The link was dead. But the comments weren't.
Since Metal Slug 7 is natively a DS game, this method offers 100% compatibility and flawless performance on PC hardware.
His thumb hovered over the "A" button.
Then he turned off his monitor, listened to the silence of his apartment, and went to sleep dreaming of pixel-art explosions and unlimited continues.
Since there is no arcade ROM, you must use the Nintendo DS emulator (DeSmuME or melonDS). Look for .nds files rather than .zip arcade sets. metal slug 7 rom mame recalbox pc 2021
Here is a breakdown of how that setup worked, the technical realities of 2021, and the common misconceptions regarding the "MAME" aspect of the request.
If you are mapping Metal Slug 7 to an arcade control panel or a standard USB controller on your PC, configure these settings for an authentic arcade experience: The link was dead
Download the latest Recalbox PC x86_64 image from the official Recalbox website. Insert your USB flash drive into your PC.