| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,820 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,653 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 118,011 |
| Independence from Whom | 0 | - | 4.99 | 210,259 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,142 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,151 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,407 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,408 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,588 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,326 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,319 |
| Recently Independent Countries | 0 | - | 4.98 | 158,252 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,949 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,833 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,550 |
| Countries by Former Name | 0 | - | 4.99 | 124,574 |
| Historical City to Country | 0 | - | 4.84 | 78,260 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,144 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,642 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,575 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,466 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,831 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,725 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,969 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,452 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,086,493 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,027 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,336 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,103 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,071 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,783 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,809 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,990 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,597 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,827 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,767 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,326 |
| Battle to Country | 0 | - | 4.91 | 52,749 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,080 |
| Landlocked Countries | 0 | - | 4.99 | 415,698 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,305 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,578 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,080 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,345 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,598 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,110 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,092 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,975 |
| Island Countries | 0 | - | 4.99 | 708,462 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,445 |
| Himalayan Countries | 0 | - | 4.95 | 136,096 |
| Andean Countries | 0 | - | 4.95 | 83,231 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,550 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,719 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,236 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,876 |
| Danube Countries | 0 | - | 4.97 | 71,291 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,050 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,746 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,944 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,887 |
| European Landlocked Countries | 0 | - | 4.99 | 146,001 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,591 |
| Countries with the Most Species | 0 | - | 4.99 | 95,367 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,721 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,451 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,982 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,089 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,739 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,111 |
| Countries in the Alps | 0 | - | 4.86 | 117,169 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,797 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,665 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,178 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,622 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,425 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,172 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,108 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,853 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,919 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,720 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,244 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,289 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,158 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,647 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,910 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,920 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,539 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,820 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,364 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,094 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,462 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,307 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,749 |
| Largest Countries By Category | 0 | - | 4.97 | 157,096 |
| Countries by Countries | 0 | - | 4.96 | 62,476 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,015 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,398 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,736 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,044 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,244 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,712 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,994 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,917 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,186 |
| Northernmost Countries | 0 | - | 4.99 | 358,889 |
| Countries of South America | 0 | - | 5.00 | 918,355 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,943 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,549 |
| "Land" Countries | 0 | - | 4.98 | 334,183 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,017 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,878 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,400 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,472 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,505 |
| Countries by Independence Day | 0 | - | 4.61 | 52,653 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,725 |
| Former Countries by Capital | 0 | - | 4.45 | 127,196 |
| Countries in World War I | 0 | - | 4.88 | 227,049 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,887 |
| Former Countries | 0 | - | 4.75 | 132,895 |
| Hindu Countries | 0 | - | 4.86 | 49,753 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,520 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,038 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,962 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,552 |
| Political Movements by Country | 0 | - | 4.46 | 72,352 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,136 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 105,116 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,764 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,809,648 |
| One Border Countries | 0 | - | 4.98 | 465,925 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,880 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,599,028 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,001 |
| Countries with Megacities | 0 | - | 4.99 | 248,417 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,898 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,406 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,283 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,347 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,160 |
| Countries by Official Language | 0 | - | 4.95 | 193,413 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,942 |
| Countries in their Native Language | 0 | - | 4.99 | 197,178 |
| Subdivisions by Country | 0 | - | 4.86 | 50,157 |
| National Founders | 0 | - | 4.40 | 83,708 |
| Megadiverse Countries | 0 | - | 4.96 | 134,484 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,092,592 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,357 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,033 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,623 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,566 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,923 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,924 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,476 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,319 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,790 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,002 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,536 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,643 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,610 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,815 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,139 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,234 |
| World Map Quiz | 0 | - | 4.81 | 63,881 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,885 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,628 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,857 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,570 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,290 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,454 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,157 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,356 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,543 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,100 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,563 |
| Widest Countries East to West | 0 | - | 4.92 | 129,060 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,298 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,540 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,666 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,892 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,877 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,268 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,872 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,746 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,652 |
| Countries of Africa | 0 | - | 5.00 | 2,516,944 |
| Countries with Double Letters | 0 | - | 4.96 | 93,757 |
| Countries that End in N | 0 | - | 4.94 | 157,194 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,126 |
| Countries with Six Letters | 0 | - | 4.93 | 210,785 |
| Countries with W | 0 | - | 4.97 | 158,469 |
| Countries with Z | 0 | - | 4.98 | 288,335 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,816 |
| Countries That End in U | 0 | - | 4.95 | 119,636 |
| Countries with Four Letters | 0 | - | 4.99 | 419,788 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,941 |
| Countries that End in O | 0 | - | 4.92 | 158,677 |
| Countries that End in R | 0 | - | 4.87 | 118,396 |
