Tick UI is an AI-ready Immediate Mode GUI for games and realtime applications.Tick is a fast, immediate-mode GUI library for building game UI in Unity entirely in code, no prefabs, canvases, or scene wiring. Widgets (buttons, sliders, textboxes, dropdowns, and more) are declared inline each frame, and Tick handles layout, state, and GPU-accelerated rendering. It's designed for in-game HUDs, menus, and debug tools, with built-in per-widget animation and pixel/percentage layout.Immediate-mode: Describe the frame and render the frame. There is no retained state to reconcile.AI ready: A clean API and clear documentation included allows generative tools to generate your UI for you.Built-in web-like debugger: Bring up the built-in debugger and hover over the UI to reveal layout information and jump directly to the code that generated it.Layout that composes: Stack-based Push/Pop or using() code patterns with built-in Sized, Series, Stack, Grid and Radial layouts in the box.Panels, popups & models: Priority-ordered, input routing, visibility states and first-frame hooks.Timeline API: Time-gated sections, fade envelopes, and resets. Cutscenes, tutorials and presentations in a few lines.Fluent animations: enter/leave/event contexts with curves and interactivity timings driven by real values.Render pipeline agnostic: Supports build-in, URP and UIToolkit integrations.Zero scene bloat: No canvases, no EventSystems and no prefab files to merge.For tool builders, game jam devs, engine programmers, anyone who wants to write UI the way they write gameplay code: in a single Update(), in C#, every frame.
