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Steam Deck: How To Run Sega Game Gear Games

Author : Stella Jan 20,2025

Unleash Your Inner Gamer: Playing Game Gear Games on Your Steam Deck

The Sega Game Gear, a pioneering handheld console, now lives on your Steam Deck thanks to EmuDeck. This guide provides a comprehensive walkthrough, ensuring a smooth and optimized gaming experience. We'll cover everything from initial setup to advanced performance tweaks.

Before You Begin:

Preparation is key! Follow these pre-installation steps:

  • Enable Developer Mode: Navigate to Steam > System > System Settings > Enable Developer Mode. Then, within the Developer menu (Miscellaneous), enable CEF Remote Debugging. Restart your Steam Deck.
  • Essential Tools: An external microSD card (A2 recommended) or external HDD is crucial for storing ROMs and emulators, preserving your internal SSD space. A keyboard and mouse significantly simplify file transfers and artwork management. Remember to legally acquire your Game Gear ROMs.

Installing EmuDeck:

Let's get EmuDeck up and running:

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

Quick EmuDeck Settings:

Within EmuDeck, 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:

Get your games ready to play:

  • Transfer ROMs: Use Dolphin File Manager (in Desktop Mode) to transfer your Game Gear ROMs to /Emulation/ROMs/gamegear.
  • Steam ROM Manager: Launch EmuDeck, open Steam ROM Manager, and follow the on-screen prompts. Select the Game Gear icon, add your games, and parse them. Ensure artwork is correctly assigned before saving to Steam.

Troubleshooting Missing Artwork:

If artwork is missing or incorrect:

  • Use the "Fix" function in Steam ROM Manager, searching by game title.
  • Remove any numbers preceding game titles in the ROM filenames, as this can interfere with artwork detection.
  • Manually upload missing artwork by saving images to the Steam Deck's Pictures folder and then using the "Upload" feature in Steam ROM Manager.

Playing Your Games:

Time to play!

  1. Switch back to Gaming Mode.
  2. Access your Game Gear games through the Steam Library's Collections tab.
  3. Select your game and click "Play."

Optimizing Performance:

Game Gear games often benefit from performance adjustments:

  • Access the Quick Access Menu (QAM – three dots below the right trackpad).
  • Go to Performance > Use per-game profile.
  • Increase the Frame Limit to 60 FPS.

Enhance Performance with Decky Loader and Power Tools:

For peak performance, install Decky Loader and the Power Tools plugin:

  1. In Desktop Mode, download Decky Loader from its GitHub page and install using the recommended method.
  2. In Gaming Mode, access the Decky Loader store via the QAM and install the Power Tools plugin.
  3. Within Power Tools, disable SMTs, set Threads to 4, and adjust GPU clock frequency as needed (e.g., 1200 MHz). Enable "Per Game Profile" for individual game settings.

Restoring Decky Loader After a Steam Deck Update:

SteamOS updates can sometimes remove Decky Loader. Here's how to restore it:

  1. Switch to Desktop Mode.
  2. Download Decky Loader again, selecting "Execute" (not "Open").
  3. Enter your sudo password.
  4. Restart your Steam Deck.

Enjoy your enhanced Game Gear experience on your Steam Deck!