Stephen Curry added 29 points and five 3s on a night Harden dazzled for long stretches with 32 points, nine assists and seven rebounds while backcourt mate Chris Paul sat out sidelined by a strained right hamstring.
A dynamic, star-studded series projected to be as captivating and compelling as the actual NBA Finals is going the distance. Game 7 is Monday night back in Houston.
Tickets for Game 7 are on sale at the Rockets' website.
The Associated Press contributed to this report.