According to UK ChartTrack sales data, Rockstar’s Grand Theft Auto IV has set the record for the fastest-selling video game in a span of 24 hours, amassing sales of 609,000 units on day one.

A total of 335,000 GTA IV copies were sold on the Xbox 360 alone. By comparison, Microsoft pushed 266,000 Halo 3 units at launch in the UK.

Sales of GTA IV on the PlayStation 3, as expected, were lower — but not by much. The PS3 version shifted 274,000 copies, taking in nearly 45 percent of total sales for the title.

Will be interesting to see how PS3 to 360 sales compare in the states, considering that SCEA did not release a hardware bundle package here.

GTA IV smashes day one sales record [MCV]

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Read more: NPD November: 360 Sales Catapult, Black Ops Dominates,  GTA IV Shatters Weekly UK Sales Records, Outsells WiiFit 9:1,  April NPD: GTA IV Breaks Records, Nintendo Leads Hardware Sales,  March NPD: Nintendomination Continues, Industry Sales Fall 17 Percent Over Last Year,  July NPD: Industry Sales Remain Sluggish, Wii Sports Resort Leads Software Sales