| Communist Countries in History | 0 | - | 4.63 | 495,027 |
| Countries in World War I | 0 | - | 4.88 | 227,862 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,743 |
| Battle to Country | 0 | - | 4.91 | 53,174 |
| Independence from Whom | 0 | - | 4.99 | 211,346 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,732 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,389 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,995 |
| Countries by Founding Story | 0 | - | 4.95 | 77,080 |
| Recently Independent Countries | 0 | - | 4.98 | 159,035 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,611 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,797 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,435 |
| Countries by Former Name | 0 | - | 4.99 | 124,935 |
| Historical City to Country | 0 | - | 4.84 | 78,444 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,342,978 |
| Countries in World War II | 0 | - | 4.54 | 911,117 |
| Political Movements by Country | 0 | - | 4.46 | 72,473 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,419 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,123 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,099 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,530 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,170 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,453 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,095 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,294 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,841 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,453 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,921 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,840 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,506 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,496 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,603 |
| Landlocked Countries | 0 | - | 4.99 | 419,085 |
| National Founders | 0 | - | 4.40 | 83,797 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,145 |
| Orthodox Countries | 0 | - | 4.92 | 131,356 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,685 |
| Monarchies of Europe | 0 | - | 4.90 | 97,985 |
| Monarchies of Asia | 0 | - | 4.97 | 70,997 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,788 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,554 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,511 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,775 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,066 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,408 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 132,514 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,986 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,302,212 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,964 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,825 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,874 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,100 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,638 |
| Countries by Independence Day | 0 | - | 4.61 | 52,714 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,173 |
| Island Countries | 0 | - | 4.99 | 709,813 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,039 |
| Himalayan Countries | 0 | - | 4.94 | 137,481 |
| Andean Countries | 0 | - | 4.95 | 83,968 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,244 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,700 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,853 |
| Former Countries by Capital | 0 | - | 4.45 | 127,372 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,366 |
| Danube Countries | 0 | - | 4.97 | 71,678 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,574 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,067 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,676 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,751 |
| European Landlocked Countries | 0 | - | 4.99 | 146,791 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,154 |
| Countries with the Most Species | 0 | - | 4.99 | 102,923 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,287 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,594 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,315 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,000 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,373 |
| Countries in the Alps | 0 | - | 4.87 | 117,706 |
| Former Countries | 0 | - | 4.75 | 133,593 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,149 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,387 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,429 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,006 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,112 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,674 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,451 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,296 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,198 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,975 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,561 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,489 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,942 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,198 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,217 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,212 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,072 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,580 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,538 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,446 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,256 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,010 |
| Largest Countries By Category | 0 | - | 4.97 | 157,660 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,894 |
| Countries by Countries | 0 | - | 4.96 | 62,851 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,963 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,574 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,230 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,166 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,475 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,605 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,335 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,173 |
| Northernmost Countries | 0 | - | 4.99 | 360,532 |
| Countries of South America | 0 | - | 5.00 | 923,063 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,250 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,728 |
| "Land" Countries | 0 | - | 4.98 | 335,823 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,564 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,144 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,504 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,160 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,724 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,472 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,782 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,065 |
| Countries with Megacities | 0 | - | 4.99 | 260,661 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,926 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,016 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,200 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,024 |
| Countries by Official Language | 0 | - | 4.95 | 194,655 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,567 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,214 |
| Countries in their Native Language | 0 | - | 4.99 | 198,209 |
| Subdivisions by Country | 0 | - | 4.86 | 50,292 |
| Megadiverse Countries | 0 | - | 4.96 | 134,777 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,560 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,188 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,760 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,020 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,723 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,849 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,491 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,996 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,017 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,724 |
| Hindu Countries | 0 | - | 4.86 | 50,022 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,001 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,786 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,161 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,330 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,227 |
| World Map Quiz | 0 | - | 4.81 | 64,546 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,663 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,046 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,520 |
| Countries by Road Signs | 0 | - | 4.98 | 53,663 |
| Countries in an Egg of the World Map | 0 | - | 4.91 | 64,308 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,546,352 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,184 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,797 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,529 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,936 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,653 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,356 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,527 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,679 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,838 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,269 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,295 |
| Widest Countries East to West | 0 | - | 4.92 | 129,386 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,386 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,969 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,996 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,517 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,231 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,562 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,239 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,729 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,587 |
| Countries with Double Letters | 0 | - | 4.97 | 95,115 |
| Countries that End in N | 0 | - | 4.95 | 170,033 |
| Countries with Five Letters | 0 | - | 4.96 | 280,350 |
| Countries with Six Letters | 0 | - | 4.94 | 212,511 |
| Countries with W | 0 | - | 4.97 | 159,531 |
| Countries with Z | 0 | - | 4.98 | 289,833 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,763 |
| Countries That End in U | 0 | - | 4.95 | 120,420 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,770 |
| Countries that End in O | 0 | - | 4.92 | 159,204 |
| Countries that End in R | 0 | - | 4.87 | 118,739 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,517 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,354 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,123 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,094 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,677 |
| Countries That End in Y | 0 | - | 4.90 | 185,652 |
