| Name a Valid European Country #1 | 0 | - | 4.99 | 256,296 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,938 |
| Name a Valid African Country | 0 | - | 4.98 | 152,820 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,038 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,140 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,839 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,569 |
| Independence from Whom | 0 | - | 4.99 | 209,487 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,589 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,942 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,599 |
| Countries by Founding Story | 0 | - | 4.95 | 76,450 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,838 |
| Recently Independent Countries | 0 | - | 4.98 | 157,871 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,323 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,899 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,590 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,856 |
| Countries by Former Name | 0 | - | 4.99 | 124,160 |
| Historical City to Country | 0 | - | 4.84 | 78,085 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,909 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,856,175 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,088 |
| Countries in World War I | 0 | - | 4.88 | 226,207 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,246 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,625 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,052 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,167 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,185 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,510 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,489 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,724 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,106 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,756 |
| Countries by Emojis | 0 | - | 4.99 | 235,835 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,026 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,240 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,179 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,610 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,422 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,815 |
| Landlocked Countries | 0 | - | 4.99 | 412,928 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,756 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,295 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,056 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,471 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,251 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,268 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,286 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,769 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,523 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,567 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,923 |
| Battle to Country | 0 | - | 4.91 | 52,442 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,542 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 377,962 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,776 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,300 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,994 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,234 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,914 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,560 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,976 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,443 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,091 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,360 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,983 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,394 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,847 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,022 |
| Island Countries | 0 | - | 4.99 | 707,266 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,262 |
| Himalayan Countries | 0 | - | 4.95 | 135,071 |
| Andean Countries | 0 | - | 4.94 | 82,675 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,092 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,007 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,775 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,479 |
| Danube Countries | 0 | - | 4.97 | 71,008 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,644 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,462 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,299 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,218 |
| European Landlocked Countries | 0 | - | 4.99 | 145,673 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,061 |
| Countries with the Most Species | 0 | - | 4.99 | 95,191 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,210 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,334 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,516 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,873 |
| Countries in the Alps | 0 | - | 4.87 | 116,695 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,481 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,092 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,948 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,330 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,072 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,479 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,689 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,960 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,975 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,166 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,000 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,369 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,675 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,678 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,679 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,881 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,573 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,204 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,680 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,865 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,393 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,546 |
| Largest Countries By Category | 0 | - | 4.97 | 156,630 |
| Countries by Countries | 0 | - | 4.96 | 62,173 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,202 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,729 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,514 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,232 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,487 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,935 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,407 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,010 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,663 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,431 |
| Northernmost Countries | 0 | - | 4.99 | 357,274 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,869 |
| Countries of South America | 0 | - | 5.00 | 913,514 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,731 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,372 |
| "Land" Countries | 0 | - | 4.98 | 333,435 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,718 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,113 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,981 |
| Countries by Independence Day | 0 | - | 4.56 | 52,585 |
| Countries in World War II | 0 | - | 4.53 | 903,472 |
| Former Countries by Capital | 0 | - | 4.45 | 126,968 |
| Former Countries | 0 | - | 4.75 | 132,592 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,203 |
| Political Movements by Country | 0 | - | 4.46 | 72,228 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,607 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,222 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,584 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,133 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,880 |
| Countries with Megacities | 0 | - | 4.99 | 246,225 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,797 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,743 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,265 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,678 |
| Countries by Official Language | 0 | - | 4.95 | 192,600 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,888 |
| Countries in their Native Language | 0 | - | 4.99 | 196,483 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Megadiverse Countries | 0 | - | 4.97 | 133,834 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,657 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,878 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,374 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,552 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,068 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,183 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,717 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,398 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,366 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,434 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,450 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,610 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,982 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,368 |
| World Map Quiz | 0 | - | 4.81 | 63,365 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,244 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,226 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,015 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,169 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,637 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,414 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,332 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,137 |
| Countries by Road Signs | 0 | - | 4.98 | 52,986 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,129 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.97 | 72,644 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,167 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,884 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,860 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,522 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,776 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,971 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,176 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,882 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,263 |
| Widest Countries East to West | 0 | - | 4.92 | 128,528 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,086 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,521 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,627 |
