| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,477 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,302 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,110 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,421 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,487 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,614 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,884 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,312 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,521 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,875 |
| Random Countries by Borders | 0 | - | 4.99 | 82,890 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,201 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,734 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,915 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,716 |
| Random Country to Capital | 0 | - | 4.98 | 925,799 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,651 |
| Countries with Four Letters | 0 | - | 4.99 | 425,009 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,412 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,799 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,287 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,129 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,462 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,760,933 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,665 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,078 |
| Country Chain | 0 | - | 4.96 | 218,121 |
| Countries by Emojis | 0 | - | 4.99 | 241,339 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,403 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,938 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,031 |
| Islands by Country #1 | 0 | - | 4.90 | 176,086 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,083 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,408 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,276 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,359 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,106 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,429 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,470 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,381 |
| Name a Valid Country #6 | 0 | - | 4.95 | 142,931 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,276 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,461 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 738,282 |
| Landlocked Countries | 0 | - | 4.99 | 424,201 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,530 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,031 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,534 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,574 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,518 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,993 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,778 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,382 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,215 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,510 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,632 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,594 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,316 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,709 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,089 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,874 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,440 |
| Name a Valid Island Country | 0 | - | 4.97 | 126,176 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,720 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,223 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,761 |
| Island Countries | 0 | - | 4.99 | 711,945 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,506 |
| Himalayan Countries | 0 | - | 4.94 | 139,663 |
| Andean Countries | 0 | - | 4.94 | 85,129 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,315 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,556 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,885 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,169 |
| Danube Countries | 0 | - | 4.97 | 72,247 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,377 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,677 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,793 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,283 |
| European Landlocked Countries | 0 | - | 4.99 | 147,424 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,035 |
| Countries with the Most Species | 0 | - | 4.99 | 103,452 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,172 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,698 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,809 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,723 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,451 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,874 |
| Countries in the Alps | 0 | - | 4.87 | 118,535 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,205 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,538 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,839 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,848 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,774 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,962 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,703 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,326 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,040 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,779 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,644 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,420 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,662 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,747 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,443 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,495 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,433 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,445 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,088 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,763 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,408 |
| Largest Countries By Category | 0 | - | 4.97 | 158,597 |
| Countries by Countries | 0 | - | 4.96 | 63,475 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,016 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,050 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,358 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,636 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,239 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,951 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,943 |
| Northernmost Countries | 0 | - | 4.99 | 363,282 |
| Countries of South America | 0 | - | 5.00 | 930,488 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,887 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,570 |
| "Land" Countries | 0 | - | 4.98 | 337,990 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,840 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,896 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,674 |
| Countries with Megacities | 0 | - | 4.99 | 266,180 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,409 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,839 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,693 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,958 |
| Countries by Official Language | 0 | - | 4.95 | 195,733 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,234 |
| Countries in their Native Language | 0 | - | 4.99 | 199,498 |
| Independence from Whom | 0 | - | 4.99 | 212,685 |
| Subdivisions by Country | 0 | - | 4.87 | 50,550 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,166 |
| Megadiverse Countries | 0 | - | 4.96 | 135,174 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,692 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,469 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,367 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,172 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,411 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,730 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,849 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,488 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,765 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,217 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,143 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,289 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,359 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,077 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,044 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,497 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,615 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,945 |
| World Map Quiz | 0 | - | 4.81 | 65,410 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,468 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,554 |
| Countries by Founding Story | 0 | - | 4.95 | 77,633 |
| Countries by Road Signs | 0 | - | 4.98 | 54,235 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,930 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,881 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,403 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,142 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,258 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,381 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,576 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,608 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,823 |
| Widest Countries East to West | 0 | - | 4.92 | 130,281 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,552 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,072 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,452 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,961 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,837 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,334 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,459 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,860 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,597 |
| Countries with Double Letters | 0 | - | 4.96 | 96,757 |
| Countries that End in N | 0 | - | 4.95 | 171,647 |
| Countries with Five Letters | 0 | - | 4.96 | 283,336 |
| Countries with Six Letters | 0 | - | 4.94 | 214,100 |
| Countries with W | 0 | - | 4.96 | 160,711 |
| Countries with Z | 0 | - | 4.98 | 292,067 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,064 |
| Countries That End in U | 0 | - | 4.95 | 121,058 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,865 |
| Countries that End in O | 0 | - | 4.92 | 159,705 |
| Countries that End in R | 0 | - | 4.87 | 119,098 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,847 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,540 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,976 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,693 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,613 |
| Countries That End in Y | 0 | - | 4.91 | 186,015 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,247 |
