| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,848 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,242 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,627,043 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,102,947 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,742 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,710 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,046 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,010 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,805 |
| Random Countries by Borders | 0 | - | 4.99 | 82,514 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,210 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,620 |
| Random Country to Capital | 0 | - | 4.98 | 921,323 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,125 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 165,993 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,597 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,629 |
| Countries with Four Letters | 0 | - | 4.99 | 422,830 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,745 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,551 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,508,080 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,542 |
| Landlocked Countries | 0 | - | 4.99 | 421,073 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,756 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,972 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,581 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,826 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,918 |
| Country Chain | 0 | - | 4.96 | 217,204 |
| Countries by Emojis | 0 | - | 4.99 | 239,976 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,004 |
| Islands by Country #1 | 0 | - | 4.88 | 175,355 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,576 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,942 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,763 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,771,862 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,239 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,373 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,966 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,822 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,212 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,609 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,438 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,794 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,747 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,015 |
| Himalayan Countries | 0 | - | 4.95 | 138,331 |
| Andean Countries | 0 | - | 4.93 | 84,384 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,607 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,520 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,235 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,641 |
| Danube Countries | 0 | - | 4.97 | 71,905 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,883 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,310 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,107 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,579 |
| European Landlocked Countries | 0 | - | 4.99 | 147,039 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,469 |
| Countries with the Most Species | 0 | - | 4.99 | 103,154 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,621 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,535 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,678 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,024 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,261 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,475 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,155 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,563 |
| Countries in the Alps | 0 | - | 4.87 | 118,051 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,398 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,847 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,583 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,511 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,392 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,875 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,549 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,408 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,117 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,755 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,588 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,451 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,123 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,390 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,422 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,675 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,219 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,181 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,729 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,892 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,487 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,834 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,148 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,800 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,521 |
| Largest Countries By Category | 0 | - | 4.97 | 158,030 |
| Countries by Countries | 0 | - | 4.96 | 63,088 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,786 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,261 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,303 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,258 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,349 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,552 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,948 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,240 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,531 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,884 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,807 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,571 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,132 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,016 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,793 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,251 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,646 |
| Island Countries | 0 | - | 4.99 | 710,675 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,255 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,663 |
| Northernmost Countries | 0 | - | 4.99 | 361,539 |
| Countries of South America | 0 | - | 5.00 | 925,931 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,161 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,056 |
| "Land" Countries | 0 | - | 4.98 | 337,027 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,416 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,554 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,687 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,582 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,644 |
| Countries with Megacities | 0 | - | 4.99 | 263,917 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,494 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,337 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,770 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,393 |
| Countries by Official Language | 0 | - | 4.95 | 195,056 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,123 |
| Countries in their Native Language | 0 | - | 4.99 | 198,615 |
| Independence from Whom | 0 | - | 4.99 | 211,870 |
| Subdivisions by Country | 0 | - | 4.86 | 50,386 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,565 |
| Megadiverse Countries | 0 | - | 4.96 | 134,933 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,920 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,296 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,872 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,076 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,996 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,538 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,337 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,978 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,594 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,480 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,824 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,133 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,911 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,825 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,296 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,440 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,896 |
| World Map Quiz | 0 | - | 4.81 | 64,962 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,737 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,261 |
| Countries by Founding Story | 0 | - | 4.95 | 77,285 |
| Countries by Road Signs | 0 | - | 4.98 | 53,888 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,904 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,165 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,888 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,951 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,806 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,925 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,221 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,392 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,503 |
| Widest Countries East to West | 0 | - | 4.92 | 129,564 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,429 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,267 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,087 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,696 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,476 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,763 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,333 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,780 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,827 |
| Countries with Double Letters | 0 | - | 4.96 | 95,961 |
| Countries that End in N | 0 | - | 4.95 | 170,866 |
| Countries with Five Letters | 0 | - | 4.96 | 281,988 |
| Countries with Six Letters | 0 | - | 4.94 | 213,279 |
| Countries with W | 0 | - | 4.97 | 160,129 |
| Countries with Z | 0 | - | 4.98 | 291,155 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,485 |
| Countries That End in U | 0 | - | 4.95 | 120,737 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,255 |
| Countries that End in O | 0 | - | 4.92 | 159,430 |
| Countries that End in R | 0 | - | 4.87 | 118,900 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,668 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,855 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,554 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,379 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,287 |
| Countries That End in Y | 0 | - | 4.91 | 185,807 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,747 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,730 |
| Countries that End in I | 0 | - | 4.94 | 135,030 |
