Sam spends more time at the poker table than elsewhere, leading to the question of how he manages to finance his gambling if he spends so little time at work. Perhaps, he is so lucky and skilled at poker, that he makes more money at the table than on the clock.
Sometimes a Chinese female character can be seen sitting outside the Sam Wah Laundry. This could be Sam's wife, or a customer waiting for her laundry to be done.
During the 1800s, there was a Sam Wah Laundry in Colorado City, Colorado. It bore a strong resemblance to the one in-game.
Like most Chinese characters in the game, Sam Wah speaks in the Cantonese dialect of Chinese, hinting at his place of origin in Guangdong province.
There are two possible explanation for the name Sam Wah. First one is, Sam Wah tried to assimilate himself to the local society by giving himself a western given name, which is Sam, while "Wah" (華) is a surname. The other explanation is that Sam Wah probably means "沈華". the word "沈" (Sam) is a fairly common surname in China, while the word "華" (Wah) means magnificent or splendid.