Because Konami has abandoned the Power of Chaos series, your safest legal bet is to find an from a reputable abandonware archive. Here are the current best sources (as of 2026):
The game requires legacy DirectX components. The setup usually prompts you, but if it doesn’t, download the official DirectX 9.0c runtime from Microsoft. Setup Exe Yugioh Kaiba The Revenge
Check "Run this program in compatibility mode for" and select Windows XP (Service Pack 3). Check "Run this program as an administrator." Apply the changes and launch the installer. Because Konami has abandoned the Power of Chaos
, the second installment in Konami's Power of Chaos trilogy released for PC in 2004 . Check "Run this program in compatibility mode for"
Run setup.exe to install the core game files. On modern systems (Windows 10/11), it is highly recommended to Run as Administrator to avoid "save game" errors where the game fails to write progress to the disk .
to prevent permission issues during installation and when saving progress. Language Selection