically based on player role
- Implemented automatic positional adjustments for readability
- Reduced UI overload while preserving strategic freedom
🟩 Result
- Improved pre-play clarity and tactical readability
- Preserved player agency without overwhelming the screen
- Established a scalable system for additional formations
Game CPU AI
Tech Designer · AI Designer · Gameplay Programmer
🟥 The problem
Defensive behavior needed to feel coordinated and strategic while remaining lightweight for mobile performance.
🟨 What I did
- Designed a quadrant detection system around each defender
- Implemented distance-based target prioritization
- Prevented defender overlap and double-marking logic
- Structured conditional behavior for multi-enemy scenarios
🟩 Result
- Delivered believable defensive coordination
- Reduced chaotic targeting behavior
- Created scalable AI logic with low processing cost
Core Throw & Field Goal Systems
- Reworked quarterback throw for precision and control
- Repurposed original throw mechanic for field goal mode
- Improved mechanic reuse and system efficiency
Runner & Defensive Interaction Balance
- Designed dodge mechanic for ball carrier
- Implemented jump mechanic for defenders
- Rebalanced defender stacking by introducing ally blocking utility
Documentation & System Ownership
- Authored full GDD
- Documented development process (devlog)
- Researched and translated real sport rules into gameplay systems
