video games: What's the first video game ever to contain an "Easter Egg"??

Questions

The smallest island with country status is ---------- in Polynesia, at just 1.75 square miles (4.53 sq km).?

Strangeray Springs cattle station in ----------------- is the largest ranch in the world. It's area, 30,029 square kilometers, and is only slightly smaller than the European country of Belgium.?

The smallest U.S. state in area, west of the Mississippi River, is -------------?

--------- is the largest country in Africa. It has a population greater than 28,100,000.?

The ------------ is actually a desert environment, averaging about the same amount of monthly rainfall as the Sahara Desert.?