| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,986 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,504 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,366 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,124 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,995 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,173 |
| Random European Capital to Country | 0 | - | 4.98 | 192,383 |
| Random European Country to Capital | 0 | - | 4.93 | 166,106 |
| Europe Capital to Country | 0 | - | 4.99 | 252,656 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,335 |
| European Capitals by Map | 0 | - | 4.99 | 142,643 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,163 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,421 |
| European Coastal Capitals | 0 | - | 4.95 | 91,522 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,788 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,201 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,218 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,840 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,504 |
| Official Cities in the UK | 0 | - | 4.89 | 286,962 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,743 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,360 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,688 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,836 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,572 |
| Countries with Megacities | 0 | - | 4.99 | 268,015 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,225 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,375 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,554 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,479 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,168 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,749 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,149 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,944 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,031 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,709 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,455 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,077 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,268 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,957 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,120 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,620 |
| Random African Capital to Country | 0 | - | 4.97 | 101,521 |
| Random African Country to Capital | 0 | - | 4.95 | 71,921 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,598 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,489 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,571 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,858 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,046 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,390 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,750 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,881 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,130 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,240 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,990 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,930 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,715 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,700 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,983 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,414 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,268 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,124 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,732 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,864 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,330 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,590 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,830 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,470 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,604 |
| Name a City - European Countries | 0 | - | 4.89 | 66,413 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,272 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,167 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,847 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,740 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,621 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,719 |
| Cities in European History #1 | 0 | - | 4.63 | 134,797 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,580 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,666 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,071 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,424 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,987 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,614 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,890 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,915 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,079 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,280 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,818 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,897 |
| Largest City by Island | 0 | - | 4.87 | 72,593 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,511 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,912 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,272 |
| Megacities on a World Map | 0 | - | 4.98 | 257,568 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,376 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,870 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,859 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,838 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,376 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,739 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,525 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,422 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,456 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,892 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,070 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,038 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,631 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,298 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,581 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,940 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,888 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,706 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,389 |
| Asia Capital to Country | 0 | - | 4.96 | 127,716 |
| African Capitals by Map | 0 | - | 4.99 | 142,658 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,146 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,283 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,421 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,263 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,788 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,851 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,421 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,474 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,848 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,701 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,145 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,906 |
| Most Populous Islands | 0 | - | 4.80 | 123,463 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,409 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,685 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,027 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,968 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,139 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,555 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,733 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,914 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,187 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,411 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,495 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,387 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,636 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,394 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,716 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,674 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,131 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,288 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,744 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,743 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,383 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,511 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,548 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,644 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,082 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,323 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,894 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,323 |
| Capitals of the Stans | 0 | - | 4.95 | 27,244 |
| Boundary Waters | 0 | - | 4.92 | 88,860 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,476 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,869 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,601 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,083 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,103 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,879 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,378 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,042 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,965 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,327 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,494 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,823 |
| UK Immigration by Country | 0 | - | 4.94 | 141,921 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,585 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,146 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,111 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,012 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,301 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,072 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,268 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,224 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,687 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,567 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,185 |
| Biggest City by Region | 0 | - | 4.50 | 36,424 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,383 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,113 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,333 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,464 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,628 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,075 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,901 |
| Boroughs of London | 0 | - | 4.63 | 88,715 |
| London Geography | 0 | - | 4.47 | 59,928 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,989,122 |
| Landlocked Countries | 0 | - | 4.99 | 427,492 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,586 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,824 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,379 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,261 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,219 |
