| Countries of the World Quiz | 0 | - | 5.00 | 47,260,807 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,574 |
| Independence from Whom | 0 | - | 4.99 | 211,114 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,552 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,311 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,815 |
| Countries by Founding Story | 0 | - | 4.95 | 76,983 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,530 |
| Cities by Former Name | 0 | - | 4.84 | 91,357 |
| Recently Independent Countries | 0 | - | 4.98 | 158,816 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,426 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,398 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,397 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,504 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,163 |
| Countries by Former Name | 0 | - | 4.99 | 124,825 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,911 |
| Historical City to Country | 0 | - | 4.84 | 78,388 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,549 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,919 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,187 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,762 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,203 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,428 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,362 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,016 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,228 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 52,984 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,131 |
| Former Flags | 0 | - | 4.97 | 107,371 |
| World Currency Quiz | 0 | - | 4.91 | 301,367 |
| Boundary Waters | 0 | - | 4.92 | 88,331 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,043 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,804 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,031 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,264 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,187 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,747 |
| Ancient City to Country | 0 | - | 4.70 | 107,876 |
| City-States | 0 | - | 4.53 | 37,209 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,041 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,606 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,066 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,363 |
| Countries by Independence Day | 0 | - | 4.61 | 52,698 |
| Former Countries by Capital | 0 | - | 4.45 | 127,312 |
| Former Countries | 0 | - | 4.75 | 133,081 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,600 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,562 |
| Battle to Country | 0 | - | 4.91 | 53,062 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,554 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,513 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,919 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,070 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,276 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,745 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 76,021 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,162 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,624 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,512 |
| Cities by Airports | 0 | - | 4.49 | 88,602 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,105 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,310 |
| Landlocked Countries | 0 | - | 4.99 | 417,923 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 565,440 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,035 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,834 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,691 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,812 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,511 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,094 |
| WWII Geography | 0 | - | 4.81 | 120,041 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,458 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,517 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,525 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,751 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,438 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,083 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,262 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,002 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,494 |
| Himalayan Countries | 0 | - | 4.94 | 136,993 |
| Andean Countries | 0 | - | 4.95 | 83,718 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,963 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,318 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,638 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,212 |
| Danube Countries | 0 | - | 4.97 | 71,553 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,395 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,967 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,455 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,513 |
| European Landlocked Countries | 0 | - | 4.99 | 146,574 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,981 |
| Countries with the Most Species | 0 | - | 4.99 | 102,688 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,766 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,118 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,384 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,553 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,241 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,904 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,290 |
| Countries in the Alps | 0 | - | 4.86 | 117,533 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,977 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,028 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,170 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,351 |
| Guerrillas by Country | 0 | - | 4.40 | 41,057 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,875 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,983 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,377 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,147 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,100 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,905 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,162 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,467 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,428 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,287 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,591 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,843 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,109 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,135 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,982 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,987 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,514 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,393 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,789 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,965 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,919 |
| Largest Countries By Category | 0 | - | 4.97 | 157,475 |
| Countries by Countries | 0 | - | 4.96 | 62,746 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,063 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,126 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,449 |
| Merged Country Flags | 0 | - | 4.88 | 106,485 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,168 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,549 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,437 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,229 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,750,116 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,267 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,708 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,150 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,366 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,678 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,850 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,002 |
| Longest International Borders | 0 | - | 4.99 | 264,506 |
| Countries with Three Borders | 0 | - | 4.96 | 36,406 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,859 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,951 |
| Famous Immigrants and Exiles | 0 | - | 4.45 | 23,249 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,464 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,844 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,000 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,625 |
| All Modern-Day Countries Ever Controlled by Greeks | 0 | - | 4.97 | 53,870 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,979 |
| Demonym of Every Country | 0 | - | 4.91 | 59,058 |
| People Born on Islands | 0 | - | 4.39 | 52,855 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,065 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,828 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,315 |
| Island Countries | 0 | - | 4.99 | 709,330 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 45,385 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,254 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,918 |
| Northernmost Countries | 0 | - | 4.99 | 360,014 |
| Countries of South America | 0 | - | 5.00 | 921,591 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,386 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,179 |
| "Land" Countries | 0 | - | 4.98 | 335,527 |
| Top World Languages | 0 | - | 4.92 | 819,075 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,620 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,704 |
| Airline Logos | 0 | - | 4.45 | 140,432 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,291 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,791 |
| Countries in World War I | 0 | - | 4.88 | 227,696 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,557 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,450 |
| Europe Map Quiz | 0 | - | 5.00 | 4,751,486 |
| All Country Flags of the World | 0 | - | 5.00 | 3,641,057 |
| Foods of the World by Description | 0 | - | 4.18 | 45,992 |
| Singapore Airlines Destinations on a Map | 0 | - | 4.95 | 24,572 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,311 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,274 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,047 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,622 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,296 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,864 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,360 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,677 |
| Countries with Megacities | 0 | - | 4.99 | 249,766 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,515 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,785 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,842 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,768 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,147 |
