| Countries with the Most Christians | 0 | - | 4.91 | 133,379 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 81,029 |
| Countries with the Most Catholics | 0 | - | 4.89 | 101,816 |
| Orthodox Countries | 0 | - | 4.91 | 125,179 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 105,661 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 37,688 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,392,172 |
| Majority Muslim Countries | 0 | - | 4.98 | 330,278 |
| Top Five Countries by Religion | 0 | - | 4.91 | 157,579 |
| African Countries with the Most Christians | 0 | - | 4.92 | 72,038 |
| Catholic Countries Quiz | 0 | - | 4.80 | 206,635 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 383,692 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,412,387 |
| Buddhist Countries | 0 | - | 4.96 | 137,214 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,480,985 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,993 |
| Himalayan Countries | 0 | - | 4.94 | 122,630 |
| Andean Countries | 0 | - | 4.93 | 68,944 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,878 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,382 |
| Coffee Producing Countries | 0 | - | 4.83 | 60,085 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,441 |
| Danube Countries | 0 | - | 4.97 | 60,934 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 97,001 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,981 |
| Countries with the Best Passports | 0 | - | 4.84 | 81,020 |
| Countries with the Worst Passports | 0 | - | 4.91 | 72,215 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,538 |
| European Landlocked Countries | 0 | - | 4.99 | 141,106 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,276 |
| Countries with the Most Species | 0 | - | 4.99 | 92,418 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,658 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,734 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,835 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,667 |
| Countries that Use the Peso | 0 | - | 4.89 | 56,446 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 70,008 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,758 |
| Countries in the Alps | 0 | - | 4.86 | 110,910 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,823 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,993 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,468 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,847 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,729 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,025 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 95,115 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,933 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,027 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,883 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,784 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,314 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,134 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,234 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,917 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,640 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 109,213 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,890 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,821 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,557 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,368 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,177 |
| Largest Countries By Category | 0 | - | 4.97 | 151,552 |
| Countries by Countries | 0 | - | 4.96 | 58,535 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,206 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,697 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,036 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,537 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,822 |
| Island Countries Quiz | 0 | - | 4.99 | 691,444 |
| Biggest Countries by Area | 0 | - | 5.00 | 990,837 |
| Northernmost Countries | 0 | - | 4.99 | 342,990 |
| Countries of South America | 0 | - | 5.00 | 864,364 |
| Countries of Oceania | 0 | - | 5.00 | 977,614 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,734,229 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,261,555 |
| Battle to Country | 0 | - | 4.91 | 49,025 |
| Monarchies of Europe | 0 | - | 4.89 | 93,346 |
| Monarchies of Asia | 0 | - | 4.96 | 68,213 |
| Countries with the Most Muslims | 0 | - | 4.94 | 153,714 |
| Catholic Countries in Europe | 0 | - | 4.83 | 90,046 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,423 |
| Countries with Megacities | 0 | - | 4.99 | 218,609 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 187,082 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,414 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,968 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,462 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,455 |
| Countries by Official Language | 0 | - | 4.95 | 184,368 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,477 |
| Countries in their Native Language | 0 | - | 4.98 | 189,101 |
| Independence from Whom | 0 | - | 4.99 | 200,165 |
| Subdivisions by Country | 0 | - | 4.85 | 48,578 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,965 |
| Megadiverse Countries | 0 | - | 4.96 | 130,583 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,406 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,038 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,363 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,674 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,551 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,990 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,382 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,608 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,453 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,839 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,942 |
| Countries Furthest from the United States | 0 | - | 4.95 | 86,043 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,294 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,238 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,741 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 190,360 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 116,409 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 108,831 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 87,283 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,506 |
| World Map Quiz | 0 | - | 4.88 | 57,869 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,645 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,875 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,862 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,891 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,746 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,598 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,628 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,711 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,725 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,451 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,734 |
| Widest Countries East to West | 0 | - | 4.92 | 124,882 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,224 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 180,432 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,521 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,401 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,567 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,484 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,076 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,605 |
| Countries with Double Letters | 0 | - | 4.97 | 83,005 |
| Countries that End in N | 0 | - | 4.94 | 146,793 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,845 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 201,166 |
| Countries with W | 0 | - | 4.97 | 150,328 |
| Countries with Z | 0 | - | 4.98 | 276,745 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,980 |
| Countries That End in U | 0 | - | 4.95 | 114,708 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 101,122 |
| Countries that End in O | 0 | - | 4.92 | 154,703 |
| Countries that End in R | 0 | - | 4.84 | 100,167 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,112 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,615 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,614 |
| Countries by Last Two Letters | 0 | - | 4.87 | 122,061 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,866 |
| Countries That End in Y | 0 | - | 4.91 | 182,303 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,582 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 128,101 |
| Countries that End in I | 0 | - | 4.92 | 117,587 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,693 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,363 |
| Countries That End in NIA | 0 | - | 4.92 | 105,284 |
| Countries That End in BIA | 0 | - | 4.92 | 142,947 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,500 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,987 |
| Countries That End in RIA | 0 | - | 4.89 | 105,635 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,133 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,824 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,537 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,441 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,277 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,377 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,812 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,346 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,241 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,440 |
| Countries with the Word "And" | 0 | - | 4.98 | 90,113 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 48,056 |
| Countries that End in L | 0 | - | 4.94 | 151,997 |
| "Land" Countries | 0 | - | 4.98 | 300,034 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,864 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,006 |
| City to Country Quiz #1 | 0 | - | 4.96 | 150,770 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,853 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,735 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 220,123 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 192,993 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 122,468 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 155,899 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 216,680 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 147,598 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,971 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 187,847 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 122,038 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,073 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 120,255 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,929 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,900 |
| Biblical Geography | 0 | - | 4.37 | 65,728 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,383,153 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 365,143 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,636,880 |
| One Border Countries | 0 | - | 4.98 | 445,579 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 97,294 |
