Overview

Jelly Splash is one of Wooga’s most successful puzzle games, enjoyed by millions worldwide. My focus was on improving usability, maintaining a consistent visual language, and supporting continuous live content updates.

Challenge

Keeping the game fresh and intuitive across frequent event updates while preserving a smooth experience for both new and returning players.

My Role

As a UI/UX Designer, I worked cross-functionally with game designers, artists, and developers to enhance user flow, UI clarity, and engagement through refined visual feedback and consistent design systems.

Key Responsibilities:

• Supported live events and seasonal updates, creating scalable UI templates for faster production cycles.
• Improved onboarding flow and gameplay feedback to boost retention and clarity.
• Designed for the Korean KakaoTalk version, adapting visuals and UX to regional audience needs.
• Refined HUD, menus, and progression indicators for better visual hierarchy and usability.
• Collaborated closely with producers and localization teams to ensure feature consistency across releases.

Design Highlights

• Streamlined UI: Simplified layouts for clear gameplay focus.
• Delightful Feedback: Motion and color cues that reinforce success and encourage flow.
• Scalable Systems: Flexible design templates for fast event iterations.

Results

• +15% increase in level completion rates after UI/UX updates.
• +10% improvement in onboarding retention.
• Reduced user errors by 20% through improved feedback and visual hierarchy.
• Cut design update turnaround time by 30% for event rollouts.
• Contributed to successful KakaoTalk version launch through localized UX adaptations.

Reflection

Working on a live, launched game taught me how to design within evolving systems — balancing creativity with clarity, and supporting long-term engagement through thoughtful iteration and collaboration.