| Countries of the World Quiz | 0 | - | 5.00 | 47,693,207 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,230 |
| Independence from Whom | 0 | - | 4.99 | 212,428 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,979 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,673 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,660 |
| Countries by Founding Story | 0 | - | 4.95 | 77,488 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,951 |
| Cities by Former Name | 0 | - | 4.83 | 91,848 |
| Recently Independent Countries | 0 | - | 4.98 | 159,651 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,382 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,756 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,481 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,111 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,613 |
| Countries by Former Name | 0 | - | 4.99 | 125,503 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,260 |
| Historical City to Country | 0 | - | 4.85 | 78,729 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,480 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,174 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,545 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,126 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,869 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,603 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,215 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,541 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,690 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,808 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,747 |
| Former Flags | 0 | - | 4.97 | 108,159 |
| World Currency Quiz | 0 | - | 4.92 | 305,182 |
| Boundary Waters | 0 | - | 4.92 | 88,648 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,320 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,428 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,977 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,751 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,733 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,481 |
| Ancient City to Country | 0 | - | 4.70 | 108,220 |
| City-States | 0 | - | 4.53 | 37,338 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,414 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,750 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,177 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,513 |
| Countries by Independence Day | 0 | - | 4.62 | 52,815 |
| Former Countries by Capital | 0 | - | 4.45 | 127,680 |
| Former Countries | 0 | - | 4.77 | 134,032 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,987 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,223 |
| Battle to Country | 0 | - | 4.91 | 53,683 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,025 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,812 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,353 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,770 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,742 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,963 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,262 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,348 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,506 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,291 |
| Cities by Airports | 0 | - | 4.47 | 103,436 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,216 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,442 |
| Landlocked Countries | 0 | - | 4.99 | 423,346 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 581,741 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,465 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,032 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,691 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,253 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,173 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,241 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,279 |
| WWII Geography | 0 | - | 4.81 | 120,717 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,795 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,164 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,628 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,656 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,801 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,141 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,428 |
| World Capitals Quiz | 0 | - | 5.00 | 5,091,836 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,150 |
| Himalayan Countries | 0 | - | 4.94 | 139,341 |
| Andean Countries | 0 | - | 4.94 | 84,941 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,163 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,326 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,730 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,043 |
| Danube Countries | 0 | - | 4.97 | 72,163 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,241 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,569 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,604 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,110 |
| European Landlocked Countries | 0 | - | 4.99 | 147,320 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,894 |
| Countries with the Most Species | 0 | - | 4.99 | 103,375 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,909 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,026 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,661 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,776 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,642 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,401 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,807 |
| Countries in the Alps | 0 | - | 4.87 | 118,422 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,199 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,904 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,354 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,779 |
| Guerrillas by Country | 0 | - | 4.40 | 41,184 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,759 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,668 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,067 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,858 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,637 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,268 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,240 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,988 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,738 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,611 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,803 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,351 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,600 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,672 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,252 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,435 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,971 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,289 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,685 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,516 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,335 |
| Largest Countries By Category | 0 | - | 4.97 | 158,468 |
| Countries by Countries | 0 | - | 4.96 | 63,393 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,919 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,333 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,602 |
| Merged Country Flags | 0 | - | 4.88 | 107,103 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,109 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,167 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,940 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,830 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,788,459 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,856 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,908 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,619 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,554 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,018 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,400 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,400 |
| Longest International Borders | 0 | - | 4.99 | 265,442 |
| Countries with Three Borders | 0 | - | 4.96 | 36,672 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,212 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,324 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,616 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,188 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,428 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,642 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 55,035 |
| All Modern-Day Countries Ever Controlled by Greeks | 0 | - | 4.98 | 54,447 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,110 |
| Demonym of Every Country | 0 | - | 4.90 | 61,038 |
| People Born on Islands | 0 | - | 4.39 | 52,996 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,814 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,594,082 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,952 |
| Island Countries | 0 | - | 4.99 | 711,563 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,707 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,553 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,678 |
| Northernmost Countries | 0 | - | 4.99 | 362,675 |
| Countries of South America | 0 | - | 5.00 | 929,302 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,355 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,727 |
| "Land" Countries | 0 | - | 4.98 | 337,731 |
| Top World Languages | 0 | - | 4.92 | 826,458 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,991 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,771 |
| Airline Logos | 0 | - | 4.45 | 141,157 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,635 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,060 |
| Countries in World War I | 0 | - | 4.88 | 228,682 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,635 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,274 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,963 |
| All Country Flags of the World | 0 | - | 5.00 | 3,691,873 |
| Foods of the World by Description | 0 | - | 4.18 | 46,083 |
| Singapore Airlines Destinations on a Map | 0 | - | 4.93 | 25,143 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,623 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,352 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,710 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,914 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,562 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,469 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,510 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,329 |
| Countries with Megacities | 0 | - | 4.99 | 265,550 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,125 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,691 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,388 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,761 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,737 |
