In an interview with Britain's ITV News, Mugabe lashed out at Blair for his pursual of sanctions and said he had "no regrets" from his 33-year tenure as president.
When asked what was the root of Zimbabwe's recent economic chaos, which resulted in inflation of 79.6 million percent per month in 2008, he replied: "Really condemnation by us of Britain and mainly of the government of Mr Blair.
"He's the one who caused it," added the veteran leader yesterday.
He told Blair to "go to hell" in 2002 after the then British leader endorsed the opposition before elections, and accused Britain of poking its "pink noses in our business".
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Mugabe yesterday vowed to step down if he loses the fiercely-contested election, as his rivals charged they had concrete evidence of vote rigging.
In response, the president told ITV News that rigging was "a foreign word."
"We have never, ever rigged an election," he insisted.
"I don't have regrets at all."
He faces a major challenge from Prime Minister Morgan Tsvangirai, his reluctant partner in an uneasy power-sharing government forged after the last bloody polls in 2008.