| Independence from Whom | 0 | - | 4.99 | 211,697 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,973 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,473 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,212 |
| Countries by Founding Story | 0 | - | 4.95 | 77,214 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,708 |
| Cities by Former Name | 0 | - | 4.83 | 91,568 |
| Recently Independent Countries | 0 | - | 4.98 | 159,231 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,900 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,226 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,829 |
| Countries by Former Name | 0 | - | 4.99 | 125,117 |
| Historical City to Country | 0 | - | 4.84 | 78,533 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,930 |
| Boundary Waters | 0 | - | 4.92 | 88,464 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,161 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,084 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,439 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,459 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,406 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,500 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,506 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,741 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,273 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,430 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,363 |
| Former Flags | 0 | - | 4.97 | 107,732 |
| Ancient City to Country | 0 | - | 4.70 | 108,028 |
| City-States | 0 | - | 4.53 | 37,262 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,671 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,111 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,431 |
| Countries by Independence Day | 0 | - | 4.61 | 52,739 |
| Former Countries by Capital | 0 | - | 4.45 | 127,477 |
| Former Countries | 0 | - | 4.75 | 133,791 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,453,502 |
| Landlocked Countries | 0 | - | 4.99 | 420,449 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,870 |
| Battle to Country | 0 | - | 4.91 | 53,339 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,065 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,763 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,288 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,812 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,673 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,008 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,600 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,825 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,947 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,174 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,105 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,156 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,339 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,351 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,677 |
| Himalayan Countries | 0 | - | 4.95 | 138,066 |
| Andean Countries | 0 | - | 4.95 | 84,253 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,476 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,304 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,111 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,552 |
| Danube Countries | 0 | - | 4.97 | 71,826 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,779 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,227 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,956 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,403 |
| European Landlocked Countries | 0 | - | 4.99 | 146,958 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,368 |
| Countries with the Most Species | 0 | - | 4.99 | 103,085 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,828 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,527 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,499 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,657 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,439 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,499 |
| Countries in the Alps | 0 | - | 4.87 | 117,951 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,275 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,684 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,545 |
| Guerrillas by Country | 0 | - | 4.40 | 41,104 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,443 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,298 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,830 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,462 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,335 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,069 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,203 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,698 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,562 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,418 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,684 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,065 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,343 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,360 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,513 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,177 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,685 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,809 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,138 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,652 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,103 |
| Largest Countries By Category | 0 | - | 4.97 | 157,914 |
| Countries by Countries | 0 | - | 4.97 | 63,004 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,457 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,213 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,506 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,227 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,061 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,796 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,495 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,168 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,556 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,793 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,351 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,440 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,831 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,567 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,180 |
| Longest International Borders | 0 | - | 4.99 | 264,928 |
| Countries with Three Borders | 0 | - | 4.96 | 36,530 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,009 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,128 |
| Famous Immigrants and Exiles | 0 | - | 4.45 | 23,435 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,944 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,863 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,611 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,040 |
| Demonym of Every Country | 0 | - | 4.91 | 60,077 |
| People Born on Islands | 0 | - | 4.39 | 52,928 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,312 |
| WWII Geography | 0 | - | 4.81 | 120,345 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,760 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,419 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,228 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,273 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,022 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,186 |
| Island Countries | 0 | - | 4.99 | 710,359 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,547 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,392 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,775 |
| Northernmost Countries | 0 | - | 4.99 | 361,196 |
| Countries of South America | 0 | - | 5.00 | 924,984 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,908 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,695 |
| "Land" Countries | 0 | - | 4.98 | 336,272 |
| Top World Languages | 0 | - | 4.92 | 822,139 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,442 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,394 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,350 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,447 |
| Countries with Megacities | 0 | - | 4.99 | 263,345 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,286 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,236 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,582 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,276 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,430 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,569 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,116 |
| Find the City #1 | 0 | - | 4.97 | 42,796 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,242 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,398 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,487 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,220 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,979 |
| Countries by Capital City | 0 | - | 5.00 | 68,259 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,158 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,641 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,192 |
| Moved Capital Cities | 0 | - | 4.96 | 74,204 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,552 |
| Countries by Official Language | 0 | - | 4.95 | 194,922 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,933 |
| Countries in their Native Language | 0 | - | 4.99 | 198,447 |
| Subdivisions by Country | 0 | - | 4.86 | 50,359 |
| Countries in World War I | 0 | - | 4.88 | 228,136 |
| Megadiverse Countries | 0 | - | 4.96 | 134,877 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,022 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,784 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,252 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,843 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,058 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,901 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,934 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,561 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,040 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,330 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,792 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,092 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,865 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,411 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,478 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,647 |
| World Map Quiz | 0 | - | 4.81 | 64,857 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,386 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,188 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 112,564 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,934 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 145,330 |
