| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,990 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,332,556 |
| Landlocked Countries | 0 | - | 4.99 | 418,912 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,453 |
| Countries by Emojis | 0 | - | 4.99 | 238,721 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,723 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,377 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,717 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,625 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,736 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,984 |
| Himalayan Countries | 0 | - | 4.94 | 137,418 |
| Andean Countries | 0 | - | 4.95 | 83,932 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,227 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,646 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,831 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,348 |
| Danube Countries | 0 | - | 4.97 | 71,662 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,547 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,054 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,647 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,729 |
| European Landlocked Countries | 0 | - | 4.99 | 146,778 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,138 |
| Countries with the Most Species | 0 | - | 4.99 | 102,906 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,263 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,432 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,587 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,301 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,991 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,361 |
| Countries in the Alps | 0 | - | 4.87 | 117,684 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,130 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,361 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,419 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,979 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,091 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,550 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,283 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,185 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,969 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,550 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,477 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,337 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,922 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,187 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,205 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,180 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,061 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,571 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,529 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,362 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,227 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,996 |
| Largest Countries By Category | 0 | - | 4.97 | 157,635 |
| Countries by Countries | 0 | - | 4.96 | 62,834 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,209 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,159 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,466 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,320 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,973 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,598 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,088 |
| Island Countries | 0 | - | 4.99 | 709,742 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,023 |
| Northernmost Countries | 0 | - | 4.99 | 360,456 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,282 |
| Mountains by Country | 0 | - | 4.56 | 81,731 |
| Countries of South America | 0 | - | 5.00 | 922,886 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,938 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,272 |
| "Land" Countries | 0 | - | 4.98 | 335,786 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,073 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,949 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,639 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,303 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,640 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,497 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,083 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,015 |
| Countries with Megacities | 0 | - | 4.99 | 259,775 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,886 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,989 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,166 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,998 |
| Countries by Official Language | 0 | - | 4.95 | 194,641 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,525 |
| Countries in their Native Language | 0 | - | 4.99 | 198,183 |
| Independence from Whom | 0 | - | 4.99 | 211,306 |
| Subdivisions by Country | 0 | - | 4.86 | 50,287 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,697 |
| Megadiverse Countries | 0 | - | 4.96 | 134,765 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,539 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,182 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,754 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,018 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,710 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,380 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,972 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,844 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,486 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,988 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,960 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,714 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,993 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,774 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,150 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,326 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,190 |
| World Map Quiz | 0 | - | 4.81 | 64,518 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,464 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,589 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,030 |
| Countries by Founding Story | 0 | - | 4.95 | 77,060 |
| Countries by Road Signs | 0 | - | 4.98 | 53,651 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,501 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,927 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,636 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,317 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,519 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,670 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,825 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,259 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,284 |
| Widest Countries East to West | 0 | - | 4.92 | 129,373 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,381 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,957 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,991 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,509 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,221 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,545 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,232 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,725 |
| Companies by Country | 0 | - | 4.61 | 119,481 |
| Inventions by Country #1 | 0 | - | 4.47 | 54,998 |
| Airlines by Country | 0 | - | 4.52 | 135,246 |
| Countries with Double Letters | 0 | - | 4.97 | 95,087 |
| Countries that End in N | 0 | - | 4.95 | 169,990 |
| Countries with Five Letters | 0 | - | 4.96 | 280,202 |
| Countries with Six Letters | 0 | - | 4.94 | 212,482 |
| Countries with W | 0 | - | 4.97 | 159,519 |
| Countries with Z | 0 | - | 4.98 | 289,796 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,742 |
| Countries That End in U | 0 | - | 4.95 | 120,412 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,752 |
| Countries that End in O | 0 | - | 4.92 | 159,192 |
| Countries that End in R | 0 | - | 4.87 | 118,734 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,511 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,329 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,104 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,078 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,661 |
| Countries That End in Y | 0 | - | 4.90 | 185,647 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,224 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,418 |
| Countries that End in I | 0 | - | 4.94 | 134,867 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,075 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,577 |
| Countries That End in NIA | 0 | - | 4.92 | 109,515 |
| Countries That End in BIA | 0 | - | 4.93 | 148,842 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,712 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,056 |
| Countries That End in RIA | 0 | - | 4.93 | 126,536 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,622 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,698 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,225 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,584 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,109 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,320 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,684 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,241 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,121 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,193 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,824 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,531 |
| Countries that End in L | 0 | - | 4.94 | 156,541 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,006 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,153 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,836 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,724 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,782 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,777 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,166 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,620 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,125 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,614 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,584 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,955 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,599 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,665 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,047 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,791 |
| Name a Valid African Country | 0 | - | 4.98 | 153,791 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,231 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,727 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,349 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,822,539 |
| One Border Countries | 0 | - | 4.98 | 467,677 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,943 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,801 |
