The Nuggets faced a 19-point deficit with 10:10 left in the third quarter before rallying behind Nikola Jokic and Jamal Murray to force a decisive Game 7. Jokic recorded 34 points, 14 rebounds and seven assists, while Murray had 21 points, five rebounds and five assists.
The Nuggets are trying to become the first team in NBA history to rally from a pair of 3-1 deficits in the same postseason. Denver did so against the Utah Jazz in the first round of the playoffs.
Gary Harris notched 16 points for the Nuggets. Rookie forward Michael Porter Jr. scored 13 points and reserve guard Monte Morris had 10.
Lou Williams had 14 points off the bench for the Clippers, who are now 0-7 in games where they could clinch a spot in the conference finals. JaMychal Green scored 11 points in 20 minutes.
Game 7 of the series is set for Tuesday night.