Game UI/UX Build HUDs and menus that stay correct on a phone, an ultrawide monitor, and a TV across a gamepad and a mouse. This skill owns the engine-neutral UI architecture — responsive layout, scaling, focus navigation, screen flow, and how UI talks to game state — and defers the concrete widget API to the engine UI skill. When to use - Use when building a HUD (health/ammo/score), a menu (main/pause/settings), an inventory or shop screen, or any overlay, and you want it to scale and navigate correctly. - Use to fix UI that breaks at other resolutions/aspect ratios, ignores notches/safe area…