| Countries of Europe by Population | 0 | - | 4.98 | 182,340 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,968 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,718 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,355 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,674 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,740 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,056 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,733 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,753 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,395 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,482 |
| Countries with Megacities | 0 | - | 4.99 | 265,944 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,277 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,764 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,533 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,881 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,481 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,800 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,613 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,951 |
| Random European Capital to Country | 0 | - | 4.98 | 191,840 |
| Random European Country to Capital | 0 | - | 4.93 | 165,667 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,878 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,270 |
| Random African Capital to Country | 0 | - | 4.97 | 101,146 |
| Random African Country to Capital | 0 | - | 4.94 | 71,611 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,279 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,138 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,640 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,450 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,742 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,000 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,413 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,703 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,609 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,795 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,197 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,014 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,546 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,075 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,810 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,720 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,467 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,530 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,058 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,187 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,858 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,475 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,496 |
| Name a City - European Countries | 0 | - | 4.90 | 65,951 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,065 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,124 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,398 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,355 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,188 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,150 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,968 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,348 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,821 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,057 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,445 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,565 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,706 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,097 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,370 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,398 |
| Largest City by Island | 0 | - | 4.87 | 72,271 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,316 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,496 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,987 |
| Megacities on a World Map | 0 | - | 4.98 | 256,201 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,842 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,656 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,464 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,775 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,162 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,031 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,415 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,558 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,717 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,406 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,084 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,430 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,743 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,598 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,251 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,790 |
| Europe Capital to Country | 0 | - | 4.99 | 251,581 |
| Asia Capital to Country | 0 | - | 4.96 | 127,203 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,655 |
| European Capitals by Map | 0 | - | 4.99 | 141,426 |
| African Capitals by Map | 0 | - | 4.99 | 141,442 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,608 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,644 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,987 |
| European Coastal Capitals | 0 | - | 4.95 | 91,097 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,074 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,760 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,305 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,447 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,677 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,432 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,897 |
| Most Populous Islands | 0 | - | 4.80 | 123,194 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,352 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,608 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,937 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,911 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,806 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,409 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,396 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,687 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,820 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,890 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,332 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,836 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,008 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,389 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,095 |
| Official Cities in the UK | 0 | - | 4.89 | 285,473 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,862 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,892 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,474 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,984 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,848 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,250 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,466 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,777 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,580 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,367 |
| Capitals of the Stans | 0 | - | 4.95 | 27,058 |
| Boundary Waters | 0 | - | 4.92 | 88,685 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,344 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,500 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,079 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,806 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,807 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,705 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,237 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,893 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,322 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,450 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,148 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,341 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,707 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,404 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,608 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,324 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,454 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,270 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,446 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,146 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,751 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,335 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,010 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,954 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,611 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,104 |
| Biggest City by Region | 0 | - | 4.50 | 36,338 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,265 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,275 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,415 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,469 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,521 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,745,473 |
| Landlocked Countries | 0 | - | 4.99 | 424,001 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 583,899 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,677 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,283 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,305 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,840 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,815 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,044 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,007 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,277 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,851 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,743 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,133 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,905 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,159 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,722 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,988 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,793,161 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,256 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,235 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,826 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,235 |
| Population Trivia | 0 | - | 4.32 | 27,536 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,548 |
| Biggest Cities in History | 0 | - | 4.52 | 90,455 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,721 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,422 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,037 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,550 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,226 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,631 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,596 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,699 |
