| Independence from Whom | 0 | - | 4.99 | 213,461 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,706 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,935 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,318 |
| Countries by Founding Story | 0 | - | 4.95 | 77,923 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,237 |
| Cities by Former Name | 0 | - | 4.83 | 92,204 |
| Recently Independent Countries | 0 | - | 4.98 | 160,535 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,207 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,135 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,534 |
| Countries by Former Name | 0 | - | 4.99 | 125,999 |
| Historical City to Country | 0 | - | 4.85 | 79,107 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,344 |
| Boundary Waters | 0 | - | 4.92 | 88,852 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,595 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,082 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,101 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,198 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,732 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,790 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,869 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,995 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,346 |
| Former Flags | 0 | - | 4.97 | 108,849 |
| Ancient City to Country | 0 | - | 4.72 | 108,409 |
| City-States | 0 | - | 4.53 | 37,442 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,860 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,362 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,690 |
| Countries by Independence Day | 0 | - | 4.62 | 52,882 |
| Former Countries by Capital | 0 | - | 4.45 | 127,906 |
| United States Immigration by Country | 0 | - | 4.68 | 163,320 |
| Former Countries | 0 | - | 4.77 | 134,332 |
| Countries With the Most Expats | 0 | - | 4.69 | 49,659 |
| Countries with the Most Immigrants per Capita | 0 | - | 4.53 | 62,841 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,985,698 |
| Landlocked Countries | 0 | - | 4.99 | 427,441 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,627 |
| Battle to Country | 0 | - | 4.91 | 54,133 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,430 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,309 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,582 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,115 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,034 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,038 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,000 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,535 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,195 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,292 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,799 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,209 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,006 |
| Himalayan Countries | 0 | - | 4.93 | 140,907 |
| Andean Countries | 0 | - | 4.94 | 85,844 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,957 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,551 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,498 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,716 |
| Danube Countries | 0 | - | 4.97 | 72,576 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,835 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,995 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,482 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,954 |
| European Landlocked Countries | 0 | - | 4.99 | 147,797 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,566 |
| Countries with the Most Species | 0 | - | 4.99 | 103,657 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,979 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,670 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,936 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,691 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,148 |
| Countries in the Alps | 0 | - | 4.87 | 119,007 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,053 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,194 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,076 |
| Guerrillas by Country | 0 | - | 4.40 | 41,255 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,195 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,153 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,622 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,013 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,521 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,307 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,327 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,966 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,837 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,964 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,687 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,942 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,043 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,186 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,751 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,611 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,863 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,425 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,555 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,629 |
| Largest Countries By Category | 0 | - | 4.97 | 159,125 |
| Countries by Countries | 0 | - | 4.97 | 63,823 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,479 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,452 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,712 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,802 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,525 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,575 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,250 |
| Countries by Net Migration | 0 | - | 4.52 | 84,326 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,839 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,600 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,029 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,902 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,661 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,272 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,463 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,674 |
| Longest International Borders | 0 | - | 4.99 | 266,034 |
| Countries with Three Borders | 0 | - | 4.96 | 36,841 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,435 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,584 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,419 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,720 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,063 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,216 |
| Demonym of Every Country | 0 | - | 4.90 | 61,659 |
| People Born on Islands | 0 | - | 4.39 | 53,089 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,412 |
| WWII Geography | 0 | - | 4.81 | 121,522 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,080 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,757 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,806 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,742 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,095 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,481 |
| Island Countries | 0 | - | 4.99 | 713,082 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,908 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,756 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,413 |
| Northernmost Countries | 0 | - | 4.99 | 364,697 |
| Countries of South America | 0 | - | 5.00 | 934,585 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,847 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,726 |
| "Land" Countries | 0 | - | 4.98 | 339,085 |
| Top World Languages | 0 | - | 4.92 | 831,524 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,834 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,785 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,165 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,560 |
| Countries with Megacities | 0 | - | 4.99 | 267,988 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,211 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,369 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,541 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,472 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,621 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,542 |
| Find the City #1 | 0 | - | 4.97 | 43,444 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,592 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,104 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,369 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,478 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,428 |
| Countries by Capital City | 0 | - | 5.00 | 69,673 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,193 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,373 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,984 |
| Moved Capital Cities | 0 | - | 4.96 | 74,744 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,872 |
| Countries by Official Language | 0 | - | 4.95 | 196,270 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,006 |
| Countries in their Native Language | 0 | - | 4.99 | 199,988 |
| Subdivisions by Country | 0 | - | 4.87 | 50,674 |
| Countries in World War I | 0 | - | 4.88 | 229,477 |
| Megadiverse Countries | 0 | - | 4.96 | 149,496 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,798 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,168 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,588 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,825 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,265 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,509 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,640 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,187 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,291 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,831 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,504 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,518 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,230 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,652 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,986 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,718 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,803 |
| World Map Quiz | 0 | - | 4.81 | 65,951 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,024 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,834 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 114,288 |
