Solo dev behind roguelike hit Balatro expected to sell maybe 10 copies and go back to their IT job - but they went on to sell one million copies instead GamesRadar+

The double zero was added to the American roulette wheel in the mid-19th century. The exact year is not clear but it is believed to have been added around the 1860s. The reason for its addition was to increase the house edge making the game more profitable for the casino.

Because it scores all cards played certain cards can be upgraded with Hiker that normally would not be due to the hand. This dual combo can act as a strong chip provider for High Card and Pair builds as one can focus on playing the same cards again and again to continuously upgrade them without caring about rank.

The Eudaemons – In the 1970s a group of physics students at the University of California Santa Cruz used a computer to predict the outcomes of roulette games in Nevada casinos. They called themselves “The Eudaemons” and made significant profits before their operation was shut down.