The term Nintendo Alternative can be summarized by the crossword solution SEGA, which is a four letter word. Sega is a Japanese multinational video game developer and publisher that was founded in 1960. It is best known for its home video game consoles, such as the Sega Genesis, Dreamcast, and Game Gear. Sega has also produced a number of popular arcade games, including Sonic the Hedgehog and Virtua Fighter. Sega is often seen as a direct competitor to Nintendo, and is considered an alternative to Nintendo's products.