Colin Campbell:

Leading arcade companies like Atari were investing in more sophisticated and expensive machines, but research convinced them that consumers would not pay more than a quarter to play. The solution was to create games in which more players played and paid together. “Gauntlet was the answer,” said Saucier. “You had four people playing at once, which was a dollar for a couple of minutes instead of 25 cents.”

One of the only times I can remember where (wanted) function begat form in a winning way. Gauntlet was brilliant.