Now you can roll around Trevor, Michael and Franklin's world with your buddies.

A new mod for the PC version of Grand Theft Auto 5 allows you to experience the single-player campaign world with multiple players.

The mod by Guadmaz brings players into the campaign, so technically isn't a hack for GTA Online and shouldn't get you banned. Having said that, Rockstar is shit hot at taking down anything that threatens the online game, so be careful if you intend to give it a spin.

As with most mods there are gameplay issues and technical problems - lag and frame rate drops in particular.

Here's a video from Robotic Gamer which walks you through the basics and should give you an idea about whether you want to give it a go or not.