1. Maid Cafe
Japanese maid cafes have been quite popular since you can have a unique experience. When you enter a cafe, some cute girls wearing maid outfits welcome you saying "Welcome home Master!". You can enjoy conversation, take a photo with them while eating cute food.
2. Gundam Cafe
Another interesting concept cafe is Gundam cafe. Some of you probably know Gundam because it is one of the most popular anime series which have been translated into several languages. The anime features robot warriors and you can see them up-close at the cafe. They also offer some dishes inspired by the world of Gundam.
3. Anime & Manga
You know, Akihabara is the mecca for otaku (people obsessed with particular things, often anime, manga). There are many stores selling millions of anime DVDs and manga. You will literally be surrounded by them, which will be an exciting and interesting experience.
4. Anime Goods
You should also buy some anime goods if you have a favorite anime. There are a wide variety of goods such as dolls, posters, stationaries, and more. They also have some second-hand shops which have rare old goods no longer available today.
Actually, Akihabara used to be famous for the cheap electronics. Today you still find many electronics shops from small to big, where various kinds of cool and high-quality electronics are sold. You can choose the best one that fits your need from a wide selection of goods.
Playing at an arcade is always fun. You can play games, trying purikura (photo booth), and get a prize from the "UFO catchers" with a few coins! There are a lot of The UFO catchers lining up at arcades in Japan. It is simply a crane machine game and the prize varies from stuffed animals to snacks.
7. Japanese food
Don't forget to try a delicious meal here. Akihabara has many restaurants with great reviews! There are especially a lot of famous ramen shops, so make sure not to miss if you are a ramen lover. Craving for sushi? You can have fresh sushi at both fancy restaurants and casual "kaiten sushi" (conveyor belt sushi) too!
You won't be disappointed by the unique town of Tokyo, Akihabara! Give it a go!