| Island Countries | 0 | - | 4.99 | 713,256 |
| Independence from Whom | 0 | - | 4.99 | 213,568 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,772 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,864 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,568 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,967 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,385 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,223 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,017 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,350 |
| Countries by Founding Story | 0 | - | 4.95 | 77,956 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,255 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,626 |
| Cities by Former Name | 0 | - | 4.83 | 92,229 |
| Recently Independent Countries | 0 | - | 4.98 | 160,594 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,304 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,237 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,623 |
| Countries by Former Name | 0 | - | 4.99 | 126,046 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 145,514 |
| Historical City to Country | 0 | - | 4.85 | 79,125 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,374 |
| Boundary Waters | 0 | - | 4.92 | 88,875 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,917 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,654 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,115 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,129 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,226 |
| Warsaw Pact Countries | 0 | - | 4.83 | 85,021 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,856 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,897 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 58,030 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,404 |
| Former Flags | 0 | - | 4.97 | 108,903 |
| Most Populous Islands | 0 | - | 4.80 | 123,490 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,414 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,691 |
| Ancient City to Country | 0 | - | 4.72 | 108,424 |
| City-States | 0 | - | 4.53 | 37,446 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,869 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,369 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,701 |
| Countries by Independence Day | 0 | - | 4.62 | 52,889 |
| Former Countries by Capital | 0 | - | 4.45 | 127,923 |
| Former Countries | 0 | - | 4.77 | 134,356 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,014,008 |
| Landlocked Countries | 0 | - | 4.99 | 427,805 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,653 |
| Battle to Country | 0 | - | 4.91 | 54,171 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,425 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 46,020 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,563 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,659 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,287 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,113 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,096 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,797 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,025 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,578 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,248 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,283 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,179 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,298 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,809 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,708 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,175 |
| Himalayan Countries | 0 | - | 4.93 | 141,057 |
| Andean Countries | 0 | - | 4.94 | 85,918 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,028 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,659 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,573 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,775 |
| Danube Countries | 0 | - | 4.97 | 72,620 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,886 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,028 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,556 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,027 |
| European Landlocked Countries | 0 | - | 4.99 | 147,830 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,621 |
| Countries with the Most Species | 0 | - | 4.99 | 103,678 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,980 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,730 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,837 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,981 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,967 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,713 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,182 |
| Countries in the Alps | 0 | - | 4.87 | 119,062 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,146 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,266 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,101 |
| Guerrillas by Country | 0 | - | 4.40 | 41,265 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,231 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,200 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,435 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,651 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,043 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,542 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,312 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,357 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,986 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,856 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,980 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,717 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,970 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,071 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,287 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,771 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,843 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,924 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,607 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,675 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,648 |
| Largest Countries By Category | 0 | - | 4.97 | 159,207 |
| Countries by Countries | 0 | - | 4.97 | 63,865 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,540 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,464 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,722 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,842 |
| Merged Country Flags | 0 | - | 4.88 | 107,565 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,657 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,609 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,302 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,296 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,647 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,036 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,934 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,674 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,293 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,564 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,702 |
| Longest International Borders | 0 | - | 4.99 | 266,101 |
| Countries with Three Borders | 0 | - | 4.96 | 36,864 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,458 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,597 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,799 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,436 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,769 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,144 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,221 |
| Demonym of Every Country | 0 | - | 4.90 | 61,707 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,572 |
| Islands by Picture | 0 | - | 4.28 | 108,040 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,559 |
| Name a Valid Island | 0 | - | 4.80 | 69,633 |
| Island Superlatives | 0 | - | 4.57 | 34,752 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,419 |
| WWII Geography | 0 | - | 4.81 | 121,568 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,100 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,243 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,776 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,134 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,749 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,211 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,707 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,934 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,792 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,846 |
| Northernmost Countries | 0 | - | 4.99 | 364,882 |
| Countries of South America | 0 | - | 5.00 | 935,066 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,535 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,895,011 |
| "Land" Countries | 0 | - | 4.98 | 339,203 |
| Top World Languages | 0 | - | 4.92 | 832,267 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,242 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,855 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,860 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,081 |
| Islands A-Z | 0 | - | 4.46 | 132,817 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,796 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,204 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,686 |
| Countries with Megacities | 0 | - | 4.99 | 268,234 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,314 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,421 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,666 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,548 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,159 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,623 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,600 |
| Find the City #1 | 0 | - | 4.97 | 43,470 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,673 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,155 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,428 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,571 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,525 |
| Countries by Capital City | 0 | - | 5.00 | 69,755 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,257 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,422 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,031 |
| Moved Capital Cities | 0 | - | 4.96 | 74,774 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,889 |
| Countries by Official Language | 0 | - | 4.95 | 196,350 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,112 |
| Countries in their Native Language | 0 | - | 4.99 | 200,056 |
| Subdivisions by Country | 0 | - | 4.87 | 50,684 |
| Countries in World War I | 0 | - | 4.88 | 229,537 |
| Megadiverse Countries | 0 | - | 4.96 | 149,839 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,870 |
