| Cities with the Most Opera Performances | 0 | - | 4.55 | 34,702 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,158 |
| Independence from Whom | 0 | - | 4.99 | 209,544 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,628 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,955 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,631 |
| Countries by Founding Story | 0 | - | 4.95 | 76,470 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,110 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,093 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,312 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,433 |
| Cities by Former Name | 0 | - | 4.84 | 90,896 |
| Countries by National Anthem | 0 | - | 4.92 | 71,002 |
| Recently Independent Countries | 0 | - | 4.98 | 157,905 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,372 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,984 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,666 |
| Countries by Former Name | 0 | - | 4.99 | 124,195 |
| Historical City to Country | 0 | - | 4.84 | 78,099 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,824 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,787 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,248 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,643 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,446 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,833 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,208 |
| Former Flags | 0 | - | 4.97 | 106,568 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,430 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,091 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,754 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,952 |
| Battle to Country | 0 | - | 4.91 | 52,464 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,154 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,242 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,573 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 59,851 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,827 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,330 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,288 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,024 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,372 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,945 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 56,753 |
| Ancient City to Country | 0 | - | 4.70 | 107,576 |
| City-States | 0 | - | 4.53 | 37,080 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,469 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,947 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,211 |
| Countries by Independence Day | 0 | - | 4.56 | 52,587 |
| Former Countries by Capital | 0 | - | 4.45 | 126,988 |
| Former Countries | 0 | - | 4.75 | 132,613 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,150 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,336 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,498 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,712 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,682 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 33,817 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,747 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,077 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,512 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,237 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,505 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,463 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,740 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,557 |
| Countries Loading in the World Map | 0 | - | 4.97 | 53,227 |
| Departments of France | 0 | - | 4.93 | 52,710 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,681 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,753 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,143 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,037 |
| Boundary Waters | 0 | - | 4.92 | 88,014 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| WWII Geography | 0 | - | 4.81 | 119,285 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,207 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,181 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,789 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,678 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,392 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,474 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,006 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,859 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,873,738 |
| Landlocked Countries | 0 | - | 4.99 | 413,109 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,549 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,474 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,414 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,654 |
| Random Point on Land to European Country | 0 | - | 4.93 | 75,985 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,283 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,239 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,722 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,484 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,762 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,185 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,522 |
| US States with an Empty Map | 0 | - | 5.00 | 618,349 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,124 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,933 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,505 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,871 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,097 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,002 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,112 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,702 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,359 |
| Himalayan Countries | 0 | - | 4.95 | 135,144 |
| Andean Countries | 0 | - | 4.94 | 82,719 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,140 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,063 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,807 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,508 |
| Countries in World War I | 0 | - | 4.88 | 226,500 |
| Danube Countries | 0 | - | 4.97 | 71,024 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,684 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,479 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,345 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,268 |
| European Landlocked Countries | 0 | - | 4.99 | 145,693 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,100 |
| Countries with the Most Species | 0 | - | 4.99 | 95,210 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,300 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,633 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,251 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,185 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,344 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,924 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,736 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,138 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,964 |
| Guerrillas by Country | 0 | - | 4.40 | 40,937 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,358 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,092 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,952 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,504 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,708 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,786 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,090 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,001 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,375 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,700 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,943 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,587 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,215 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,715 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,969 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,456 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,561 |
| Largest Countries By Category | 0 | - | 4.97 | 156,665 |
| Countries by Countries | 0 | - | 4.96 | 62,197 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,283 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,943 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,310 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,451 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,358 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,113 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 32,912 |
| Merged Country Flags | 0 | - | 4.88 | 105,948 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,488 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,036 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,002 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,697 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,822 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,656 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,469 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,503 |
| Singapore Airlines Destinations on a Map | 0 | - | 4.96 | 24,023 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,222 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,497 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,414 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,433 |
| Rivers of the United States | 0 | - | 4.93 | 65,446 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,230 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,574 |
| Longest International Borders | 0 | - | 4.99 | 263,422 |
| Countries with Three Borders | 0 | - | 4.96 | 36,149 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,574 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,626 |
| Famous Immigrants and Exiles | 0 | - | 4.48 | 20,430 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,903 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,844 |
| Demonym of Every Country | 0 | - | 4.91 | 58,591 |
| People Born on Islands | 0 | - | 4.39 | 52,735 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,291 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,130 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,736 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,924 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,215 |
| Island Countries | 0 | - | 4.99 | 707,371 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,747 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,726 |
| Northernmost Countries | 0 | - | 4.99 | 357,406 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,876 |
