For any gamer whose been desperate to get their copy then you'd better hope you did the patriotic thing and order a regionally domestic copy.

It's up to the developer or publisher to region lock their creations, looks like R* was a tad wary of early sellers on either side of the Atlantic pond.

This means that no NA disc will work with their EU counterpart and vice-versa, PAL and NTSC's relationship has always been a rocky one. No news yet whether the PS3 version has followed suit though.

Rockstar's Table Tennis didn't have a regional lock but the tuned has changed with Niko Bellic's arrival. A little ironic really considering the Easter European immigrant goes to live, work and play in the States.

Click here for the official Grand Theft Auto IV website.