| Independence from Whom | 0 | - | 4.99 | 209,455 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,581 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,937 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,586 |
| Countries by Founding Story | 0 | - | 4.95 | 76,441 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,081 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,172 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,126 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,759 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,646 |
| Cities by Former Name | 0 | - | 4.84 | 90,865 |
| Recently Independent Countries | 0 | - | 4.98 | 157,860 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,300 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,864 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,565 |
| Countries by Former Name | 0 | - | 4.99 | 124,144 |
| Historical City to Country | 0 | - | 4.84 | 78,081 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,751 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,238 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,596 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,416 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,804 |
| Former Flags | 0 | - | 4.97 | 106,526 |
| Ancient City to Country | 0 | - | 4.70 | 107,552 |
| City-States | 0 | - | 4.53 | 37,069 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,458 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,936 |
| Landlocked Countries | 0 | - | 4.99 | 412,862 |
| Countries by Independence Day | 0 | - | 4.56 | 52,583 |
| Former Countries by Capital | 0 | - | 4.45 | 126,957 |
| Former Countries | 0 | - | 4.75 | 132,584 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,571 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,849,968 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,104 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,900 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,458 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,836 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,225 |
| Himalayan Countries | 0 | - | 4.95 | 135,046 |
| Andean Countries | 0 | - | 4.94 | 82,659 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,079 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,980 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,753 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,460 |
| Danube Countries | 0 | - | 4.97 | 70,992 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,635 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,452 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,287 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,193 |
| European Landlocked Countries | 0 | - | 4.99 | 145,664 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,048 |
| Countries with the Most Species | 0 | - | 4.99 | 95,185 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,188 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,333 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,907 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,510 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,864 |
| Countries in the Alps | 0 | - | 4.87 | 116,680 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,467 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,077 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,938 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,319 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,064 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,934 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,469 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,683 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,444 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,966 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,995 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,362 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,670 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,672 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,857 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,566 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,199 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,663 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,823 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,358 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,537 |
| Largest Countries By Category | 0 | - | 4.97 | 156,608 |
| Countries by Countries | 0 | - | 4.96 | 62,164 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,912 |
| Battle to Country | 0 | - | 4.91 | 52,431 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,209 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,931 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,133 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,379 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,000 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,651 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,627 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,456 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,477 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,211 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,402 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,130 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,541 |
| Longest International Borders | 0 | - | 4.99 | 263,362 |
| Countries with Three Borders | 0 | - | 4.96 | 36,130 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,550 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,602 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,753 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,289 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,231 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,981 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,829 |
| Demonym of Every Country | 0 | - | 4.91 | 58,564 |
| Cities by Founder and Date | 0 | - | 4.56 | 28,997 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,097 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,456 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,626 |
| Guerrillas by Country | 0 | - | 4.40 | 40,930 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,086 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,360 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,619 |
| Famous Immigrants and Exiles | 0 | - | 4.48 | 20,429 |
| People Born on Islands | 0 | - | 4.39 | 52,718 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,200 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,339 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 62,977 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,001 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,626 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,488 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,997 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,889 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,820 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,989 |
| Island Countries | 0 | - | 4.99 | 707,228 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,307 |
| Northernmost Countries | 0 | - | 4.99 | 357,234 |
| Countries of South America | 0 | - | 5.00 | 913,348 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,573 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,086 |
| "Land" Countries | 0 | - | 4.98 | 333,410 |
| Top World Languages | 0 | - | 4.92 | 811,928 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,703 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,097 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,122 |
| Globe Grid | 0 | - | 4.32 | 31,927 |
| WWII Geography | 0 | - | 4.81 | 119,253 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,255 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,373 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,855 |
| Countries with Megacities | 0 | - | 4.99 | 246,167 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,776 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,731 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,239 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,665 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,515 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,569 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,808 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,561 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,511 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,476 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,210 |
| Countries by Capital City | 0 | - | 5.00 | 66,454 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,221 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,806 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,335 |
| Moved Capital Cities | 0 | - | 4.96 | 73,507 |
| Countries by Official Language | 0 | - | 4.95 | 192,581 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,856 |
| Countries in their Native Language | 0 | - | 4.99 | 196,461 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Megadiverse Countries | 0 | - | 4.97 | 133,829 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,645 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,876 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,372 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,538 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,059 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,175 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,711 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,369 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,360 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,424 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,441 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,600 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,978 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,359,993 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,333 |
| World Map Quiz | 0 | - | 4.81 | 63,352 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,196 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,217 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,001 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,116 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,086 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,889 |
| Countries by Road Signs | 0 | - | 4.98 | 52,975 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,112 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,149 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,875 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,849 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,501 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,762 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,958 |
