Mobile Game UI Responsive Design System Builder
Design adaptive mobile game UI that scales flawlessly across all devices and orientations
What You Can Do
You can create complete responsive UI systems for mobile games that intelligently adapt from 4.5" budget phones to 6.7" flagship devices and tablets. Claude generates viewport-aware layouts, touch-target specifications (minimum 44x44pt), safe area definitions for notches and dynamic islands, and asset scaling breakpoints. You get dimension tables, anchor point documentation, and orientation-switching strategies that your entire development team can reference.
Features
generates scaling rules for 5+ device form factors with pixel density considerations (1x to 3x)
accounts for notches, rounded corners, dynamic islands, and variable screen cutouts across devices
ensures all interactive elements meet minimum ergonomic sizes (44x44pt+) across resolutions
designs dual-orientation UI systems with intelligent element repositioning and reflowing
provides breakpoint tables and scaling factors for art teams to optimize graphics for multiple densities
maps UI element positions relative to screen edges, safe zones, and reference grids
recommends render strategies and asset management for low-end device compatibility
ensures UI readability and visual priority remain consistent across all screen sizes
Example Output
Mobile Game HUD Layout System
Device Breakpoints:
- Small phones (4.5"-5.1", 1x): 360x667px baseline
- Standard phones (5.4"-6.1", 2x): 1170x2532px
- Large phones (6.7", 3x): 1440x3120px
- Tablets (10"+): custom aspect ratio handling
Safe Zone Margins:
- Portrait: top 44pt (notch), bottom 34pt (home indicator), sides 16pt
- Landscape: top 0pt, bottom 21pt, left/right 44pt (dynamic island aware)
Touch Target Grid (44x44pt minimum):
- Action buttons: 64x64pt with 16pt spacing
- Menu items: 56x56pt tap zones
- HUD health bar: 8pt padding from safe edge
Asset Scaling Table:
- 1x assets: 100% scale for budget devices
- 2x assets: 200% scale for standard flagships
- 3x assets: 300% scale for high-DPI devices
What's Included
- SKILL.md instruction file with responsive design principles and mobile-specific constraints:
- Device breakpoint template listing common form factors with viewport dimensions and scaling factors:
- Safe zone mapping worksheet for notches, dynamic islands, and screen cutouts across iOS/Android:
- Touch target specification checklist ensuring ergonomic compliance across all UI elements:
- Asset scaling reference table with density multipliers and recommended breakpoints for art teams:
Who It's For
- Mobile game designers building UI systems for multi-device release
- Game UI/UX specialists creating adaptive interfaces for indie and AAA titles
- Game developers documenting responsive layout specifications for engineering teams
- Art directors planning asset creation strategies across multiple pixel densities
- Product managers defining device support matrices and responsive design requirements
Best For
- Creating responsive UI layouts for games targeting 5+ device form factors
- Designing adaptive HUD systems that work in both portrait and landscape orientation
- Generating safe zone specifications for notches, rounded corners, and dynamic islands
- Building touch interaction guidelines that maintain ergonomic standards across all devices
- Documenting asset scaling strategies and breakpoints for graphics teams
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