| Independence from Whom | 0 | - | 4.99 | 213,384 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,641 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,922 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,270 |
| Countries by Founding Story | 0 | - | 4.95 | 77,902 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,216 |
| Cities by Former Name | 0 | - | 4.83 | 92,172 |
| Recently Independent Countries | 0 | - | 4.98 | 160,501 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,163 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,051 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,425 |
| Countries by Former Name | 0 | - | 4.99 | 125,961 |
| Historical City to Country | 0 | - | 4.85 | 79,095 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,331 |
| Boundary Waters | 0 | - | 4.92 | 88,831 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,824 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,539 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,059 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,078 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,165 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,724 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,737 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,851 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,972 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,311 |
| Former Flags | 0 | - | 4.97 | 108,802 |
| Ancient City to Country | 0 | - | 4.72 | 108,397 |
| City-States | 0 | - | 4.53 | 37,435 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,857 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,351 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,679 |
| Countries by Independence Day | 0 | - | 4.62 | 52,875 |
| Former Countries by Capital | 0 | - | 4.45 | 127,886 |
| Former Countries | 0 | - | 4.77 | 134,314 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,962,252 |
| Landlocked Countries | 0 | - | 4.99 | 427,175 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,590 |
| Battle to Country | 0 | - | 4.91 | 54,095 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,669 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,283 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,975 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,527 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,961 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,972 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,997 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,707 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,987 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,507 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,150 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,182 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,289 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,786 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,125 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,877 |
| Himalayan Countries | 0 | - | 4.93 | 140,788 |
| Andean Countries | 0 | - | 4.94 | 85,778 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,904 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,469 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,454 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,677 |
| Danube Countries | 0 | - | 4.97 | 72,536 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,788 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,969 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,424 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,897 |
| European Landlocked Countries | 0 | - | 4.99 | 147,730 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,525 |
| Countries with the Most Species | 0 | - | 4.99 | 103,641 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,973 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,628 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,951 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,918 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,671 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,122 |
| Countries in the Alps | 0 | - | 4.87 | 118,957 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,968 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,109 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,050 |
| Guerrillas by Country | 0 | - | 4.40 | 41,249 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,165 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,118 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,384 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,579 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,985 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,508 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,301 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,306 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,949 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,825 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,946 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,664 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,915 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,014 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,130 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,726 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,387 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,830 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,261 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,472 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,607 |
| Largest Countries By Category | 0 | - | 4.97 | 159,073 |
| Countries by Countries | 0 | - | 4.97 | 63,796 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,421 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,445 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,704 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,776 |
| Merged Country Flags | 0 | - | 4.88 | 107,482 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,392 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,544 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,218 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,778 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,571 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,022 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,879 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,653 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,246 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,382 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,648 |
| Longest International Borders | 0 | - | 4.99 | 265,988 |
| Countries with Three Borders | 0 | - | 4.96 | 36,827 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,418 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,560 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,778 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,398 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,682 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,013 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,209 |
| Demonym of Every Country | 0 | - | 4.90 | 61,630 |
| People Born on Islands | 0 | - | 4.39 | 53,082 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,405 |
| WWII Geography | 0 | - | 4.81 | 121,491 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,067 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,217 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,740 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,529 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,060 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,022 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,307 |
| Island Countries | 0 | - | 4.99 | 712,975 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,897 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,748 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,067 |
| Northernmost Countries | 0 | - | 4.99 | 364,563 |
| Countries of South America | 0 | - | 5.00 | 934,139 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,353 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,748 |
| "Land" Countries | 0 | - | 4.98 | 338,961 |
| Which Country Does Not Border... | 0 | - | 4.78 | 94,005 |
| Top World Languages | 0 | - | 4.92 | 831,140 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,820 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,496 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,781 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,995 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,772 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,123 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,473 |
| Countries with Megacities | 0 | - | 4.99 | 267,796 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,124 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,328 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,456 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,423 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,078 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,619 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,494 |
| Find the City #1 | 0 | - | 4.97 | 43,427 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,540 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,078 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,335 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,420 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,359 |
| Countries by Capital City | 0 | - | 5.00 | 69,605 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,126 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,347 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,950 |
| Moved Capital Cities | 0 | - | 4.96 | 74,729 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,859 |
| Countries by Official Language | 0 | - | 4.95 | 196,201 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,922 |
| Countries in their Native Language | 0 | - | 4.99 | 199,948 |
| Subdivisions by Country | 0 | - | 4.87 | 50,664 |
| Countries in World War I | 0 | - | 4.88 | 229,405 |
| Megadiverse Countries | 0 | - | 4.96 | 148,863 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,397 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,125 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,573 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,800 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,257 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,454 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,621 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,161 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,284 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,747 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,481 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,502 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,216 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,634 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,960 |
