These games are abandonware . Konami no longer sells or supports them digitally on modern storefronts like Steam or GOG.
The magic of this collection is that If you have all three installed, the cards you earn in Yugi and Kaiba’s versions become playable in Joey’s version, allowing you to build the ultimate deck. How to Download Yu-Gi-Oh! Power of Chaos yugioh power of chaos collection pc download install
If you don’t have the .reg file, manually create one with the following content, adjusting the path to match where you placed your folder: These games are abandonware
To avoid crashes and black screens on Windows 10/11: yugioh power of chaos collection pc download install