A different clue for Bahrain would be good. There are a lot of countries with no border. It'd take far too much time to start going through all the island nations.
This quiz was inspired by the pencil-and-paper game Battleship which requires some skill and some luck to win. I thought it would be fun to do a Jetpunk quiz that has a chance element as well to it!
Only missed 'Bahrain', perhaps some sort of hint for the 'no border' one could be given (eg closest country).
Don't know if this is deliberate or not, but sometimes the bordering countries are in alphabetical order, sometimes they're not