No. Video games do **not** use ISBN (International Standard Book Number). ISBN is for **books, e-books, audiobooks, and print publications**.
| Code | Name | Use | Example |
|---|---|---|---|
| UPC | Universal Product Code | North American retail barcode (12-digit) | 047875845327 (Mario Kart 8 Deluxe) |
| EAN | European Article Number | International retail barcode (13-digit) | 5060327531234 |
| JAN | Japanese Article Number | Japan retail (EAN-13 prefix 45/49) | 4902370543210 |
| SKU | Stock Keeping Unit | Retailer-specific inventory code | GS-NSW-MK8D (GameStop) |
| Platform ID | Title ID / Content ID | Digital store identifier | CUSA-12345 (PS4), 000100000011C (Switch), 9NBLGGH4V3JH (Xbox) |
| ESRB / PEGI / CERO / USK Rating ID | Rating Board Code | Regulatory classification | ESRB-44211 |
| IGDB / Giant Bomb / MobyGames ID | Database Primary Key | API / cataloging | igdb:12345 |
If you need a unique ID for a game: Use Platform Title ID (Steam AppID, PSN Content ID, Xbox PFN, Nintendo Title ID) or UPC/EAN for physical.