| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,747 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,626,190 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,102,631 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,693 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,012 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,701 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,539 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,940 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,503 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,735 |
| Random Countries by Borders | 0 | - | 4.99 | 82,495 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,173 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,401 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,538 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,362 |
| Random Country to Capital | 0 | - | 4.98 | 921,137 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,056 |
| Countries with Four Letters | 0 | - | 4.99 | 422,743 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,922 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,530 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,588 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,295 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,697 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,495,232 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,792 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,797 |
| Country Chain | 0 | - | 4.96 | 217,171 |
| Countries by Emojis | 0 | - | 4.99 | 239,911 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,985 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,733 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,888 |
| Islands by Country #1 | 0 | - | 4.88 | 175,337 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,569 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,924 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,755 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,191 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,224 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,909 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,775 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,158 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,551 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,394 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,753 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,371 |
| Landlocked Countries | 0 | - | 4.99 | 420,936 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,770,674 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,484 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,994 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,239 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,164 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,781 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,508 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,120 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,759 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,241 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,249 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,196 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,309 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,913 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,817 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,760 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,127 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,992 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,659 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,183 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,535 |
| Island Countries | 0 | - | 4.99 | 710,597 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,964 |
| Himalayan Countries | 0 | - | 4.95 | 138,274 |
| Andean Countries | 0 | - | 4.95 | 84,353 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,578 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,481 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,198 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,614 |
| Danube Countries | 0 | - | 4.97 | 71,886 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,859 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,282 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,077 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,540 |
| European Landlocked Countries | 0 | - | 4.99 | 147,019 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,449 |
| Countries with the Most Species | 0 | - | 4.99 | 103,135 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,588 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,530 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,672 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,465 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,146 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,548 |
| Countries in the Alps | 0 | - | 4.87 | 118,026 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,208 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,810 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,571 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,498 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,368 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,866 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,530 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,389 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,105 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,733 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,581 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,439 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,109 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,378 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,407 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,647 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,206 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,718 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,871 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,405 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,799 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,138 |
| Largest Countries By Category | 0 | - | 4.97 | 158,001 |
| Countries by Countries | 0 | - | 4.96 | 63,071 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,888 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,526 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,234 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,528 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,865 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,557 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,468 |
| Northernmost Countries | 0 | - | 4.99 | 361,456 |
| Countries of South America | 0 | - | 5.00 | 925,706 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,867 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,873,411 |
| "Land" Countries | 0 | - | 4.98 | 336,944 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,418 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,499 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,607 |
| Countries with Megacities | 0 | - | 4.99 | 263,790 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,455 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,317 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,721 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,362 |
| Countries by Official Language | 0 | - | 4.95 | 195,023 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,082 |
| Countries in their Native Language | 0 | - | 4.99 | 198,531 |
| Independence from Whom | 0 | - | 4.99 | 211,827 |
| Subdivisions by Country | 0 | - | 4.86 | 50,381 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,395 |
| Megadiverse Countries | 0 | - | 4.96 | 134,919 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,887 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,285 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,866 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,072 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,975 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,514 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,301 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,966 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,590 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,048 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,446 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,812 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,126 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,903 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,817 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,281 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,434 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,848 |
| World Map Quiz | 0 | - | 4.81 | 64,936 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,640 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,237 |
| Countries by Founding Story | 0 | - | 4.95 | 77,265 |
| Countries by Road Signs | 0 | - | 4.98 | 53,873 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,874 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,147 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,872 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,905 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,781 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,913 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,210 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,385 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,486 |
| Widest Countries East to West | 0 | - | 4.92 | 129,555 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,424 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,239 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,078 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,675 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,460 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,745 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,330 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,775 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,785 |
| Countries with Double Letters | 0 | - | 4.97 | 95,884 |
| Countries that End in N | 0 | - | 4.95 | 170,804 |
| Countries with Five Letters | 0 | - | 4.96 | 281,905 |
| Countries with Six Letters | 0 | - | 4.94 | 213,229 |
| Countries with W | 0 | - | 4.97 | 160,082 |
| Countries with Z | 0 | - | 4.98 | 291,079 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,438 |
| Countries That End in U | 0 | - | 4.95 | 120,709 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,211 |
| Countries that End in O | 0 | - | 4.92 | 159,413 |
| Countries that End in R | 0 | - | 4.87 | 118,883 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,653 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,819 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,498 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,346 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,157 |
| Countries That End in Y | 0 | - | 4.91 | 185,797 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,696 |
