[路線図付き] 首都圏新都市鉄道 つくばエクスプレス 駅名穴埋めクイズ

Try to name the 10 most populous urban areas in each of these historical years.

15 random U.S. States have been shaded on a map. Can you name them all?

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

Evil aliens have decided to kill everyone on Earth! Fortunately, they've given you two minutes to save as many as you can. All you have to do is name a country to save everyone in it.