| Island Countries | 0 | - | 4.99 | 713,240 |
| Independence from Whom | 0 | - | 4.99 | 213,558 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,761 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,857 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,561 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,965 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,382 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,221 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,016 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,346 |
| Countries by Founding Story | 0 | - | 4.95 | 77,953 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,254 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,624 |
| Cities by Former Name | 0 | - | 4.83 | 92,228 |
| Recently Independent Countries | 0 | - | 4.98 | 160,591 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,295 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,230 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,615 |
| Countries by Former Name | 0 | - | 4.99 | 126,044 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 145,510 |
| Historical City to Country | 0 | - | 4.85 | 79,123 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,371 |
| Boundary Waters | 0 | - | 4.92 | 88,874 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,908 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,648 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,111 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,129 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,220 |
| Warsaw Pact Countries | 0 | - | 4.83 | 85,021 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,851 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,895 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 58,026 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,402 |
| Former Flags | 0 | - | 4.97 | 108,891 |
| Most Populous Islands | 0 | - | 4.80 | 123,485 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,413 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,691 |
| Ancient City to Country | 0 | - | 4.72 | 108,422 |
| City-States | 0 | - | 4.53 | 37,446 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,869 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,367 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,699 |
| Countries by Independence Day | 0 | - | 4.62 | 52,888 |
| Former Countries by Capital | 0 | - | 4.45 | 127,918 |
| Former Countries | 0 | - | 4.77 | 134,354 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,011,059 |
| Landlocked Countries | 0 | - | 4.99 | 427,760 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,648 |
| Battle to Country | 0 | - | 4.91 | 54,167 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,364 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 46,016 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,556 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,652 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,272 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,103 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,088 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,793 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,022 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,572 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,243 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,271 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,178 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,297 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,807 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,453 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,156 |
| Himalayan Countries | 0 | - | 4.93 | 141,040 |
| Andean Countries | 0 | - | 4.94 | 85,909 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,022 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,648 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,569 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,769 |
| Danube Countries | 0 | - | 4.97 | 72,613 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,883 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,027 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,547 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,020 |
| European Landlocked Countries | 0 | - | 4.99 | 147,826 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,613 |
| Countries with the Most Species | 0 | - | 4.99 | 103,674 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,980 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,724 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,835 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,977 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,965 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,711 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,179 |
| Countries in the Alps | 0 | - | 4.87 | 119,057 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,137 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,264 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,096 |
| Guerrillas by Country | 0 | - | 4.40 | 41,264 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,225 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,198 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,434 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,648 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,038 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,541 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,311 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,356 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,983 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,855 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,978 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,712 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,966 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,068 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,275 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,771 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,816 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,915 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,590 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,651 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,645 |
| Largest Countries By Category | 0 | - | 4.97 | 159,201 |
| Countries by Countries | 0 | - | 4.97 | 63,862 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,535 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,461 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,720 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,840 |
| Merged Country Flags | 0 | - | 4.88 | 107,556 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,643 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,608 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,299 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,017 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,642 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,036 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,930 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,671 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,291 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,553 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,699 |
| Longest International Borders | 0 | - | 4.99 | 266,093 |
| Countries with Three Borders | 0 | - | 4.96 | 36,861 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,452 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,597 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,798 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,433 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,762 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,135 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,220 |
| Demonym of Every Country | 0 | - | 4.90 | 61,703 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,572 |
| Islands by Picture | 0 | - | 4.28 | 108,030 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,558 |
| Name a Valid Island | 0 | - | 4.80 | 69,631 |
| Island Superlatives | 0 | - | 4.57 | 34,752 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,418 |
| WWII Geography | 0 | - | 4.81 | 121,561 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,099 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,240 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,774 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,085 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,635 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,204 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,678 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,933 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,792 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,803 |
| Northernmost Countries | 0 | - | 4.99 | 364,865 |
| Countries of South America | 0 | - | 5.00 | 934,996 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,413 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,892 |
| "Land" Countries | 0 | - | 4.98 | 339,189 |
| Top World Languages | 0 | - | 4.92 | 832,228 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,242 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,854 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,856 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,080 |
| Islands A-Z | 0 | - | 4.46 | 131,219 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,796 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,198 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,673 |
| Countries with Megacities | 0 | - | 4.99 | 268,208 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,308 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,418 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,651 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,536 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,155 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,623 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,594 |
| Find the City #1 | 0 | - | 4.97 | 43,469 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,661 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,147 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,422 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,553 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,513 |
| Countries by Capital City | 0 | - | 5.00 | 69,742 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,250 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,421 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,026 |
| Moved Capital Cities | 0 | - | 4.96 | 74,769 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,888 |
| Countries by Official Language | 0 | - | 4.95 | 196,343 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,102 |
| Countries in their Native Language | 0 | - | 4.99 | 200,054 |
| Subdivisions by Country | 0 | - | 4.87 | 50,683 |
| Countries in World War I | 0 | - | 4.88 | 229,534 |
| Megadiverse Countries | 0 | - | 4.96 | 149,811 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,852 |
