Each country release has a specific initial catalogue number, this way you can easily identify where it has been published.
Read this article for more information.
Take a look at this table:
| Europe | 8100000 | Scandinavia (Sweden) | 8170000 |
| England | 8110000 | Belgium | 8180000 |
| France | 8120000 | Worldwide | 8190000 |
| Germany | 8130000 | USA | 6900000-0 |
| The Netherlands | 8140000 | USA for Europe | 6990000-0 |
| Italy | 8150000 | Japan | PCIM/X-00000 |
| Iberica (Portugal/Spain) | 8160000 |
Here is the most accurate list of all European (8100000) CD-i titles ever published by Philips Media, still being updated.
Europe 1 – Europe 2 – Europe 3 – Europe 4 – Europe 5 – Europe 6 – Europe 7 – Europe 8
Europe 9 – Europe 10 – Europe 11 – Europe 12 – Europe 13 – Europe 14 – Europe 15