| Independence from Whom | 0 | - | 4.99 | 213,415 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,671 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,285 |
| Countries by Founding Story | 0 | - | 4.95 | 77,910 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,224 |
| Boundary Waters | 0 | - | 4.92 | 88,836 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,468 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,843 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,565 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,062 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,087 |
| Cities by Former Name | 0 | - | 4.83 | 92,181 |
| Recently Independent Countries | 0 | - | 4.98 | 160,516 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,173 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,084 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,479 |
| Countries by Former Name | 0 | - | 4.99 | 125,977 |
| Historical City to Country | 0 | - | 4.85 | 79,101 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,180 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,725 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,755 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,858 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,981 |
| Former Flags | 0 | - | 4.97 | 108,823 |
| Ancient City to Country | 0 | - | 4.72 | 108,400 |
| City-States | 0 | - | 4.53 | 37,437 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,859 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,356 |
| Landlocked Countries | 0 | - | 4.99 | 427,266 |
| Countries by Independence Day | 0 | - | 4.62 | 52,881 |
| Former Countries by Capital | 0 | - | 4.45 | 127,893 |
| Former Countries | 0 | - | 4.77 | 134,320 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,945 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,971,087 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,994 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,516 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,172 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,191 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,926 |
| Himalayan Countries | 0 | - | 4.93 | 140,838 |
| Andean Countries | 0 | - | 4.94 | 85,805 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,923 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,495 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,470 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,694 |
| Danube Countries | 0 | - | 4.97 | 72,562 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,803 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,973 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,449 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,921 |
| European Landlocked Countries | 0 | - | 4.99 | 147,743 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,541 |
| Countries with the Most Species | 0 | - | 4.99 | 103,651 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,640 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,815 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,953 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,926 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,681 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,135 |
| Countries in the Alps | 0 | - | 4.87 | 118,980 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,001 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,136 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,055 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,172 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,128 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,393 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,600 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,994 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,515 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,315 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,954 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,831 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,677 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,926 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,023 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,152 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,737 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,478 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,844 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,315 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,499 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,619 |
| Largest Countries By Category | 0 | - | 4.97 | 159,099 |
| Countries by Countries | 0 | - | 4.97 | 63,811 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,603 |
| Battle to Country | 0 | - | 4.91 | 54,110 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,448 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,451 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,705 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,292 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,447 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,554 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,235 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,582 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,027 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,887 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,656 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,261 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,413 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,659 |
| Longest International Borders | 0 | - | 4.99 | 266,003 |
| Countries with Three Borders | 0 | - | 4.96 | 36,830 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,426 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,571 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,546 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,020 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,995 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,007 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,212 |
| Demonym of Every Country | 0 | - | 4.90 | 61,638 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,792 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,934 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,973 |
| Guerrillas by Country | 0 | - | 4.40 | 41,252 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,303 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,955 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,621 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,780 |
| People Born on Islands | 0 | - | 4.39 | 53,084 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,406 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,068 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,746 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,289 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,779 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,408 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,634 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,312 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,045 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,371 |
| Island Countries | 0 | - | 4.99 | 713,016 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,188 |
| Northernmost Countries | 0 | - | 4.99 | 364,604 |
| Countries of South America | 0 | - | 5.00 | 934,315 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,561 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,093 |
| "Land" Countries | 0 | - | 4.98 | 338,999 |
| Top World Languages | 0 | - | 4.92 | 831,297 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,701 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,030 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,777 |
| Globe Grid | 0 | - | 4.32 | 32,048 |
| WWII Geography | 0 | - | 4.81 | 121,503 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,230 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,142 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,507 |
| Countries with Megacities | 0 | - | 4.99 | 267,868 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,160 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,343 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,482 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,443 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,621 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,512 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,561 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,086 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,350 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,441 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,381 |
| Countries by Capital City | 0 | - | 5.00 | 69,632 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,150 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,359 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,963 |
| Moved Capital Cities | 0 | - | 4.96 | 74,735 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,863 |
| Countries by Official Language | 0 | - | 4.95 | 196,226 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,951 |
| Countries in their Native Language | 0 | - | 4.99 | 199,964 |
| Subdivisions by Country | 0 | - | 4.87 | 50,668 |
| Megadiverse Countries | 0 | - | 4.96 | 149,098 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,140 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,578 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,810 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,260 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,476 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,626 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,167 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,288 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,777 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,489 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,509 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,219 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,642 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,980 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,098 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,740 |
| World Map Quiz | 0 | - | 4.81 | 65,930 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,904 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,818 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,732 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,624 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,903 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,751 |
| Countries by Road Signs | 0 | - | 4.98 | 54,451 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,980 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,519 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,236 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,710 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,936 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,557 |
