| Countries with the Most Catholics | 0 | - | 4.90 | 110,354 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,591 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,051 |
| Orthodox Countries | 0 | - | 4.92 | 132,743 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,480 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,725 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,240 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,062 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,449 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,244 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,848,013 |
| Landlocked Countries | 0 | - | 4.99 | 425,304 |
| Buddhist Countries | 0 | - | 4.96 | 145,035 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,749 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,032 |
| Himalayan Countries | 0 | - | 4.93 | 140,053 |
| Andean Countries | 0 | - | 4.94 | 85,334 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,483 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,856 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,067 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,344 |
| Danube Countries | 0 | - | 4.97 | 72,332 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,515 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,779 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,013 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,518 |
| European Landlocked Countries | 0 | - | 4.99 | 147,554 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,218 |
| Countries with the Most Species | 0 | - | 4.99 | 103,530 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,342 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,755 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,858 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,803 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,532 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,972 |
| Countries in the Alps | 0 | - | 4.87 | 118,706 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,520 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,773 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,931 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,980 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,899 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,208 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,346 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,815 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,386 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,138 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,836 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,707 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,522 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,744 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,844 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,727 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,576 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,731 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,619 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,507 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,036 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,479 |
| Largest Countries By Category | 0 | - | 4.97 | 158,792 |
| Countries by Countries | 0 | - | 4.96 | 63,595 |
| Battle to Country | 0 | - | 4.91 | 53,918 |
| Monarchies of Europe | 0 | - | 4.90 | 98,815 |
| Monarchies of Asia | 0 | - | 4.97 | 71,478 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,208 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,384 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,655 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,062 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,266 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,125 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,080 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,554 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,472 |
| Island Countries | 0 | - | 4.99 | 712,397 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,634 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,286 |
| Northernmost Countries | 0 | - | 4.99 | 363,807 |
| Countries of South America | 0 | - | 5.00 | 932,069 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,588 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,887,888 |
| "Land" Countries | 0 | - | 4.98 | 338,301 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,624 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,289 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,135 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,800 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,826 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,749 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,720 |
| Biblical Geography | 0 | - | 4.40 | 67,338 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,535 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,354 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,030 |
| Countries with Megacities | 0 | - | 4.99 | 266,890 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,747 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,053 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,062 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,176 |
| Countries by Official Language | 0 | - | 4.95 | 195,930 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,531 |
| Countries in their Native Language | 0 | - | 4.99 | 199,672 |
| Independence from Whom | 0 | - | 4.99 | 212,980 |
| Subdivisions by Country | 0 | - | 4.87 | 50,598 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,375 |
| Megadiverse Countries | 0 | - | 4.96 | 135,257 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,884 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,518 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,507 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,217 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,655 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,822 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,059 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,551 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,883 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,248 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,451 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,354 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,210 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,424 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,130 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,561 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,738 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,248 |
| World Map Quiz | 0 | - | 4.81 | 65,635 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,039 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,678 |
| Countries by Founding Story | 0 | - | 4.95 | 77,768 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,175 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,022 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,518 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,460 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,393 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,493 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,693 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,665 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,595 |
| Widest Countries East to West | 0 | - | 4.92 | 130,413 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,586 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,204 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,501 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,032 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,943 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,436 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,487 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,886 |
| Countries with Double Letters | 0 | - | 4.96 | 96,997 |
| Countries that End in N | 0 | - | 4.95 | 171,869 |
| Countries with Five Letters | 0 | - | 4.96 | 283,660 |
| Countries with Six Letters | 0 | - | 4.94 | 214,393 |
| Countries with W | 0 | - | 4.96 | 160,893 |
| Countries with Z | 0 | - | 4.98 | 292,356 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,246 |
| Countries That End in U | 0 | - | 4.95 | 121,163 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,047 |
| Countries that End in O | 0 | - | 4.92 | 160,192 |
| Countries that End in R | 0 | - | 4.87 | 119,160 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,915 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,774 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,112 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,787 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,718 |
| Countries That End in Y | 0 | - | 4.91 | 186,076 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,410 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,240 |
| Countries that End in I | 0 | - | 4.94 | 135,299 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,570 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,035 |
| Countries That End in NIA | 0 | - | 4.92 | 110,029 |
| Countries That End in BIA | 0 | - | 4.93 | 149,554 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,490 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,748 |
| Countries That End in RIA | 0 | - | 4.93 | 127,034 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,359 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,517 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,136 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,574 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,139 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,788 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,303 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,529 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,872 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,639 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,684 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,373 |
| Countries that End in L | 0 | - | 4.94 | 157,094 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,856 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,338 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,431 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,938 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,412 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,360 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,102 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,410 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,215 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,924 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,182 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,227 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,814 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,213 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,847,287 |
| One Border Countries | 0 | - | 4.98 | 471,770 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,650,829 |
