| Independence from Whom | 0 | - | 4.99 | 209,611 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,694 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,981 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,866 |
| Countries by Founding Story | 0 | - | 4.95 | 76,499 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,128 |
| Boundary Waters | 0 | - | 4.92 | 88,026 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,241 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,238 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,813 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,708 |
| Cities by Former Name | 0 | - | 4.84 | 90,938 |
| Recently Independent Countries | 0 | - | 4.98 | 157,949 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,444 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,072 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,777 |
| Countries by Former Name | 0 | - | 4.99 | 124,251 |
| Historical City to Country | 0 | - | 4.84 | 78,115 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,821 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,264 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,682 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,486 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,847 |
| Former Flags | 0 | - | 4.97 | 106,638 |
| Ancient City to Country | 0 | - | 4.70 | 107,593 |
| City-States | 0 | - | 4.53 | 37,089 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,475 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,956 |
| Landlocked Countries | 0 | - | 4.99 | 413,331 |
| Countries by Independence Day | 0 | - | 4.56 | 52,596 |
| Former Countries by Capital | 0 | - | 4.45 | 127,028 |
| Former Countries | 0 | - | 4.75 | 132,667 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,247 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,896,373 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,145 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,967 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,557 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,908 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,462 |
| Himalayan Countries | 0 | - | 4.95 | 135,248 |
| Andean Countries | 0 | - | 4.94 | 82,769 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,181 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,120 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,851 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,557 |
| Danube Countries | 0 | - | 4.97 | 71,054 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,718 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,507 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,405 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,333 |
| European Landlocked Countries | 0 | - | 4.99 | 145,721 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,156 |
| Countries with the Most Species | 0 | - | 4.99 | 95,229 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,296 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,943 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,553 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,924 |
| Countries in the Alps | 0 | - | 4.86 | 116,775 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,529 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,196 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,987 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,393 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,117 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,972 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,537 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,728 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,138 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,027 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,185 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,026 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,422 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,715 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,727 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,007 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,616 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,240 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,739 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,118 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,546 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,577 |
| Largest Countries By Category | 0 | - | 4.97 | 156,706 |
| Countries by Countries | 0 | - | 4.96 | 62,232 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,996 |
| Battle to Country | 0 | - | 4.91 | 52,494 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,332 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,953 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,319 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,173 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,571 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,078 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,729 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,681 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,475 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,529 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,224 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,430 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,328 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,599 |
| Longest International Borders | 0 | - | 4.99 | 263,495 |
| Countries with Three Borders | 0 | - | 4.96 | 36,168 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,587 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,646 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,890 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,379 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,339 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,066 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,849 |
| Demonym of Every Country | 0 | - | 4.91 | 58,617 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,007 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,120 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,616 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,639 |
| Guerrillas by Country | 0 | - | 4.40 | 40,943 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,093 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,391 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,098 |
| Famous Immigrants and Exiles | 0 | - | 4.48 | 20,433 |
| People Born on Islands | 0 | - | 4.39 | 52,740 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,205 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,379 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,008 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,010 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,676 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,542 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,504 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,374 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,027 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,657 |
| Island Countries | 0 | - | 4.99 | 707,503 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,089 |
| Northernmost Countries | 0 | - | 4.99 | 357,563 |
| Countries of South America | 0 | - | 5.00 | 914,227 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,838 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,299 |
| "Land" Countries | 0 | - | 4.98 | 333,565 |
| Top World Languages | 0 | - | 4.92 | 812,759 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,830 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,208 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,156 |
| Globe Grid | 0 | - | 4.32 | 31,931 |
| WWII Geography | 0 | - | 4.81 | 119,314 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,304 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,454 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,011 |
| Countries with Megacities | 0 | - | 4.99 | 246,560 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,933 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,811 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,381 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,522 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,704 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,894 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,620 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,574 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,563 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,364 |
| Countries by Capital City | 0 | - | 5.00 | 66,574 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,292 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,872 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,393 |
| Moved Capital Cities | 0 | - | 4.96 | 73,560 |
| Countries by Official Language | 0 | - | 4.95 | 192,710 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,044 |
| Countries in their Native Language | 0 | - | 4.99 | 196,569 |
| Subdivisions by Country | 0 | - | 4.86 | 50,053 |
| Megadiverse Countries | 0 | - | 4.97 | 133,867 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,742 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,904 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,408 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,614 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,123 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,204 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,734 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,510 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,400 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,476 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,647 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,005 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,522 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,507 |
| World Map Quiz | 0 | - | 4.81 | 63,461 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,499 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,295 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,070 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,387 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,128 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,927 |
| Countries by Road Signs | 0 | - | 4.98 | 53,072 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,218 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,276 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,948 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,910 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,652 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,824 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,031 |
