| Island Countries | 0 | - | 4.99 | 707,729 |
| Independence from Whom | 0 | - | 4.99 | 209,773 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,816 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,439 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,702 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,023 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,094 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,227 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,036 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,231 |
| Countries by Founding Story | 0 | - | 4.95 | 76,576 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,204 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,004 |
| Cities by Former Name | 0 | - | 4.84 | 91,007 |
| Recently Independent Countries | 0 | - | 4.98 | 158,028 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,573 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,281 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,973 |
| Countries by Former Name | 0 | - | 4.99 | 124,338 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,677 |
| Historical City to Country | 0 | - | 4.84 | 78,146 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,499 |
| Boundary Waters | 0 | - | 4.92 | 88,064 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,829 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,324 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,348 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,863 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,773 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,870 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,284 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,775 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,580 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,899 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,355 |
| Former Flags | 0 | - | 4.97 | 106,748 |
| Most Populous Islands | 0 | - | 4.79 | 122,012 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,207 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,409 |
| Ancient City to Country | 0 | - | 4.70 | 107,635 |
| City-States | 0 | - | 4.53 | 37,110 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,491 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,974 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,246 |
| Countries by Independence Day | 0 | - | 4.56 | 52,622 |
| Former Countries by Capital | 0 | - | 4.45 | 127,069 |
| Former Countries | 0 | - | 4.75 | 132,735 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,943,990 |
| Landlocked Countries | 0 | - | 4.99 | 413,870 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,081 |
| Battle to Country | 0 | - | 4.91 | 52,564 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,724 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,292 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,092 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,011 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,478 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,480 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,169 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,068 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,189 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,036 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,691 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,083 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,018 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,023 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,144 |
| World Capitals Quiz | 0 | - | 5.00 | 5,033,473 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,699 |
| Himalayan Countries | 0 | - | 4.95 | 135,458 |
| Andean Countries | 0 | - | 4.94 | 82,869 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,261 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,268 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,953 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,639 |
| Danube Countries | 0 | - | 4.97 | 71,103 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,794 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,560 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,531 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,456 |
| European Landlocked Countries | 0 | - | 4.99 | 145,784 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,247 |
| Countries with the Most Species | 0 | - | 4.99 | 95,256 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,650 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,391 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,205 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,377 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,972 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,593 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,968 |
| Countries in the Alps | 0 | - | 4.86 | 116,866 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,589 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,302 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,028 |
| Guerrillas by Country | 0 | - | 4.40 | 40,960 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,443 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,203 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,028 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,605 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,781 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,407 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,100 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,091 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,202 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,055 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,425 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,467 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,777 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,773 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,127 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,673 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,272 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,803 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,455 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,763 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,618 |
| Largest Countries By Category | 0 | - | 4.97 | 156,809 |
| Countries by Countries | 0 | - | 4.96 | 62,281 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,438 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,973 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,339 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,724 |
| Merged Country Flags | 0 | - | 4.88 | 106,041 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,778 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,142 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,794 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,353 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,746 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,493 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,576 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,245 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,460 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,499 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,641 |
| Longest International Borders | 0 | - | 4.99 | 263,573 |
| Countries with Three Borders | 0 | - | 4.96 | 36,201 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,617 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,700 |
| Famous Immigrants and Exiles | 0 | - | 4.45 | 22,188 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,591 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,956 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,376 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,867 |
| Demonym of Every Country | 0 | - | 4.91 | 58,671 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,192 |
| Islands by Picture | 0 | - | 4.29 | 105,946 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,223 |
| Name a Valid Island | 0 | - | 4.78 | 68,489 |
| Island Superlatives | 0 | - | 4.57 | 34,478 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,216 |
| WWII Geography | 0 | - | 4.81 | 119,392 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,410 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,605 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,050 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,438 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,757 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,208 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,002 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,173 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,965 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,846 |
| Northernmost Countries | 0 | - | 4.99 | 357,889 |
| Countries of South America | 0 | - | 5.00 | 915,306 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,161 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,481 |
| "Land" Countries | 0 | - | 4.98 | 333,720 |
| Top World Languages | 0 | - | 4.92 | 813,499 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,935 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,971 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,556 |
| Islands A-Z | 0 | - | 4.46 | 116,802 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,174 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,551 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,454 |
| Countries with Megacities | 0 | - | 4.99 | 247,272 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,289 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,095 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,718 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,020 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,639 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,528 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,835 |
| Find the City #1 | 0 | - | 4.97 | 42,144 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,009 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,686 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,632 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,692 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,509 |
| Countries by Capital City | 0 | - | 5.00 | 66,726 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,372 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,938 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,436 |
| Moved Capital Cities | 0 | - | 4.96 | 73,619 |
| Countries by Official Language | 0 | - | 4.95 | 192,828 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,196 |
| Countries in their Native Language | 0 | - | 4.99 | 196,691 |
| Subdivisions by Country | 0 | - | 4.86 | 50,080 |
| Countries in World War I | 0 | - | 4.88 | 226,670 |
| Megadiverse Countries | 0 | - | 4.97 | 133,927 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,472 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,856 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,930 |
