How Do I Put Dreamcast Games on My SD Card?

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By Eric Wilson

If you’re a fan of classic video games, you may be interested in playing Dreamcast games on your modern device. One way to do this is by putting Dreamcast games on an SD card. Here’s how to do it:

Step 1: Obtain an SD Card Reader
To transfer Dreamcast games onto your SD card, you’ll need an SD card reader that can connect to your computer. You can purchase one online or at a local electronics store.

Step 2: Download a Dreamcast Game
Next, you’ll need to download the Dreamcast game file (also known as ROMs) that you want to play. There are various websites where you can find these files, but be careful when downloading from unknown sources.

Note: Downloading copyrighted material such as ROMs is illegal in many countries.

Step 3: Extract the Game File
Once you’ve downloaded the game file, use a program like WinRAR or 7-Zip to extract the contents of the ZIP file. You should now have a file with the “.cdi” extension.

Formatting Your SD Card

Before proceeding further, it’s important to format your SD card correctly. Here’s how:

Step 1: Insert Your SD Card into Your Computer’s Card Reader
Insert your SD card into your computer’s card reader.

Step 2: Open “Disk Management”
Open “Disk Management” on your computer by searching for it in the Start menu.

Step 3: Right-Click Your SD Card and Select “Format”
Right-click on your SD card and select “Format”.

Step 4: Choose “FAT32” as Your File System and Click “OK”
Choose “FAT32” as your file system and click “OK”. This will erase all data on the SD card, so make sure to back up any important files before formatting.

Transferring Dreamcast Games onto Your SD Card

Step 1: Create a Folder on Your SD Card
Create a folder on your SD card where you’ll store all of your Dreamcast game files. You can name this folder anything you’d like.

Step 2: Copy the Game File onto Your SD Card
Copy the “.cdi” game file onto your SD card by dragging and dropping it into the folder you just created.

Step 3: Insert Your SD Card into Your Device
Insert your SD card into the device you want to play Dreamcast games on. This could be a Raspberry Pi, a laptop, or even an Android smartphone.

Step 4: Use an Emulator to Play Your Game
To play your Dreamcast game, you’ll need to use an emulator. There are various emulators available online, such as Redream and Demul. Simply open the emulator and select the game file from your SD card to start playing.


Putting Dreamcast games on an SD card is a great way to revisit classic games from this iconic console. By following these steps, you can easily transfer game files onto your SD card and start playing them on your preferred device using an emulator. Just remember to only download ROMs from reputable sources and always check local laws regarding downloading copyrighted material.