Prisma UI - NG and OG Web UI Framework Fallout 4

PRISMAUI F4

Build in-game menus, HUDs, and overlays with HTML, CSS, and JavaScript

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Maintained by the Fallen World team. Original framework by PrismaUI. Powered by Chromium Embedded Framework (CEF 147).

2. 0 BETA RELEASED EXPECT ISSUES!

MAKING MODS for 2. 0? SEE HERE: Click Here

MAKING MODS FOR 1. 0? Click the github link above.

SUPPORTS ALL VERSIONS!

The Modern Way to Mod Fallout 4's UI

+ Zero C++ Required: Bind settings controls directly to live Papyrus variables in a simple JSON config.

+ Beginner Friendly: Use the example template to get started and build straight from the Prisma Designer. Anyone can do it!

+ Modern Web Stack: Build HUDs, menus, and inventory panels with HTML5, CSS3, JS, React, Svelte, or Tailwind.

+ Zero Scaleform Dependency: Bypasses old Flash technology entirely.

+ Hot-Reload (F9) & Inspector: Inspect elements and update layouts in-game instantly with Chrome DevTools.

See It In Action

Fallout 4 -- PrismaUI F4 Video Preview

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Canvas Designer Interface - Make your own HUDS!

In-Game Example Plugin UI - Query your UI to F4SE C++

Original PrismaUI -- Skyrim Video

Showing framework capabilities (same framework, different game)

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Introduction

A modern framework that allows you to build Fallout 4 interfaces using the same technologies that power the web.

Forget the limitations of Scaleform, Adobe Flash, and ActionScript. With PrismaUI F4, you render interfaces directly into the game pipeline using HTML5, CSS3, and JavaScript (ES2022).

Whether you want to build custom HUDs, complex menus, interactive terminals, or full inventory systems using modern web frameworks like React, Vue, or Svelte, PrismaUI F4 is the solution to create any interface for Fallout 4.

Direct Papyrus VM Integration (Zero C++ Required)

Are you a script-only modder who doesn't write C++?