OK, it’s a great question about your geographic literacy. And ability to spell, of course. I mean, anyone can get France, but what about Zimbabwe? Either way, that is the test at this site that challenges users to enter the names of as many countries as they can. No cheating! Ten minutes is actually a fairly long period of time, but you will almost certainly hit a wall about five or six minutes into it. A tip: start from A and proceed alphabetically. There are 192 member states in the UN…
Myself, I got 72 without using google or the encyclopedia.