| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,497 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,552 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,064 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,663 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,361 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,564 |
| Random European Capital to Country | 0 | - | 4.98 | 190,666 |
| Random European Country to Capital | 0 | - | 4.93 | 164,741 |
| Europe Capital to Country | 0 | - | 4.99 | 249,635 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,625 |
| European Capitals by Map | 0 | - | 4.99 | 138,651 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,911 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,263 |
| European Coastal Capitals | 0 | - | 4.95 | 90,413 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,618 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,693 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,925 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,105 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,865 |
| Official Cities in the UK | 0 | - | 4.89 | 283,156 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,915 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,028 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,091 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,194 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,066 |
| Countries with Megacities | 0 | - | 4.99 | 260,681 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,929 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,016 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,201 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,026 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,959 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,009 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,965 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,110 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,117 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,067 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,482 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,783 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,913 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,453 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,298 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,617 |
| Random African Capital to Country | 0 | - | 4.97 | 100,517 |
| Random African Country to Capital | 0 | - | 4.94 | 71,103 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,747 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,569 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,458 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,695 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,283 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,385 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,941 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,529 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,524 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,981 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,256 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,947 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,967 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,429 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,239 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,576 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,520 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,698 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,809 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 61,779 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,404 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,901 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,933 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,599 |
| Name a City - European Countries | 0 | - | 4.90 | 65,220 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,071 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,264 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,364 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,928 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,534 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,041 |
| Cities in European History #1 | 0 | - | 4.63 | 133,826 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,504 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,419 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,804 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,221 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,512 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,249 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,737 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,991 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,184 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,830 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,070 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,051 |
| Largest City by Island | 0 | - | 4.87 | 71,699 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,800 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,697 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,274 |
| Megacities on a World Map | 0 | - | 4.98 | 253,522 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,142 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,228 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,728 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,272 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,675 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,679 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,145 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,380 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,376 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,105 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,778 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,123 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,099 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,532 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,171 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,454 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,095 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,451 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,856 |
| Asia Capital to Country | 0 | - | 4.96 | 126,496 |
| African Capitals by Map | 0 | - | 4.99 | 133,406 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,104 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,510 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,294 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,752 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,840 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,806 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,934 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,831 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,395 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.69 | 64,793 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,469 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,122 |
| Most Populous Islands | 0 | - | 4.80 | 122,807 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,279 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,510 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,773 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,823 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,062 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,144 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,730 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,323 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,918 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,678 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,906 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,139 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,823 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,603 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,472 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,394 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,215 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,378 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,540 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,180 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,271 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,721 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,307 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,084 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,125 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,072 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,081 |
| Capitals of the Stans | 0 | - | 4.95 | 26,762 |
| Boundary Waters | 0 | - | 4.92 | 88,385 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,091 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,927 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,201 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,353 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,283 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,338 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,802 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,410 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,546 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,545 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,578 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,919 |
| UK Immigration by Country | 0 | - | 4.94 | 140,720 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,358 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,777 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,332 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,067 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,509 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,275 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,535 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,412 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,050 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,562 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,924 |
| Biggest City by Region | 0 | - | 4.50 | 36,128 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,057 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,957 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,156 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,330 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,171 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,372 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,924 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,832 |
| Boroughs of London | 0 | - | 4.63 | 87,716 |
| London Geography | 0 | - | 4.47 | 59,635 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,343,264 |
| Landlocked Countries | 0 | - | 4.99 | 419,088 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,388 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,430 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,077 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,064 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,080 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,161 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,242 |
