| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,529 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,194 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,149 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,066 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,246 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,512 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,819 |
| Random African Capital to Country | 0 | - | 4.97 | 100,805 |
| Random African Country to Capital | 0 | - | 4.94 | 71,327 |
| African Capitals by Map | 0 | - | 4.99 | 134,052 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,316 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,324 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,089 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,118 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,591 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,741 |
| Countries with Megacities | 0 | - | 4.99 | 264,191 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,594 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,391 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,855 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,454 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,215 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,745 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,101 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,737 |
| Random European Capital to Country | 0 | - | 4.98 | 191,078 |
| Random European Country to Capital | 0 | - | 4.93 | 165,291 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,544 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,868 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,985 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,833 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,058 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,037 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,498 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,656 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,168 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,164 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,870 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,588 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,595 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,456 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,012 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,683 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,341 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,141 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,028 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,202 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,730 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,796 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,805 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,970 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,517 |
| Name a City - European Countries | 0 | - | 4.90 | 65,512 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,040 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,846 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,096 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,895 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,780 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,894 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,281 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,668 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,608 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,045 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,265 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,431 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,943 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,916 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,788 |
| Largest City by Island | 0 | - | 4.87 | 71,983 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,095 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,103 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,671 |
| Megacities on a World Map | 0 | - | 4.98 | 255,036 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,935 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,447 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,083 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,974 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,912 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,691 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,568 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,128 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,423 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,267 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,852 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,298 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,603 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,348 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,846 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,276 |
| Europe Capital to Country | 0 | - | 4.99 | 250,643 |
| Asia Capital to Country | 0 | - | 4.96 | 126,769 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,063 |
| European Capitals by Map | 0 | - | 4.99 | 139,667 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,560 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,210 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,546 |
| European Coastal Capitals | 0 | - | 4.95 | 90,725 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,635 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,500 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,310 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,885 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,093 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,260 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,933 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,674 |
| Most Populous Islands | 0 | - | 4.80 | 122,990 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,315 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,552 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,858 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,859 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,423 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,273 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,068 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,489 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,420 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,213 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,168 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,308 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,580 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,854 |
| Official Cities in the UK | 0 | - | 4.89 | 284,227 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,600 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,068 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,268 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,136 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,429 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,940 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,243 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,488 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,356 |
| Capitals of the Stans | 0 | - | 4.95 | 26,884 |
| Boundary Waters | 0 | - | 4.92 | 88,520 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,218 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,199 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,608 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,541 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,508 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,527 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,964 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,589 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,624 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,980 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,567 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,661 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,288 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,762 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,052 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,908 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,192 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,566 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,240 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,772 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,702 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,504 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,713 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,782 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,676 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,544 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,023 |
| Biggest City by Region | 0 | - | 4.50 | 36,257 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,173 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,213 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,367 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,332 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,438 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,535,591 |
| Landlocked Countries | 0 | - | 4.99 | 421,395 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,116 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,555 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,176 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,884 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,455 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,443 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,603 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,591 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,951 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,285 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,396 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,497 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,853 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,637 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,565 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,449 |
| Every African Country Shape | 0 | - | 4.90 | 87,505 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,774,398 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,361 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,836 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,903 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,676 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,963 |
| Population Trivia | 0 | - | 4.32 | 27,505 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 163,194 |
| Biggest Cities in History | 0 | - | 4.52 | 90,246 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,817 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,258 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,366 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,456 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,891 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,509 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,448 |
