Official User Guide

Get the most out of Killer Feature

Learn how to set up Killer Feature, organize your PC games and emulators, explore key features, and solve common problems from one simple guide.

⚡ Get started in 2 minutes

Quick Start

A fast path to install Killer Feature, set up your library, and start using your games without the usual launcher clutter.

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Install and first setup

Download Killer Feature, install it on your PC, and complete the first-time setup.
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Manage your game library

Add PC games, emulator libraries, and unsupported titles, then keep everything organized in one place.
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Explore the features

Discover the unified gaming interface, emulator support, media tools, community features, and more.
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Fix common issues

Find quick solutions for installation problems, game launching issues, emulator setup, and library detection.

Emulator Lab

Explore supported emulators and platforms, then learn how to install, configure, and use them inside Killer Feature.

RPCS3 RPCS3 Ryujinx Ryujinx Dolphin Dolphin PCSX2 PCSX2 Cemu Cemu Xenia Xenia PPSSPP PPSSPP DuckStation DuckStation Citra Citra bsnes bsnes

Explore Killer Feature

Take a quick tour of the main sections of the app and learn how each one improves your PC gaming setup.

Games
Games

Game Library

Bring Steam games, emulators, and other platforms together in one clean, easy-to-browse library.

 Media
Media

Media Center

Play videos and music inside the app, with Picture-in-Picture support for a smoother experience.

 Community
Community

Friends and Community

Follow posts, activity, and friends inside the Killer Feature community experience.