The base game had ~240 cards. The MOD adds over 700 new cards, including:
Includes expanded card sets not found in the original 2004 release. Yu-Gi-Oh- Power of Chaos - Joey-s World -MOD- -PC- RePack
If you are looking to get this running perfectly on your setup, tell me: What are you currently using? The base game had ~240 cards
With the RePack's unlocker, you can experiment with niche archetypes that the original 2004 release couldn't support. Technical Requirements Yu-Gi-Oh- Power of Chaos - Joey-s World -MOD- -PC- RePack