Japanese video games group Sega has offered to buy Angry Birds maker Rovio, valuing the Finnish company at over $770 million, the companies said Monday. "Combining the strengths of Rovio and Sega presents an incredibly exciting future," Alexandre Pelletier-Normand, CEO of Rovio, said in a statement, which added that Rovio was recommending shareholders to accept the offer. The offer, which represents a 19% premium over Rovio's closing share price on Friday, is part of the Sonic the Hedgehog maker's "long-term goal" of expanding into the mobile gaming market, Sega CEO Haruki Satomi said. "Among the rapidly growing global gaming market, the mobile gaming market has especially high potential," he added. In 2022, Rovio, which employs over 500 people, saw a revenue of $350 million, and an adjusted net profit of…