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This guide details how to install and configure EmuDeck on your Steam Deck to play Sega Game Gear games, maximizing performance and addressing common issues. We'll cover everything from initial setup to troubleshooting post-Steam Deck updates.

The Sega Game Gear, a pioneering handheld console, now finds a new home on the Steam Deck thanks to EmuDeck. This guide ensures optimal performance and a smooth gaming experience. Recent updates recommend Power Tools via Decky Loader for peak performance.

Before Installing EmuDeck

Prepare your Steam Deck by enabling Developer Mode and gathering necessary tools.

Activate Developer Mode:

Press the Steam button.
Access the System menu.
In System Settings, enable Developer Mode.
Navigate to the Developer menu.
Under Miscellaneous, enable CEF Remote Debugging.
Restart your Steam Deck.

Installing EmuDeck on the Steam Deck

Download and install EmuDeck.

Switch to Desktop Mode.
Open a web browser and download EmuDeck.
Select the Steam OS version and choose Custom Install.
Select your SD card as the primary installation location.
Choose your desired emulators (RetroArch, Emulation Station, Steam ROM Manager are recommended).
Enable Auto Save.
Complete the installation.

Quick Settings:

Within EmuDeck, access Quick Settings and:

Ensure AutoSave is enabled.
Enable Controller Layout Match.
Set Sega Classic AR to 4:3.
Turn on LCD Handhelds.

Transferring Game Gear ROMs and Using Steam ROM Manager

Transfer your ROMs and integrate them into Steam.

Transfer ROMs:

In Desktop Mode, use Dolphin File Manager.
Navigate to your SD card's Emulation/ROMs/gamegear folder.
Transfer your Game Gear ROMs to this folder.

Steam ROM Manager:

Open EmuDeck and launch Steam ROM Manager.
Close the Steam Client when prompted.
Select the Game Gear parser.
Add your games and parse them.
Verify artwork and save to Steam.

Resolving Missing Artwork in EmuDeck

Fix missing or incorrect artwork.

Use the "Fix" function in Steam ROM Manager to search for and apply correct artwork.
Remove any numbers preceding game titles in ROM filenames, as this can interfere with artwork detection.
Manually upload artwork via the Steam ROM Manager if necessary.

Playing Game Gear Games on the Steam Deck

Access your games and optimize performance.

Switch to Gaming Mode.
Open your Steam Library.
Navigate to the Game Gear collection.
Select a game and play.

Performance Settings:

Adjust settings for optimal framerate:

Access the Quick Access Menu (QAM).
Open the Performance menu.
Enable per-game profiles.
Increase the Frame Limit to 60 FPS.

Installing Decky Loader on the Steam Deck

Install Decky Loader for enhanced control.

Switch to Desktop Mode.
Download Decky Loader from its GitHub page.
Run the installer and choose the Recommended Install option.
Restart your Steam Deck in Gaming Mode.

Installing the Power Tools Plugin

Install and configure Power Tools.

Access the Decky Loader plugin store via the QAM.
Install the Power Tools plugin.
Within Power Tools, disable SMTs, set Threads to 4, enable Manual GPU Clock Control, and set GPU Clock Frequency to 1200. Enable per-game profiles to save these settings.