| Countries with the Most Catholics | 0 | - | 4.90 | 109,026 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,719 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,820 |
| Orthodox Countries | 0 | - | 4.92 | 131,229 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,410 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,866 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 45,247 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,398 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,783 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,991 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,632 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,304,696 |
| Landlocked Countries | 0 | - | 4.99 | 418,414 |
| Buddhist Countries | 0 | - | 4.96 | 143,668 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,216 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,719 |
| Himalayan Countries | 0 | - | 4.94 | 137,193 |
| Andean Countries | 0 | - | 4.95 | 83,804 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,047 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,455 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,741 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,274 |
| Danube Countries | 0 | - | 4.97 | 71,602 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,468 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,001 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,553 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,618 |
| European Landlocked Countries | 0 | - | 4.99 | 146,713 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,048 |
| Countries with the Most Species | 0 | - | 4.99 | 102,855 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,188 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,410 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,566 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,270 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,942 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,320 |
| Countries in the Alps | 0 | - | 4.87 | 117,612 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,084 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,272 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,377 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,930 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,037 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,409 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,218 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,141 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,936 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,511 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,449 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,309 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,885 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,159 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,174 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,084 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,028 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,543 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,462 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,132 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,113 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,960 |
| Largest Countries By Category | 0 | - | 4.97 | 157,558 |
| Countries by Countries | 0 | - | 4.96 | 62,793 |
| Battle to Country | 0 | - | 4.91 | 53,114 |
| Monarchies of Europe | 0 | - | 4.90 | 97,926 |
| Monarchies of Asia | 0 | - | 4.97 | 70,957 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,139 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,147 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,463 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,281 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,761 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,096 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,600 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,482 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,878 |
| Island Countries | 0 | - | 4.99 | 709,565 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,768 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,600 |
| Northernmost Countries | 0 | - | 4.99 | 360,272 |
| Countries of South America | 0 | - | 5.00 | 922,357 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,282 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,121 |
| "Land" Countries | 0 | - | 4.98 | 335,694 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,793 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,238 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 128,548 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,845 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,848 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,751 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,804 |
| Biblical Geography | 0 | - | 4.40 | 67,141 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,692 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,574 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,873 |
| Countries with Megacities | 0 | - | 4.99 | 256,111 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,740 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,908 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,041 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,909 |
| Countries by Official Language | 0 | - | 4.95 | 194,566 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,434 |
| Countries in their Native Language | 0 | - | 4.99 | 198,111 |
| Independence from Whom | 0 | - | 4.99 | 211,219 |
| Subdivisions by Country | 0 | - | 4.86 | 50,271 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,628 |
| Megadiverse Countries | 0 | - | 4.96 | 134,739 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,460 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,160 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,726 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,005 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,664 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,349 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,906 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,815 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,969 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,865 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,690 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,960 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,753 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,115 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,304 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,071 |
| World Map Quiz | 0 | - | 4.81 | 64,439 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,392 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,987 |
| Countries by Founding Story | 0 | - | 4.95 | 77,029 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,418 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,885 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,593 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,228 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,477 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,644 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,791 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,241 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,250 |
| Widest Countries East to West | 0 | - | 4.92 | 129,329 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,375 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,908 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,982 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,485 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,168 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,508 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,219 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,719 |
| Countries with Double Letters | 0 | - | 4.97 | 95,021 |
| Countries that End in N | 0 | - | 4.95 | 169,841 |
| Countries with Five Letters | 0 | - | 4.96 | 279,683 |
| Countries with Six Letters | 0 | - | 4.94 | 212,394 |
| Countries with W | 0 | - | 4.97 | 159,480 |
| Countries with Z | 0 | - | 4.98 | 289,717 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,671 |
| Countries That End in U | 0 | - | 4.95 | 120,383 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,693 |
| Countries that End in O | 0 | - | 4.92 | 159,172 |
| Countries that End in R | 0 | - | 4.87 | 118,719 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,494 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,244 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,063 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,053 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,639 |
| Countries That End in Y | 0 | - | 4.90 | 185,631 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,176 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,370 |
| Countries that End in I | 0 | - | 4.94 | 134,842 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,028 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,554 |
| Countries That End in NIA | 0 | - | 4.92 | 109,491 |
| Countries That End in BIA | 0 | - | 4.93 | 148,806 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,670 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,016 |
| Countries That End in RIA | 0 | - | 4.93 | 126,506 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,592 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,581 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,167 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,512 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,063 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,292 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,646 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,197 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,081 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,176 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,782 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,490 |
| Countries that End in L | 0 | - | 4.94 | 156,519 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,844 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,145 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,815 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,690 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,743 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,700 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,100 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,573 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,058 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,553 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,548 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,936 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,584 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,639 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,821,073 |
| One Border Countries | 0 | - | 4.98 | 467,463 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,085 |
