| Independence from Whom | 0 | - | 4.99 | 213,584 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,786 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,970 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,393 |
| Countries by Founding Story | 0 | - | 4.95 | 77,961 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,258 |
| Countries with the Highest Minimum Elevation | 0 | - | 4.81 | 16,307 |
| Cities by Former Name | 0 | - | 4.83 | 92,231 |
| Recently Independent Countries | 0 | - | 4.98 | 160,598 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,325 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,256 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,642 |
| Countries by Former Name | 0 | - | 4.99 | 126,052 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 181,371 |
| Historical City to Country | 0 | - | 4.85 | 79,130 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 113,700 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 91,611 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,377 |
| Boundary Waters | 0 | - | 4.92 | 88,877 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,922 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,656 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,120 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,129 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,232 |
| Warsaw Pact Countries | 0 | - | 4.83 | 85,028 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,864 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,904 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 58,036 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,411 |
| Former Flags | 0 | - | 4.97 | 108,908 |
| Ancient City to Country | 0 | - | 4.72 | 108,425 |
| City-States | 0 | - | 4.53 | 37,447 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,871 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,370 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,703 |
| Countries by Independence Day | 0 | - | 4.62 | 52,890 |
| Former Countries by Capital | 0 | - | 4.45 | 127,927 |
| Former Countries | 0 | - | 4.77 | 134,359 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,018,949 |
| Landlocked Countries | 0 | - | 4.99 | 427,855 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,660 |
| Battle to Country | 0 | - | 4.91 | 54,177 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,629 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,353 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,668 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,306 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,129 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,103 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,029 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,591 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,254 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,288 |
| 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 | 106,810 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,145 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,199 |
| Himalayan Countries | 0 | - | 4.93 | 141,080 |
| Andean Countries | 0 | - | 4.94 | 85,936 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,036 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,680 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,585 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,781 |
| Danube Countries | 0 | - | 4.97 | 72,626 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,895 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,035 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,575 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,049 |
| European Landlocked Countries | 0 | - | 4.99 | 147,840 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,635 |
| Countries with the Most Species | 0 | - | 4.99 | 103,682 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,983 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,741 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,839 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,983 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,970 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,722 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,189 |
| Countries in the Alps | 0 | - | 4.87 | 119,073 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,164 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,281 |
| 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 | 97,236 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,208 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,437 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,655 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,049 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,549 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,312 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,363 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,987 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,858 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,984 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,722 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,978 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,075 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,301 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,774 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,869 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,934 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,630 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,720 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,653 |
| Largest Countries By Category | 0 | - | 4.97 | 159,214 |
| Countries by Countries | 0 | - | 4.97 | 63,869 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,552 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,465 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,725 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,848 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,679 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,616 |
| Countries by Highest Mountain | 0 | - | 4.51 | 20,151 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,308 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 59,777 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,721 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,655 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,036 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,939 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,676 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,295 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,584 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,704 |
| Longest International Borders | 0 | - | 4.99 | 266,106 |
| Countries with Three Borders | 0 | - | 4.96 | 36,866 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,462 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,598 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,802 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,444 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,775 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,154 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,221 |
| Demonym of Every Country | 0 | - | 4.90 | 61,713 |
| People Born on Islands | 0 | - | 4.39 | 53,104 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,420 |
| WWII Geography | 0 | - | 4.81 | 121,574 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,104 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,245 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,781 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,183 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,901 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,222 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,737 |
| Island Countries | 0 | - | 4.99 | 713,289 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,936 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,794 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,919 |
| Northernmost Countries | 0 | - | 4.99 | 364,915 |
| Mountains by Country | 0 | - | 4.56 | 82,056 |
| Countries of South America | 0 | - | 5.00 | 935,128 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,679 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,895,202 |
| "Land" Countries | 0 | - | 4.98 | 339,213 |
| Top World Languages | 0 | - | 4.92 | 832,364 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,860 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,798 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,215 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,706 |
| Countries with Megacities | 0 | - | 4.99 | 268,270 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,339 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,435 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,684 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,556 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,163 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,623 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,654 |
| Find the City #1 | 0 | - | 4.97 | 43,474 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,688 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,165 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,440 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,593 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,543 |
| Countries by Capital City | 0 | - | 5.00 | 69,772 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,262 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,438 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,039 |
| Moved Capital Cities | 0 | - | 4.96 | 74,775 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,893 |
| Countries by Official Language | 0 | - | 4.95 | 196,360 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,121 |
| Countries in their Native Language | 0 | - | 4.99 | 200,070 |
| Subdivisions by Country | 0 | - | 4.87 | 50,686 |
| Countries in World War I | 0 | - | 4.88 | 229,541 |
| Megadiverse Countries | 0 | - | 4.96 | 149,873 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,882 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,237 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,602 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,871 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,277 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,573 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,665 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,223 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,304 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,932 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,532 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,542 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,255 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,683 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,019 |