The Planet of the Apes prequel, directed by Rupert Wyatt and starring James Franco and Andy Serkis, stunned film experts in America last week (ends07Aug11) when it debuted with takings of $54 million (£34 million).
And the ape epic is still swinging from the top of the chart, racking up another $27.5 million (£17.19 million) in ticket sales. Its 10-day total now stands at a healthy $104.9 million (£65.56 million).
New drama The Help, based on the bestselling novel by Kathryn Stockett, opened in second place with $25.5 million (£15.94 million).
Other new entries included horror sequel Final Destination 5 at three and Jesse Eisenberg's action comedy 30 Minutes or Less, which debuted at five.