Updated story: Driveclub has been updated with a buggy from Motorstorm on April Fools' Day.
The free downloadable pack - available now on the PlayStation Store - challenges people to "drive like a fool" and "go crazy".
Earlier this week, it was rumoured that other downloadable content introducing more Motorstorm vehicles in the 'Lunatics Expansion Pack' would be released.
Original story: Driveclub is expected to add iconic vehicles from the Motorstorm series in a future update.
Video footage of the Wombat Typhoon buggies tearing up tracks in the Sony racer has appeared on AllGamesBeta.
Our Driveclub review: A simple and straightforward stunner
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The five-minute gameplay clip was leaked alongside details of a new Driveclub add-on called the 'Lunatics Expansion Pack'.
Sony has not officially confirmed that Motorstorm buggies will be playable in the social racer, but previously teased them in screenshots via its Japanese blog.
Driveclub suffered a shaky launch on PS4, but developer Evolution Studios has released regular updates to address the problems.
However, the free PS Plus edition of the game has been delayed until further notice while Evolution fixes server issues.
