| Communist Countries in History | 0 | - | 4.63 | 495,021 |
| Countries in World War I | 0 | - | 4.88 | 227,859 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,742 |
| Battle to Country | 0 | - | 4.91 | 53,172 |
| Independence from Whom | 0 | - | 4.99 | 211,342 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,729 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,388 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,992 |
| Countries by Founding Story | 0 | - | 4.95 | 77,078 |
| Recently Independent Countries | 0 | - | 4.98 | 159,034 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,609 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,795 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,430 |
| Countries by Former Name | 0 | - | 4.99 | 124,933 |
| Historical City to Country | 0 | - | 4.84 | 78,444 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,341,935 |
| Countries in World War II | 0 | - | 4.54 | 911,104 |
| Political Movements by Country | 0 | - | 4.46 | 72,472 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,416 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,121 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,097 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,525 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,169 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,452 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,093 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,293 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,840 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,451 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,919 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,838 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,500 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,494 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,603 |
| Landlocked Countries | 0 | - | 4.99 | 419,068 |
| National Founders | 0 | - | 4.40 | 83,797 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,139 |
| Orthodox Countries | 0 | - | 4.92 | 131,354 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,684 |
| Monarchies of Europe | 0 | - | 4.90 | 97,983 |
| Monarchies of Asia | 0 | - | 4.97 | 70,994 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,786 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,466 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,507 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,771 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,061 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,404 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 132,426 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,983 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,301,932 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,956 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,824 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,870 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,094 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,636 |
| Countries by Independence Day | 0 | - | 4.61 | 52,714 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,164 |
| Island Countries | 0 | - | 4.99 | 709,809 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,033 |
| Himalayan Countries | 0 | - | 4.94 | 137,473 |
| Andean Countries | 0 | - | 4.95 | 83,962 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,241 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,694 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,851 |
| Former Countries by Capital | 0 | - | 4.45 | 127,372 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,366 |
| Danube Countries | 0 | - | 4.97 | 71,674 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,566 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,066 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,672 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,749 |
| European Landlocked Countries | 0 | - | 4.99 | 146,789 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,147 |
| Countries with the Most Species | 0 | - | 4.99 | 102,923 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,284 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,435 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,592 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,313 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,999 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,372 |
| Countries in the Alps | 0 | - | 4.87 | 117,706 |
| Former Countries | 0 | - | 4.75 | 133,571 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,146 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,386 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,428 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,003 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,111 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,667 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,450 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,293 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,198 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,974 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,560 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,487 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,937 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,195 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,217 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,211 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,070 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,579 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,536 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,439 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,252 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,009 |
| Largest Countries By Category | 0 | - | 4.97 | 157,658 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,890 |
| Countries by Countries | 0 | - | 4.96 | 62,848 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,922 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,574 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,229 |
| 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 | 125,602 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,332 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,153 |
| Northernmost Countries | 0 | - | 4.99 | 360,527 |
| Countries of South America | 0 | - | 5.00 | 923,045 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,209 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,671 |
| "Land" Countries | 0 | - | 4.98 | 335,821 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,558 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,139 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,502 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,159 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,723 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,449 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,778 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,057 |
| Countries with Megacities | 0 | - | 4.99 | 260,588 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,923 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,016 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,198 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,021 |
| Countries by Official Language | 0 | - | 4.95 | 194,654 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,560 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,213 |
| Countries in their Native Language | 0 | - | 4.99 | 198,208 |
| Subdivisions by Country | 0 | - | 4.86 | 50,290 |
| Megadiverse Countries | 0 | - | 4.96 | 134,775 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,559 |
| 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 | 75,019 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,720 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,847 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,491 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,994 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,014 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,724 |
| Hindu Countries | 0 | - | 4.86 | 50,021 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,998 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,785 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,160 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,329 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,224 |
| World Map Quiz | 0 | - | 4.81 | 64,543 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,656 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,041 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,517 |
| Countries by Road Signs | 0 | - | 4.98 | 53,661 |
| Countries in an Egg of the World Map | 0 | - | 4.91 | 64,307 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,546,321 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,183 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,796 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,524 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,936 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,652 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,352 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,525 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,678 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,837 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,268 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,294 |
| Widest Countries East to West | 0 | - | 4.92 | 129,385 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,386 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,968 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,995 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,516 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,228 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,560 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,238 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,729 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,586 |
| Countries with Double Letters | 0 | - | 4.97 | 95,114 |
| Countries that End in N | 0 | - | 4.95 | 170,027 |
| Countries with Five Letters | 0 | - | 4.96 | 280,331 |
| Countries with Six Letters | 0 | - | 4.94 | 212,506 |
| Countries with W | 0 | - | 4.97 | 159,530 |
| Countries with Z | 0 | - | 4.98 | 289,830 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,762 |
| Countries That End in U | 0 | - | 4.95 | 120,420 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,767 |
| Countries that End in O | 0 | - | 4.92 | 159,203 |
| Countries that End in R | 0 | - | 4.87 | 118,738 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,517 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,350 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,122 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,093 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,676 |
| Countries That End in Y | 0 | - | 4.90 | 185,651 |
