| Independence from Whom | 0 | - | 4.99 | 212,070 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,715 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,593 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,456 |
| Countries by Founding Story | 0 | - | 4.95 | 77,360 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,847 |
| Cities by Former Name | 0 | - | 4.83 | 91,701 |
| Recently Independent Countries | 0 | - | 4.98 | 159,461 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,217 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,702 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,271 |
| Countries by Former Name | 0 | - | 4.99 | 125,323 |
| Historical City to Country | 0 | - | 4.84 | 78,627 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,022 |
| Boundary Waters | 0 | - | 4.92 | 88,565 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,243 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,258 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,696 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,593 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,564 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,747 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,563 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,002 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,405 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,565 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,597 |
| Former Flags | 0 | - | 4.97 | 107,952 |
| Ancient City to Country | 0 | - | 4.70 | 108,128 |
| City-States | 0 | - | 4.53 | 37,304 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,714 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,146 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,470 |
| Countries by Independence Day | 0 | - | 4.61 | 52,774 |
| Former Countries by Capital | 0 | - | 4.45 | 127,583 |
| United States Immigration by Country | 0 | - | 4.69 | 161,070 |
| Former Countries | 0 | - | 4.75 | 133,906 |
| Countries With the Most Expats | 0 | - | 4.69 | 49,545 |
| Countries with the Most Immigrants per Capita | 0 | - | 4.53 | 62,483 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,576,631 |
| Landlocked Countries | 0 | - | 4.99 | 421,883 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,032 |
| Battle to Country | 0 | - | 4.91 | 53,499 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 576,601 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,909 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,698 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,210 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,046 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,287 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,702 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,010 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,402 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,410 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,128 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,182 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,385 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,781 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,399 |
| Himalayan Countries | 0 | - | 4.95 | 138,677 |
| Andean Countries | 0 | - | 4.93 | 84,584 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,778 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,785 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,403 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,791 |
| Danube Countries | 0 | - | 4.97 | 71,998 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,003 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,417 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,286 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,766 |
| European Landlocked Countries | 0 | - | 4.99 | 147,137 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,623 |
| Countries with the Most Species | 0 | - | 4.99 | 103,239 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,864 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,751 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,588 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,721 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,538 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,220 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,653 |
| Countries in the Alps | 0 | - | 4.87 | 118,194 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,065 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,019 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,638 |
| Guerrillas by Country | 0 | - | 4.40 | 41,148 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,592 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,501 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,944 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,666 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,484 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,175 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,222 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,835 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,648 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,521 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,744 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,216 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,463 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,513 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,887 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,303 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,674 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,057 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,888 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,078 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,223 |
| Largest Countries By Category | 0 | - | 4.97 | 158,198 |
| Countries by Countries | 0 | - | 4.96 | 63,216 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,672 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,283 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,565 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,358 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,557 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,014 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,672 |
| Countries by Net Migration | 0 | - | 4.52 | 83,966 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,111 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,698 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,857 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,497 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,497 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,911 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,982 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,285 |
| Longest International Borders | 0 | - | 4.99 | 265,193 |
| Countries with Three Borders | 0 | - | 4.96 | 36,610 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,123 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,222 |
| Roman Provinces on a Map | 0 | - | 4.54 | 37,039 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,063 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,944 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,067 |
| Demonym of Every Country | 0 | - | 4.91 | 60,687 |
| People Born on Islands | 0 | - | 4.39 | 52,966 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,333 |
| WWII Geography | 0 | - | 4.81 | 120,535 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,832 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,494 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,514 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,293 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,484 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,154 |
| Island Countries | 0 | - | 4.99 | 711,017 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,624 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,473 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,762 |
| Northernmost Countries | 0 | - | 4.99 | 361,925 |
| Countries of South America | 0 | - | 5.00 | 927,249 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,708 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,999 |
| "Land" Countries | 0 | - | 4.98 | 337,314 |
| Top World Languages | 0 | - | 4.92 | 824,118 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,536 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,447 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,549 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,866 |
| Countries with Megacities | 0 | - | 4.99 | 264,489 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,720 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,457 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,978 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,522 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,579 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,426 |
| Find the City #1 | 0 | - | 4.97 | 42,932 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,512 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,533 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,657 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,466 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,280 |
| Countries by Capital City | 0 | - | 5.00 | 68,602 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,356 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,793 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,384 |
| Moved Capital Cities | 0 | - | 4.96 | 74,327 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,625 |
| Countries by Official Language | 0 | - | 4.95 | 195,235 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,349 |
| Countries in their Native Language | 0 | - | 4.99 | 199,029 |
| Subdivisions by Country | 0 | - | 4.86 | 50,429 |
| Countries in World War I | 0 | - | 4.88 | 228,426 |
| Megadiverse Countries | 0 | - | 4.96 | 135,004 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,324 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,068 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,345 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,232 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,097 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,132 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,029 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,652 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,144 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,656 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,872 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,196 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,959 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,344 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,493 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,473 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,155 |
| World Map Quiz | 0 | - | 4.81 | 65,066 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,248 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,343 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 112,962 |
