| Independence from Whom | 0 | - | 4.99 | 210,365 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,195 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,169 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,452 |
| Countries by Founding Story | 0 | - | 4.95 | 76,799 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,376 |
| Cities by Former Name | 0 | - | 4.84 | 91,199 |
| Recently Independent Countries | 0 | - | 4.98 | 158,288 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,002 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,931 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,621 |
| Countries by Former Name | 0 | - | 4.99 | 124,596 |
| Historical City to Country | 0 | - | 4.84 | 78,278 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,634 |
| Boundary Waters | 0 | - | 4.92 | 88,173 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,925 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,564 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,697 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,054 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,964 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,042 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,341 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,110 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,818 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,075 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,680 |
| Former Flags | 0 | - | 4.97 | 107,066 |
| Ancient City to Country | 0 | - | 4.70 | 107,765 |
| City-States | 0 | - | 4.53 | 37,158 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,565 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,020 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,302 |
| Countries by Independence Day | 0 | - | 4.61 | 52,660 |
| Former Countries by Capital | 0 | - | 4.45 | 127,207 |
| United States Immigration by Country | 0 | - | 4.69 | 160,505 |
| Former Countries | 0 | - | 4.75 | 132,910 |
| Countries With the Most Expats | 0 | - | 4.69 | 49,408 |
| Countries with the Most Immigrants per Capita | 0 | - | 4.53 | 62,034 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,105,351 |
| Landlocked Countries | 0 | - | 4.99 | 415,891 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,353 |
| Battle to Country | 0 | - | 4.91 | 52,814 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 559,708 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,410 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,415 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,763 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,867 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,413 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,315 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,255 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,181 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,440 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,052 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,066 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,203 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,065 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,541 |
| Himalayan Countries | 0 | - | 4.95 | 136,180 |
| Andean Countries | 0 | - | 4.95 | 83,283 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,579 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,777 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,278 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,901 |
| Danube Countries | 0 | - | 4.97 | 71,319 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,088 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,774 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,991 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,949 |
| European Landlocked Countries | 0 | - | 4.99 | 146,027 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,638 |
| Countries with the Most Species | 0 | - | 4.99 | 95,384 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,710 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,775 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,292 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,465 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,105 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,750 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,125 |
| Countries in the Alps | 0 | - | 4.86 | 117,225 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,824 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,722 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,201 |
| Guerrillas by Country | 0 | - | 4.40 | 41,016 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,651 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,454 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,194 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,887 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,941 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,739 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,129 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,274 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,310 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,174 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,504 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,664 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,928 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,938 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,580 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,839 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,377 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,113 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,595 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,392 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,773 |
| Largest Countries By Category | 0 | - | 4.97 | 157,146 |
| Countries by Countries | 0 | - | 4.96 | 62,512 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,764 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,053 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,394 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,879 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,491 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,348 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,025 |
| Countries by Net Migration | 0 | - | 4.52 | 83,531 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,267 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,951 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,600 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,768 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,307 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,579 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,049 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,803 |
| Longest International Borders | 0 | - | 4.99 | 264,218 |
| Countries with Three Borders | 0 | - | 4.96 | 36,313 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,740 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,825 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,718 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,227 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,724 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,933 |
| Demonym of Every Country | 0 | - | 4.91 | 58,849 |
| People Born on Islands | 0 | - | 4.39 | 52,806 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,239 |
| WWII Geography | 0 | - | 4.81 | 119,741 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,526 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,185 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,300 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,140 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,455 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,137 |
| Island Countries | 0 | - | 4.99 | 708,560 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,280 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,143 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,472 |
| Northernmost Countries | 0 | - | 4.99 | 359,011 |
| Countries of South America | 0 | - | 5.00 | 918,661 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,450 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,244 |
| "Land" Countries | 0 | - | 4.98 | 334,256 |
| Top World Languages | 0 | - | 4.92 | 816,260 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,147 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,248 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,787 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,081 |
| Countries with Megacities | 0 | - | 4.99 | 248,557 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,960 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,444 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,335 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,392 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,537 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,331 |
| Find the City #1 | 0 | - | 4.97 | 42,427 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,451 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,973 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,945 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,154 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,007 |
| Countries by Capital City | 0 | - | 5.00 | 67,282 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,631 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,166 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,619 |
| Moved Capital Cities | 0 | - | 4.96 | 73,816 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 74,911 |
| Countries by Official Language | 0 | - | 4.95 | 193,727 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,215 |
| Countries in their Native Language | 0 | - | 4.99 | 197,392 |
| Subdivisions by Country | 0 | - | 4.86 | 50,167 |
| Countries in World War I | 0 | - | 4.88 | 227,241 |
| Megadiverse Countries | 0 | - | 4.96 | 134,496 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,049 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,595 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,049 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,582 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,930 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,954 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,500 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,324 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,056 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,548 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,649 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,618 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,823 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,159 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,609 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,308 |
| World Map Quiz | 0 | - | 4.81 | 63,921 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,990 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,644 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 111,557 |