It's the first time a novelty act has had two consecutive Christmas number ones.
Critics say the announcement was "cynically timed", but Boris Johnson defends the decision.
In development since 2012 Star Citizen wants to build an entire universe for game players.
The star's fifth album is named the year's best record by critics - but who else made the top 20?
The YouTube star beats Stormzy and Wham! to top the UK's Christmas chart for the second time.
The network says the almost 6,000 "state-backed" accounts attempted to manipulate the platform.
It comes during the British actor's first visit to the country where his late father grew up.
The ride-sharing app could be banned in Germany if it does not make changes to its processes.
The social network has been criticised for putting two-step authentication details to other uses.
But "a long way to go" to make it available across UK, says one analyst.