| Independence from Whom | 0 | - | 4.99 | 211,223 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,632 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,353 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,906 |
| Countries by Founding Story | 0 | - | 4.95 | 77,032 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,569 |
| Countries with the Highest Minimum Elevation | 0 | - | 4.86 | 16,123 |
| Cities by Former Name | 0 | - | 4.83 | 91,408 |
| Recently Independent Countries | 0 | - | 4.98 | 158,966 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,516 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,651 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,309 |
| Countries by Former Name | 0 | - | 4.99 | 124,888 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,455 |
| Historical City to Country | 0 | - | 4.84 | 78,417 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,789 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 91,099 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,800 |
| Boundary Waters | 0 | - | 4.92 | 88,361 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,061 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,878 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,120 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,304 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,241 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,254 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,436 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,448 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,081 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,269 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,065 |
| Former Flags | 0 | - | 4.97 | 107,439 |
| Ancient City to Country | 0 | - | 4.70 | 107,906 |
| City-States | 0 | - | 4.53 | 37,223 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,616 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,078 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,373 |
| Countries by Independence Day | 0 | - | 4.61 | 52,706 |
| Former Countries by Capital | 0 | - | 4.45 | 127,353 |
| Former Countries | 0 | - | 4.75 | 133,125 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,307,317 |
| Landlocked Countries | 0 | - | 4.99 | 418,447 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,624 |
| Battle to Country | 0 | - | 4.91 | 53,117 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,032 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,597 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,854 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,097 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,252 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,683 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,481 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,588 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,612 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,836 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,088 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,117 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,275 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,524 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,733 |
| Himalayan Countries | 0 | - | 4.94 | 137,198 |
| Andean Countries | 0 | - | 4.95 | 83,809 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,057 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,459 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,744 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,276 |
| Danube Countries | 0 | - | 4.97 | 71,604 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,474 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,002 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,557 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,624 |
| European Landlocked Countries | 0 | - | 4.99 | 146,714 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,055 |
| Countries with the Most Species | 0 | - | 4.99 | 102,858 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,778 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,191 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,410 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,570 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,272 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,942 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,324 |
| Countries in the Alps | 0 | - | 4.87 | 117,613 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,086 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,281 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,379 |
| Guerrillas by Country | 0 | - | 4.40 | 41,068 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,933 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,037 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,410 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,223 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,141 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,936 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,171 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,513 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,449 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,312 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,605 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,888 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,159 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,176 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,096 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,028 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,545 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,462 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,183 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,118 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,961 |
| Largest Countries By Category | 0 | - | 4.97 | 157,562 |
| Countries by Countries | 0 | - | 4.96 | 62,794 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,142 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,147 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,464 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,066 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,387 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,614 |
| Countries by Highest Mountain | 0 | - | 4.51 | 19,948 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,281 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 59,565 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,385 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,333 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,717 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,193 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,382 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,720 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,985 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,047 |
| Longest International Borders | 0 | - | 4.99 | 264,595 |
| Countries with Three Borders | 0 | - | 4.96 | 36,433 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,892 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,986 |
| Famous Immigrants and Exiles | 0 | - | 4.45 | 23,298 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,838 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,585 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,190 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,997 |
| Demonym of Every Country | 0 | - | 4.91 | 59,115 |
| People Born on Islands | 0 | - | 4.39 | 52,874 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,278 |
| WWII Geography | 0 | - | 4.81 | 120,095 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,650 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,826 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,330 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,632 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,157 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,490 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,896 |
| Island Countries | 0 | - | 4.99 | 709,585 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 45,426 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,286 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,635 |
| Northernmost Countries | 0 | - | 4.99 | 360,284 |
| Mountains by Country | 0 | - | 4.56 | 81,717 |
| Countries of South America | 0 | - | 5.00 | 922,406 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,344 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,216 |
| "Land" Countries | 0 | - | 4.98 | 335,700 |
| Top World Languages | 0 | - | 4.92 | 819,799 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,327 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,328 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,120 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,886 |
| Countries with Megacities | 0 | - | 4.99 | 256,756 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,754 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,916 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,052 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,917 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,216 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,552 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,809 |
| Find the City #1 | 0 | - | 4.97 | 42,660 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,899 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,214 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,240 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,906 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,544 |
| Countries by Capital City | 0 | - | 5.00 | 67,866 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,937 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,430 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,925 |
| Moved Capital Cities | 0 | - | 4.96 | 74,019 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,371 |
| Countries by Official Language | 0 | - | 4.95 | 194,571 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,441 |
| Countries in their Native Language | 0 | - | 4.99 | 198,119 |
| Subdivisions by Country | 0 | - | 4.86 | 50,271 |
| Countries in World War I | 0 | - | 4.88 | 227,782 |
| Megadiverse Countries | 0 | - | 4.96 | 134,741 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,657 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,487 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,161 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,727 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,005 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,667 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,818 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,970 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,871 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,691 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,963 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,754 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,117 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,305 |
