Thousands of games console users have taken to social media sites to vent their frustration over the hacking of Microsoft's Xbox and Sony's PlayStation online services on Christmas Day.
Twitter accounts using the name Lizard Squad have claimed responsibility for the hack.
Still can't get on PSN, thanks lizard squad! ?
I seriously hate lizard squad
Hey Lizard Squad. I hope something passes from your backsides that science cannot identify. Punks.
Sony has said its PlayStation network is back online after services were shut down following a cyber-attack.Read the full story ›
PlayStation have described the response to the release of their next generation console as "phenomenal" ahead of its midnight release in the UK.
Fans have camped overnight for the release of the PS4 which is set to battle it out with the recently released Xbox one for superiority.
"The response to the PS4 has been phenomenal and we are so grateful for the support and enthusiasm we have seen from gamers who have pre-ordered, as well as those who have shown such dedication in the queue," the managing director of PlayStation, Fergal Gara, said.
"This is a launch PlayStation fans have been really looking forward to; the excitement is plain to see and the countdown is now well and truly on."
One of the UK's leading games retailers says it is expecting to be sell hundreds of PlayStation 4 consoles a minute when it is officially released at midnight tonight.
GAME also revealed that demand for the PS4 is four times higher than it was for its predecessor the PS3.
Excited gaming fans have been queuing ahead of its release tonight, with many camping overnight in a bid to be one of the first to get their hands on the much-anticipated console.
Ian Chambers, GAME chief digital officer, said: "Demand has been phenomenal with pre-order levels four times higher than we saw for PS3.
"We expect to be shifting hundreds of consoles a minute when we open 300 stores tonight at midnight - this really is the start of something special."
Excited gamers are continuing to queue ahead of the release of the eagerly anticipated PlayStation 4 console.
A selection of dedicated fans even camped overnight before queues began to build up outside the launch venue in London's Covent Garden earlier today.
The PlayStation 4 officially goes on sale in the UK on Friday, but Sony has said customers who pre-ordered the machine could collect them from GAME stores a day early.
The next generation console will go head to head with Microsoft's Xbox One which launched last week.
To coincide with the launch of the new Playstation 4 games console in the United States, Naughty Dog has announced a new instalment of the Uncharted series exclusively for the PS4.
Writing on the PlayStation blog, Naughty Dog's Arne Meyer said:
"Our goal is to continue what we've done in previous console generations and once again deliver the best in storytelling, performance capture, technical innovation and graphics on the PS4".
Sony's highly anticipated next generation Playstation 4 (PS4) games console has gone on sale in the United States.
Thousands of gamers braved the cold to queue overnight at outlets across the country to get their hands on the coveted console from 5am local time.
On Thursday, the famous symbols of the console's controller -a circle, cross, square and triangle - replaced the lettering on London's OXO tower.
The PS4 will launch in the UK on November 29, priced at £349.
Skype has been investigating the technology to make 3D video calls but will continue testing before deciding whether to launch the service.
"We have it in the lab, we know how to make it work," Microsoft's corporate vice-president for Skype, Mark Gillett, told the BBC. "But the capture devices are not yet there."
Mr Gillett suggested the arrival of 3D calls in homes and businesses could take several years.
He also said the 1080p "super high definition" video call resolution that Skype is bringing to Microsoft's Xbox One video games console could possibly been supplied to the Sony's Playstation 4 in future.
Sony has revealed when the Playstation 4 will be available to buy in Britain:
A handpicked group of retailers, gamers and journalists interacted with floating robots on the PlayRoom, an augmented-reality game.Read the full story ›