Go retro 1970s, when you wear this fun, classic, amusement park games t-shirt. The 1970s were a time when fun was still a thing, and people had the best sense of humor. While, seemingly, a little generic on the surface, this classic amusement park games, games, games, games t-shirt is the perfect shirt for anyone who's looking to put together a DIY 1970s dude Halloween costume.