When you want to stream and record 3DS gameplay with high quality, capture card is a recommended method. You need to purchase a capture card and install it on the 3DS game console. There is 3DS viewer software on the capture card that stream gameplay to your PC.

In order to capture high quality videos, add facecam and microphone, or even further edit the gameplay videos, Vidmore Screen Recorder is professional 3DS gameplay recorder to capture videos from 3DS with a customized size and the original video quality.

Step 1: Install the capture card to the 3DS game console. You can connect the 3DS to your computer with a mini USB port to stream the 3DS gameplay video. Just preview the gameplay of 3DS with the default 3DS viewer software to make sure a high video quality.

Step 2: Download and install the 3DS gameplay recorder, you can launch the program on your computer. Go to the Recording preset to choose the desired video format, video quality, audio format, audio quality and even set up the task schedule recording.

Step 3: Choose the Video Recorder option and customize the recording screen for the 3DS gameplay. When you need to add the facecam, you can also turn on the Webcam menu. Moreover, you can set up the Microphone and System Sound for the gameplay.

Step 4: After that, you can click the REC button to record 3DS gameplay on your computer. You can start the gameplay on your 3DS game console. It will record the videos on your computer automatically. Moreover, you can also draw on the video or add marks for the recorded video.

How to Capture 3DS Gameplay with a Digital Camera： https://www.vidmore.com/record-game/record-3ds-gameplay/