The term 'GAMES BIG NAME IN' is represented by two crossword solutions, Atari (5 letters) and Sega (4 letters). Atari is an American video game and home computer company founded in 1972. It was one of the first companies to produce video game consoles and is credited with popularizing the use of microprocessor-based hardware and games stored on ROM cartridges. Sega is a Japanese multinational video game developer and publisher founded in 1960. It is known for its arcade, home video game consoles, and PC software. Sega has also produced numerous franchises, including Sonic the Hedgehog, Virtua Fighter, and Total War.