New York has lost four in a row and in the last two games of this series gave up 28 runs and 38 hits.
Atkins had four of Colorado's 20 hits and drove in five runs. The Rockies scored in all but the first and eighth innings, and overcame an early 3-0 deficit.
Josh Fogg (4-6) survived six innings to get the win. He allowed four runs on eight hits. Orlando Hernandez (4-4) gave up five runs on six hits in four innings.
Brad Hawpe hit a two-run homer in the second to bring Colorado within 3-2 and the six-run outburst in the fifth gave the Rockies a 12-4 lead.