March 10 is Mario Day, therefore tomorrow is a huge day for gamers! Fans celebrate the day by playing some of the greatest adventures of the most well-known video game character and the other games he inspired. As the most well-known character in all of video games, he has propelled the genre to astounding highs.Every year on March 10th, Mario devotees of all ages commemorate Mario Day. That's because "M.A.R. 10," the date, resembles the name Mario!