"DirectX 6.1 SDK was the software development kit used by Probe Entertainment to build Re-Volt's realistic graphics. Image:DirectX Logo.gif The SDK is rather hard to find. It was mirrored at RRR Racing Forum, and a few other download locations, which unfortunately are currently unavailable. This article is a stub. You can help Re-Volt the Wiki by expanding it."@en . . "Directx61SDK"@en . . . "DirectX 6.1 SDK was the software development kit used by Probe Entertainment to build Re-Volt's realistic graphics. Image:DirectX Logo.gif The SDK is rather hard to find. It was mirrored at RRR Racing Forum, and a few other download locations, which unfortunately are currently unavailable. This article is a stub. You can help Re-Volt the Wiki by expanding it."@en . .