| Independence from Whom | 0 | - | 4.99 | 213,418 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,673 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,289 |
| Countries by Founding Story | 0 | - | 4.95 | 77,913 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,226 |
| Boundary Waters | 0 | - | 4.92 | 88,840 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,469 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,847 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,570 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,064 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,088 |
| Cities by Former Name | 0 | - | 4.83 | 92,183 |
| Recently Independent Countries | 0 | - | 4.98 | 160,518 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,177 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,091 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,487 |
| Countries by Former Name | 0 | - | 4.99 | 125,980 |
| Historical City to Country | 0 | - | 4.85 | 79,102 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,182 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,725 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,765 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,859 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,981 |
| Former Flags | 0 | - | 4.97 | 108,825 |
| 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 | 427,289 |
| Countries by Independence Day | 0 | - | 4.62 | 52,881 |
| Former Countries by Capital | 0 | - | 4.45 | 127,895 |
| Former Countries | 0 | - | 4.77 | 134,321 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,987 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,973,059 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,996 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,518 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,173 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,193 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,937 |
| Himalayan Countries | 0 | - | 4.93 | 140,848 |
| Andean Countries | 0 | - | 4.94 | 85,811 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,927 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,501 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,470 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,698 |
| Danube Countries | 0 | - | 4.97 | 72,564 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,805 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,975 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,452 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,924 |
| European Landlocked Countries | 0 | - | 4.99 | 147,769 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,544 |
| Countries with the Most Species | 0 | - | 4.99 | 103,652 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,647 |
| 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 | 59,927 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,682 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,139 |
| Countries in the Alps | 0 | - | 4.87 | 118,982 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,007 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,139 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,056 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,175 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,132 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,395 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,601 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,996 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,517 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,316 |
| 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 | 104,679 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,927 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,024 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,155 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,739 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,491 |
| 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 | 246,327 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,505 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,620 |
| Largest Countries By Category | 0 | - | 4.97 | 159,101 |
| Countries by Countries | 0 | - | 4.97 | 63,813 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,605 |
| Battle to Country | 0 | - | 4.91 | 54,111 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,455 |
| 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 | 111,452 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,555 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,236 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,584 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,027 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,888 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,657 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,264 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,421 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,663 |
| Longest International Borders | 0 | - | 4.99 | 266,004 |
| Countries with Three Borders | 0 | - | 4.96 | 36,833 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,429 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,572 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,551 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,025 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,001 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,009 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,213 |
| Demonym of Every Country | 0 | - | 4.90 | 61,644 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,793 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,100 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,974 |
| Guerrillas by Country | 0 | - | 4.40 | 41,252 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,303 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,957 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,778 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,780 |
| People Born on Islands | 0 | - | 4.39 | 53,085 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,407 |
| 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 | 43,781 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,410 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,645 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,375 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,054 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,386 |
| Island Countries | 0 | - | 4.99 | 713,030 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,219 |
| Northernmost Countries | 0 | - | 4.99 | 364,613 |
| Countries of South America | 0 | - | 5.00 | 934,337 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,598 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,196 |
| "Land" Countries | 0 | - | 4.98 | 339,011 |
| Top World Languages | 0 | - | 4.92 | 831,328 |
| 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 | 32,049 |
| WWII Geography | 0 | - | 4.81 | 121,507 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,230 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,145 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,513 |
| Countries with Megacities | 0 | - | 4.99 | 267,883 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,168 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,345 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,493 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,446 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,621 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,520 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,563 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,087 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,353 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,448 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,392 |
| Countries by Capital City | 0 | - | 5.00 | 69,635 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,157 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,363 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,963 |
| Moved Capital Cities | 0 | - | 4.96 | 74,737 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,866 |
| Countries by Official Language | 0 | - | 4.95 | 196,233 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,957 |
| Countries in their Native Language | 0 | - | 4.99 | 199,965 |
| Subdivisions by Country | 0 | - | 4.87 | 50,669 |
| Megadiverse Countries | 0 | - | 4.96 | 149,150 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,142 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,583 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,812 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,260 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,481 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,629 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,171 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,288 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,784 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,491 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,510 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,220 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,643 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,981 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,207 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,746 |
| World Map Quiz | 0 | - | 4.81 | 65,931 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,911 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,821 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,739 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,638 |
| 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 | 33,753 |
| Countries by Road Signs | 0 | - | 4.98 | 54,453 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,984 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,527 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,240 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,711 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,947 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,558 |
