Gibson Dunn & Crutcher and Skadden Arps Slate Meagher & Flom have won lead advisory roles on the merger of computer games giants Vivendi and Activision.

The $18.9bn (£9.2bn) deal will see the makers of best-selling computer games including James Bond and World of Warcraft come together to form the world’s largest video games publisher ahead of market rival Electronic Arts.