Known for offering DRM-free versions of classic arcade games, GOG is an excellent source for the Metal Slug series.
A revised version of Metal Slug 7 , offering crisp upscaled visuals and Leona Heidern as a playable character. System Requirements for PC metal slug collection pc link
How to install and link the game on PC
The largest digital store, Steam offers almost every main title in the Metal Slug franchise, including the Metal Slug Anthology equivalent and individual titles. Known for offering DRM-free versions of classic arcade
Later arcade entries introducing new mechanics like the slide move and new vehicle types. metal slug collection pc link