| Independence from Whom | 0 | - | 4.99 | 212,012 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,670 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,577 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,417 |
| Countries by Founding Story | 0 | - | 4.95 | 77,340 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,825 |
| Boundary Waters | 0 | - | 4.92 | 88,546 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,228 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,225 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,655 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,571 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,535 |
| Cities by Former Name | 0 | - | 4.83 | 91,673 |
| Recently Independent Countries | 0 | - | 4.98 | 159,433 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,163 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,628 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,207 |
| Countries by Former Name | 0 | - | 4.99 | 125,289 |
| Historical City to Country | 0 | - | 4.84 | 78,615 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,732 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,555 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,957 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,376 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,547 |
| Former Flags | 0 | - | 4.97 | 107,916 |
| Ancient City to Country | 0 | - | 4.70 | 108,112 |
| City-States | 0 | - | 4.53 | 37,295 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,707 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,141 |
| Landlocked Countries | 0 | - | 4.99 | 421,644 |
| Countries by Independence Day | 0 | - | 4.61 | 52,773 |
| Former Countries by Capital | 0 | - | 4.45 | 127,564 |
| Former Countries | 0 | - | 4.75 | 133,886 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,932 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,557,118 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,692 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,986 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,362 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,368 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,289 |
| Himalayan Countries | 0 | - | 4.95 | 138,579 |
| Andean Countries | 0 | - | 4.93 | 84,525 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,712 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,711 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,343 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,739 |
| Danube Countries | 0 | - | 4.97 | 71,967 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,967 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,384 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,231 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,712 |
| European Landlocked Countries | 0 | - | 4.99 | 147,092 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,571 |
| Countries with the Most Species | 0 | - | 4.99 | 103,201 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,705 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,570 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,706 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,517 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,199 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,622 |
| Countries in the Alps | 0 | - | 4.87 | 118,153 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,887 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,979 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,623 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,565 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,459 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,923 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,462 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,157 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,811 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,633 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,494 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,188 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,436 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,487 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,824 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,284 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,234 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,013 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,757 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,000 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,194 |
| Largest Countries By Category | 0 | - | 4.97 | 158,154 |
| Countries by Countries | 0 | - | 4.96 | 63,161 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,006 |
| Battle to Country | 0 | - | 4.91 | 53,476 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,639 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,887 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,477 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,964 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,641 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,682 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,846 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,481 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,483 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,903 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,909 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,267 |
| Longest International Borders | 0 | - | 4.99 | 265,142 |
| Countries with Three Borders | 0 | - | 4.96 | 36,592 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,102 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,201 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,645 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,041 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,986 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,245 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,060 |
| Demonym of Every Country | 0 | - | 4.91 | 60,604 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,124 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,373 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,408 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,857 |
| Guerrillas by Country | 0 | - | 4.40 | 41,140 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,220 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,732 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,339 |
| Famous Immigrants and Exiles | 0 | - | 4.45 | 23,519 |
| People Born on Islands | 0 | - | 4.39 | 52,960 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,329 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,822 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,480 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,182 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,342 |
| Roman Provinces on a Map | 0 | - | 4.54 | 37,022 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,303 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,732 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,424 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,994 |
| Island Countries | 0 | - | 4.99 | 710,917 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,445 |
| Northernmost Countries | 0 | - | 4.99 | 361,802 |
| Countries of South America | 0 | - | 5.00 | 926,850 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,282 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,270 |
| "Land" Countries | 0 | - | 4.98 | 337,237 |
| Top World Languages | 0 | - | 4.92 | 823,830 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,030 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,902 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,444 |
| Globe Grid | 0 | - | 4.32 | 32,008 |
| WWII Geography | 0 | - | 4.81 | 120,515 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,920 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,518 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,796 |
| Countries with Megacities | 0 | - | 4.99 | 264,367 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,658 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,421 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,925 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,489 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,579 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,388 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,472 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,517 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,631 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,435 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,239 |
| Countries by Capital City | 0 | - | 5.00 | 68,566 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,321 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,778 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,349 |
| Moved Capital Cities | 0 | - | 4.96 | 74,306 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,622 |
| Countries by Official Language | 0 | - | 4.95 | 195,193 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,277 |
| Countries in their Native Language | 0 | - | 4.99 | 198,982 |
| Subdivisions by Country | 0 | - | 4.86 | 50,420 |
| Megadiverse Countries | 0 | - | 4.96 | 134,981 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,025 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,332 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,213 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,093 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,076 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,006 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,629 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,126 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,621 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,856 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,182 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,946 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,334 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,473 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,848 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,092 |
| World Map Quiz | 0 | - | 4.81 | 65,040 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,109 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,321 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,090 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 145,924 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,613 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,458 |
| Countries by Road Signs | 0 | - | 4.98 | 53,987 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,411 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,014 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,238 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,959 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,112 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,849 |
