Getting Started
Install the desktop app
Download Emulation Ninja for Windows, Linux, or Mac and complete the first safe install.
Updated July 13, 2026
Emulation Ninja Documentation
Install, configure, organize, and troubleshoot with guides built from the same product knowledge we ship in the app.
Getting Started
Install and connect desktop + web.
Emulators
BIOS, firmware, cores, and controllers.
Saves & Achievements
Cloud states, SRAM files, and tracking.
Troubleshooting
Fix high-friction setup and sync issues.
Featured Guides
Getting Started
Connect desktop and web
Register your desktop app to unlock your full library experience in the web app.
Updated July 13, 2026
Library & Games
Import ROM folders
Import single-system or organized multi-system folders and keep your library clean.
Updated July 13, 2026
Emulators & Setup
Install or register an emulator
Install supported emulators with one click or register an existing install without starting over.
Updated July 13, 2026
Emulators & Setup
Fix missing BIOS or firmware
Resolve BIOS and firmware requirements before launch so games boot consistently across systems.
Updated July 13, 2026
Playing
Use Big Picture Mode
Launch controller-first couch play with TV-friendly navigation, details, and recommendations.
Updated July 13, 2026
Saves, Cheats & Achievements
Set up RetroAchievements
Enable RetroAchievements in gameplay with sidebars, toasts, and a dedicated progress view.
Updated July 13, 2026
Saves, Cheats & Achievements
Manage saves, cloud save states, and cloud SRAM files
Understand the difference between cloud save states and cloud SRAM files, then sync both safely.
Updated July 13, 2026
Troubleshooting
Troubleshooting: no games found, wrong matches, or missing new metadata
Fix the most common import and metadata issues quickly, including scans that miss newer provider content.
Updated July 13, 2026
Getting Started
Install the desktop app
Updated July 13, 2026
Download Emulation Ninja for Windows, Linux, or Mac and complete the first safe install.
Open guide →Connect desktop and web
Updated July 13, 2026
Register your desktop app to unlock your full library experience in the web app.
Open guide →First-time setup wizard
Updated July 13, 2026
Use the welcome flow to auto-install core Ninja emulator components and import your first games.
Open guide →Library & Games
Import ROM folders
Updated July 13, 2026
Import single-system or organized multi-system folders and keep your library clean.
Open guide →Emulators & Setup
Install or register an emulator
Updated July 13, 2026
Install supported emulators with one click or register an existing install without starting over.
Open guide →Fix missing BIOS or firmware
Updated July 13, 2026
Resolve BIOS and firmware requirements before launch so games boot consistently across systems.
Open guide →Manage RetroArch cores
Updated July 13, 2026
Install, search, and set primary RetroArch cores with confidence.
Open guide →Playing
Use Big Picture Mode
Updated July 13, 2026
Launch controller-first couch play with TV-friendly navigation, details, and recommendations.
Open guide →Saves, Cheats & Achievements
Set up RetroAchievements
Updated July 13, 2026
Enable RetroAchievements in gameplay with sidebars, toasts, and a dedicated progress view.
Open guide →Manage saves, cloud save states, and cloud SRAM files
Updated July 13, 2026
Understand the difference between cloud save states and cloud SRAM files, then sync both safely.
Open guide →Media & Assets
Use AI-enhanced covers
Updated July 13, 2026
Apply cleaner, upscale-ready cover art for a consistent library grid across desktop and Big Picture.
Open guide →Add videos and screenshots to games
Updated July 13, 2026
Use the game asset manager to enrich game pages with media from multiple sources.
Open guide →Troubleshooting
Troubleshooting: no games found, wrong matches, or missing new metadata
Updated July 13, 2026
Fix the most common import and metadata issues quickly, including scans that miss newer provider content.
Open guide →