Alchemy worked very well for me with the Titanium HD. When I used the X-Fi HD USB and the Recon3D cards with settings identical to those of the Titanium HD, a few games crashed or simply did not work. Alchemy works best for restoring hardware acceleration. When it is used with a non-EMU chipset like those used on the Recon and Z cards, it will hang or just be plain incompatible. Its only software-emulation, like the ASUS cards. Just giving you a heads up.