Home News Steam Deck: How To Run Sega Game Gear Games

Steam Deck: How To Run Sega Game Gear Games

Author : Eric Jan 25,2025

This guide details how to install and use EmuDeck to play Sega Game Gear games on your Steam Deck, maximizing performance with Decky Loader and Power Tools.

Before You Begin: Essential Preparations

Before installing EmuDeck, ensure you've taken these steps:

  • Enable Developer Mode: Navigate to Steam > System > System Settings > Enable Developer Mode. Then, in the Developer menu, enable CEF Remote Debugging. Restart your Steam Deck.

  • Essential Equipment: An A2 microSD card (or external HDD connected via dock) is crucial for storing ROMs and emulators, freeing up your internal SSD. A keyboard and mouse are highly recommended for easier file management. Remember to legally obtain your Game Gear ROMs.

Installing EmuDeck

Follow these steps to install EmuDeck:

  1. Switch to Desktop Mode (Steam button > Power > Switch to Desktop).
  2. Download EmuDeck from its official website. Select the SteamOS version and choose "Custom Install."
  3. Select your microSD card (Primary) as the installation location.
  4. Choose your desired emulators (RetroArch, Emulation Station, Steam ROM Manager are recommended).
  5. Enable "Auto Save."
  6. Complete the installation.

Quick EmuDeck Settings

Open EmuDeck and access Quick Settings:

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

Transferring ROMs and Using Steam ROM Manager

Transfer your Game Gear ROMs:

  1. In Desktop Mode, use Dolphin File Manager to navigate to Primary > Emulation > ROMS > gamegear.
  2. Transfer your ROMs into this folder.

Use Steam ROM Manager to integrate your games into Steam:

  1. Open EmuDeck and select Steam ROM Manager.
  2. Close the Steam client when prompted.
  3. Follow the on-screen instructions, selecting Game Gear as the system and adding your games.
  4. Verify artwork and save to Steam.

Fixing Missing Artwork

If artwork is missing or incorrect:

  • Use the "Fix" function in Steam ROM Manager, searching by game title.
  • Remove any numbers preceding the game title in the ROM filename, as this can interfere with artwork detection.
  • Manually upload missing artwork via Desktop Mode, saving images to the Pictures folder and then using the "Upload" function in Steam ROM Manager.

Playing Your Games

  1. Switch to Gaming Mode.
  2. Access your Game Gear games via Steam Library > Collections.
  3. Select a game and play.

Improve Performance: In the Quick Access Menu (QAM), go to Performance, enable "Use per-game profile," and increase the Frame Limit to 60 FPS.

Installing Decky Loader and Power Tools

For enhanced performance, install Decky Loader:

  1. Switch to Desktop Mode.
  2. Download Decky Loader from its GitHub page and perform a Recommended Install.
  3. Restart your Steam Deck.

Install Power Tools plugin through the Decky Loader store. Configure Power Tools (via QAM) by disabling SMTs, setting Threads to 4, enabling Manual GPU Clock Control (setting frequency to 1200), and enabling Per Game Profile.

Fixing Decky Loader After a Steam Deck Update

If a Steam Deck update removes Decky Loader, reinstall it from GitHub using the "Execute" option (not "Open") to preserve your settings. You'll need your sudo password.

Enjoy your Game Gear games on your Steam Deck!

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