Modern digital storefronts like Steam and GOG do not require manual serial entry. Your purchase is automatically tied to your account "key" upon checkout.
For older retail copies, the serial number is typically printed on a white sticker on the back of the DVD case or inside the manual. metal slug collection pc serial number
The location of your "Metal Slug Collection PC serial number" varies by the type of purchase: Modern digital storefronts like Steam and GOG do
The Japanese " Metal Slug Complete " (PC/PS2) often uses the serial code SLPS-25762 to identify the software version in databases. Understanding the Metal Slug PC Collection The location of your "Metal Slug Collection PC
The (often referred to as Metal Slug Anthology or Metal Slug Complete PC ) is a comprehensive package of the series' most iconic titles.
Typically features Metal Slug 1, 2, X, 3, 4, 5, and 6 .