| Independence from Whom | 0 | - | 4.99 | 209,687 |
| Subdivisions by Country | 0 | - | 4.86 | 50,064 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,745 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,998 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,010 |
| Countries by Founding Story | 0 | - | 4.95 | 76,535 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,168 |
| Cities by Former Name | 0 | - | 4.84 | 90,972 |
| Recently Independent Countries | 0 | - | 4.98 | 157,986 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,500 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,162 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,865 |
| Countries by Former Name | 0 | - | 4.99 | 124,285 |
| Historical City to Country | 0 | - | 4.84 | 78,125 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,474 |
| Boundary Waters | 0 | - | 4.92 | 88,042 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,816 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,285 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,296 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,838 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,735 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,842 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,272 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,723 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,529 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,873 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,309 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,923 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,285 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,332 |
| Former Flags | 0 | - | 4.97 | 106,694 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,890 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,157 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,691 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,601 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,921 |
| Ancient City to Country | 0 | - | 4.70 | 107,609 |
| City-States | 0 | - | 4.53 | 37,097 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,481 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,964 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,239 |
| Countries by Independence Day | 0 | - | 4.56 | 52,610 |
| Former Countries by Capital | 0 | - | 4.45 | 127,046 |
| Former Countries | 0 | - | 4.75 | 132,704 |
| Regions of New Zealand | 0 | - | 4.85 | 28,140 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,918 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,918,605 |
| Landlocked Countries | 0 | - | 4.99 | 413,598 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,037 |
| Battle to Country | 0 | - | 4.91 | 52,526 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,955 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,198 |
| States of India | 0 | - | 4.94 | 190,044 |
| Japanese Prefectures | 0 | - | 4.98 | 134,580 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,180 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,007 |
| Provinces of Turkey | 0 | - | 4.95 | 201,031 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,991 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,949 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,428 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,419 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,113 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,162 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,998 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,619 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,984 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,011 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,017 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,130 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,361 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,578 |
| Himalayan Countries | 0 | - | 4.95 | 135,345 |
| Andean Countries | 0 | - | 4.94 | 82,822 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,208 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,204 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,896 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,606 |
| Danube Countries | 0 | - | 4.97 | 71,080 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,763 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,538 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,477 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,393 |
| European Landlocked Countries | 0 | - | 4.99 | 145,750 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,211 |
| Countries with the Most Species | 0 | - | 4.99 | 95,241 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,645 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,337 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,369 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,957 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,576 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,951 |
| Countries in the Alps | 0 | - | 4.86 | 116,819 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,561 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,252 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,004 |
| Guerrillas by Country | 0 | - | 4.40 | 40,951 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,418 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,158 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,002 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,573 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,745 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,288 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,096 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,047 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,194 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,041 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,403 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,453 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,747 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,751 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,059 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,639 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,253 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,768 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,280 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,670 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,600 |
| Largest Countries By Category | 0 | - | 4.97 | 156,757 |
| Countries by Countries | 0 | - | 4.96 | 62,255 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,383 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,331 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,704 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,678 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,098 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,762 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,514 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,712 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,485 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,555 |
| States of Mexico | 0 | - | 4.95 | 173,348 |
| States of Brazil | 0 | - | 4.98 | 86,390 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,232 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,965 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,443 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,409 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,618 |
| Longest International Borders | 0 | - | 4.99 | 263,543 |
| Countries with Three Borders | 0 | - | 4.96 | 36,180 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,599 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,667 |
| Famous Immigrants and Exiles | 0 | - | 4.48 | 21,474 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,558 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,900 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,287 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,860 |
| Demonym of Every Country | 0 | - | 4.91 | 58,643 |
| People Born on Islands | 0 | - | 4.39 | 52,746 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,213 |
| WWII Geography | 0 | - | 4.81 | 119,351 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,396 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,032 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,924 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,069 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,111 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,841 |
| Island Countries | 0 | - | 4.99 | 707,617 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,149 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,941 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,426 |
| Northernmost Countries | 0 | - | 4.99 | 357,715 |
| Countries of South America | 0 | - | 5.00 | 914,674 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,393 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,276 |
| "Land" Countries | 0 | - | 4.98 | 333,650 |
| Top World Languages | 0 | - | 4.92 | 813,138 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,011 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,945 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,163 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,506 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,201 |
| Countries with Megacities | 0 | - | 4.99 | 246,888 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,108 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,961 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,520 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,851 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,526 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,763 |
| Find the City #1 | 0 | - | 4.97 | 42,106 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,951 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,655 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,605 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,625 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,449 |
| Countries by Capital City | 0 | - | 5.00 | 66,650 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,334 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,906 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,409 |
| Moved Capital Cities | 0 | - | 4.96 | 73,587 |
| Countries by Official Language | 0 | - | 4.95 | 192,766 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,128 |
| Countries in their Native Language | 0 | - | 4.99 | 196,634 |
| Countries in World War I | 0 | - | 4.88 | 226,616 |
| Megadiverse Countries | 0 | - | 4.97 | 133,900 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,411 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,800 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,918 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,427 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,859 |