Visit All Countries: move to bordering or jump to almost bordering country - start in Zimbabwe
Start in Zimbabwe. Out of its bordering countries choose the LAST in alphabetical order whose name comes BEFORE Zimbabwe. Keep doing this following these rules: - if there's no bordering country whose name comes before in alphabetical order, choose the last one in alphabetical order - if there's no bordering country, try again with countries bordering bordering countries, etc
Country Transits Distance: number of land borders you have to cross to reach a country (moving between different parts of the same country, eg going from France to French Guiana to St Martin does not count as a move)
You are shown the first letter of each country as a hint
The following 'uncertain' borders are considered in this quiz: India-Sri Lanka and Qatar-UAE
'Unreachable' countries are excluded (most of island countries)