| Independence from Whom | 0 | - | 4.99 | 209,470 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,585 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,938 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,592 |
| Countries by Founding Story | 0 | - | 4.95 | 76,446 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,087 |
| Boundary Waters | 0 | - | 4.92 | 87,992 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,177 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,129 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,763 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,652 |
| Cities by Former Name | 0 | - | 4.84 | 90,871 |
| Recently Independent Countries | 0 | - | 4.98 | 157,864 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,311 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,880 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,581 |
| Countries by Former Name | 0 | - | 4.99 | 124,151 |
| Historical City to Country | 0 | - | 4.84 | 78,082 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,752 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,240 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,605 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,419 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,807 |
| Former Flags | 0 | - | 4.97 | 106,530 |
| Ancient City to Country | 0 | - | 4.70 | 107,552 |
| City-States | 0 | - | 4.53 | 37,070 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,458 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,937 |
| Landlocked Countries | 0 | - | 4.99 | 412,895 |
| Countries by Independence Day | 0 | - | 4.56 | 52,585 |
| Former Countries by Capital | 0 | - | 4.45 | 126,960 |
| Former Countries | 0 | - | 4.75 | 132,588 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,669 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,853,046 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,109 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,905 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,467 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,842 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,242 |
| Himalayan Countries | 0 | - | 4.95 | 135,060 |
| Andean Countries | 0 | - | 4.94 | 82,668 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,085 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,996 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,764 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,470 |
| Danube Countries | 0 | - | 4.97 | 71,003 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,637 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,458 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,294 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,199 |
| European Landlocked Countries | 0 | - | 4.99 | 145,670 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,054 |
| Countries with the Most Species | 0 | - | 4.99 | 95,187 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,198 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,334 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,908 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,513 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,869 |
| Countries in the Alps | 0 | - | 4.87 | 116,686 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,474 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,085 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,942 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,327 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,069 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,474 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,684 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,693 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,973 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,166 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,999 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,365 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,674 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,676 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,868 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,571 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,201 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,668 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,847 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,377 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,542 |
| Largest Countries By Category | 0 | - | 4.97 | 156,619 |
| Countries by Countries | 0 | - | 4.96 | 62,168 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,917 |
| Battle to Country | 0 | - | 4.91 | 52,439 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,221 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,934 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,138 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,395 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,006 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,658 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,633 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,456 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,480 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,212 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,402 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,142 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,545 |
| Longest International Borders | 0 | - | 4.99 | 263,368 |
| Countries with Three Borders | 0 | - | 4.96 | 36,133 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,559 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,608 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,762 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,296 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,234 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,988 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,830 |
| Demonym of Every Country | 0 | - | 4.91 | 58,568 |
| Cities by Founder and Date | 0 | - | 4.56 | 28,997 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,098 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,759 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,627 |
| Guerrillas by Country | 0 | - | 4.40 | 40,931 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,087 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,360 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,939 |
| Famous Immigrants and Exiles | 0 | - | 4.48 | 20,429 |
| People Born on Islands | 0 | - | 4.39 | 52,720 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,200 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,342 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 62,978 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,001 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,628 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,492 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,035 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,972 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,836 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,003 |
| Island Countries | 0 | - | 4.99 | 707,246 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,369 |
| Northernmost Countries | 0 | - | 4.99 | 357,259 |
| Countries of South America | 0 | - | 5.00 | 913,405 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,656 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,230 |
| "Land" Countries | 0 | - | 4.98 | 333,423 |
| Top World Languages | 0 | - | 4.92 | 811,982 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,707 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,102 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,122 |
| Globe Grid | 0 | - | 4.32 | 31,927 |
| WWII Geography | 0 | - | 4.81 | 119,259 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,262 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,378 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,863 |
| Countries with Megacities | 0 | - | 4.99 | 246,199 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,781 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,738 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,251 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,673 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,515 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,576 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,813 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,564 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,516 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,480 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,223 |
| Countries by Capital City | 0 | - | 5.00 | 66,464 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,226 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,807 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,340 |
| Moved Capital Cities | 0 | - | 4.96 | 73,511 |
| Countries by Official Language | 0 | - | 4.95 | 192,587 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,876 |
| Countries in their Native Language | 0 | - | 4.99 | 196,474 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Megadiverse Countries | 0 | - | 4.97 | 133,833 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,654 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,876 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,373 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,547 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,060 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,178 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,715 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,384 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,365 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,429 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,446 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,607 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,979 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,089 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,347 |
| World Map Quiz | 0 | - | 4.81 | 63,359 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,221 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,222 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,006 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,149 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,090 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,892 |
| Countries by Road Signs | 0 | - | 4.98 | 52,977 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,125 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,158 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,878 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,855 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,511 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,770 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,965 |
