The fastest ‘rollover’ of a videogame score is 6 min 21 sec, achieved by Nicholas Wietlisbach (USA) who broke the seven-digit score limit on Nintendo Campus Challenge 1991 with a final score of 10,354,000 on 25 November 2009.

Source: TG via http://www.twingalaxies.com/index.aspx?c=22&pi=23&gi=8830&vi=105103