Sega and Gearbox's ropey shooter Aliens: Colonial Marines is top of the UK video games chart.

It's the biggest release of the year so far, according to UK data cruncher GfK Chart-Track, which means it's bigger than Dead Space 3.

Colonial Marines enjoyed the second strongest opening week of sales of any Aliens video game. The champion is Rebellion's Aliens vs. Predator from 2010.

Last week's leader Dead Space 3 is barged to second place.

FIFA 13 is third, Black Ops 2 fourth, Far Cry 3 fifth, Assassin's Creed 3 sixth, Need for Speed: Most Wanted seventh, Just Dance 4 eighth, Sonic & All-Stars Racing Transformed ninth and Halo 4 10th.

Ni No Kuni's time in the limelight appears to be over as it falls to 25th.

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