Answer – Atari
Thursday – This company had game consoles with a 2600 and a 5200 in their names.
Wednesday – Al Alcorn was their first design engineer.
Tuesday – In 1972 this company presented Pong as an arcade game and by 1974 there was a home version.
Monday – This company’s name is a term in the game “go” which means a state where a stone or group of stones is imminently in danger of being taken by one’s opponent.