| Name a Valid European Country #1 | 0 | - | 4.99 | 264,908 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,853 |
| Name a Valid African Country | 0 | - | 4.98 | 155,126 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,974 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,234 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,655,995 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,942 |
| Independence from Whom | 0 | - | 4.99 | 213,224 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,559 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,889 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,182 |
| Countries by Founding Story | 0 | - | 4.95 | 77,855 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,124 |
| Recently Independent Countries | 0 | - | 4.98 | 160,414 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,056 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,900 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,288 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,159 |
| Countries by Former Name | 0 | - | 4.99 | 125,892 |
| Historical City to Country | 0 | - | 4.85 | 79,059 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,093 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,919,809 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,476 |
| Countries in World War I | 0 | - | 4.88 | 229,279 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,260 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,378 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,502 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,947 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,565 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,233 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,542 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,887 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,805 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,124 |
| Countries by Emojis | 0 | - | 4.99 | 242,623 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,640 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,705 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,585 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,644 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,792 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,932 |
| Landlocked Countries | 0 | - | 4.99 | 426,543 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,048 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,859 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,612 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,295 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,173 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,711 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,139 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,978 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,584 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,791 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,536 |
| Battle to Country | 0 | - | 4.91 | 54,028 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,582 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,335 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,448 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,698 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,878 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,923 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,046 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,052 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,428 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,491 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,799 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,969 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,332 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,904 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,438 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,848 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,995 |
| Island Countries | 0 | - | 4.99 | 712,758 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,546 |
| Himalayan Countries | 0 | - | 4.93 | 140,482 |
| Andean Countries | 0 | - | 4.94 | 85,618 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,749 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,215 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,314 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,546 |
| Danube Countries | 0 | - | 4.97 | 72,471 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,680 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,900 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,264 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,736 |
| European Landlocked Countries | 0 | - | 4.99 | 147,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,397 |
| Countries with the Most Species | 0 | - | 4.99 | 103,605 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,510 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,913 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,876 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,616 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,071 |
| Countries in the Alps | 0 | - | 4.87 | 118,858 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,792 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,992 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,011 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,091 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,038 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,320 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,470 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,925 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,464 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,235 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,914 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,782 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,612 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,001 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,849 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,949 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,988 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,658 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,567 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,744 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,952 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,307 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,551 |
| Largest Countries By Category | 0 | - | 4.97 | 158,950 |
| Countries by Countries | 0 | - | 4.96 | 63,709 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,264 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,089 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,797 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,332 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,154 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,426 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,689 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,172 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,470 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,153 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,368 |
| Northernmost Countries | 0 | - | 4.99 | 364,284 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,195 |
| Countries of South America | 0 | - | 5.00 | 933,400 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,397 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,968 |
| "Land" Countries | 0 | - | 4.98 | 338,544 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,599 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,888 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,061 |
| Countries by Independence Day | 0 | - | 4.62 | 52,866 |
| Countries in World War II | 0 | - | 4.53 | 919,446 |
| Former Countries by Capital | 0 | - | 4.45 | 127,849 |
| Former Countries | 0 | - | 4.77 | 134,266 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,061 |
| Political Movements by Country | 0 | - | 4.46 | 72,792 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,757 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,040 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,976 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,703 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,316 |
| Countries with Megacities | 0 | - | 4.99 | 267,455 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,984 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,227 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,312 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,332 |
| Countries by Official Language | 0 | - | 4.95 | 196,118 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,782 |
| Countries in their Native Language | 0 | - | 4.99 | 199,839 |
| Subdivisions by Country | 0 | - | 4.87 | 50,642 |
| Megadiverse Countries | 0 | - | 4.96 | 144,800 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,032 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,555 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,748 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,238 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,347 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,591 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,122 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,275 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,638 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,431 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,463 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,175 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,602 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,913 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,532 |
| World Map Quiz | 0 | - | 4.81 | 65,822 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,543 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,757 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,654 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,259 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,728 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,860 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,020 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,571 |
| Countries by Road Signs | 0 | - | 4.98 | 54,393 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,911 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 90,262 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,378 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,156 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,621 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,731 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,483 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,602 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,788 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,723 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,847 |
| Widest Countries East to West | 0 | - | 4.92 | 130,778 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,616 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,304 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,535 |
