| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,253 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,560 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,888 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,419 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,072 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,965 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,935 |
| Random African Capital to Country | 0 | - | 4.97 | 101,454 |
| Random African Country to Capital | 0 | - | 4.94 | 71,877 |
| African Capitals by Map | 0 | - | 4.99 | 142,548 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,139 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,175 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,481 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,588 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,351 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,464 |
| Countries with Megacities | 0 | - | 4.99 | 267,770 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,113 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,321 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,448 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,421 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,836 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,920 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,849 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,161 |
| Random European Capital to Country | 0 | - | 4.98 | 192,327 |
| Random European Country to Capital | 0 | - | 4.93 | 166,067 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,084 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,546 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,562 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,450 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,495 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,797 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,990 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,352 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,711 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,074 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,161 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,939 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,779 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,635 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,521 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,932 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,369 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,094 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,082 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,707 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,827 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,295 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,543 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,702 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,901 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,456 |
| Name a City - European Countries | 0 | - | 4.89 | 66,360 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,835 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,795 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,567 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,314 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,588 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,054 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,413 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,966 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,539 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,831 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,875 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,025 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,249 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,763 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,830 |
| Largest City by Island | 0 | - | 4.87 | 72,556 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,480 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,843 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,235 |
| Megacities on a World Map | 0 | - | 4.98 | 257,393 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,745 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,828 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,823 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,742 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,345 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,416 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,829 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,999 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,001 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,601 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,275 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,566 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,916 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,857 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,657 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,311 |
| Europe Capital to Country | 0 | - | 4.99 | 252,520 |
| Asia Capital to Country | 0 | - | 4.96 | 127,679 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,243 |
| European Capitals by Map | 0 | - | 4.99 | 142,464 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,100 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,094 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,359 |
| European Coastal Capitals | 0 | - | 4.95 | 91,472 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,261 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,206 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,154 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,234 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,791 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,107 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,456 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,104 |
| Most Populous Islands | 0 | - | 4.80 | 123,426 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,400 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,672 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,016 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,963 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,093 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,541 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,686 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,882 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,109 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,330 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,478 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,277 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,342 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,347 |
| Official Cities in the UK | 0 | - | 4.89 | 286,795 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,239 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,549 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,606 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,710 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,292 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,476 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,652 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,053 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,805 |
| Capitals of the Stans | 0 | - | 4.95 | 27,222 |
| Boundary Waters | 0 | - | 4.92 | 88,828 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,458 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,818 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,532 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,052 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,074 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,857 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,363 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,024 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,046 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,903 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,696 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,099 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,743 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,235 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,373 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,770 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,929 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,676 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,536 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,193 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,939 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,464 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,223 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,193 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,676 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,179 |
| Biggest City by Region | 0 | - | 4.50 | 36,416 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,367 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,326 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,458 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,604 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,598 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,959,065 |
| Landlocked Countries | 0 | - | 4.99 | 427,130 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,563 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,805 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,364 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,706 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,206 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,164 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,510 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,934 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,593 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,410 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,032 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,265 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,853 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,573 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,926 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,477 |
| Every African Country Shape | 0 | - | 4.90 | 88,584 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,469 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,120 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,697 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,564 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,982 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,500 |
| Population Trivia | 0 | - | 4.32 | 27,589 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,011 |
| Biggest Cities in History | 0 | - | 4.52 | 90,681 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,182 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,599 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,770 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,639 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,572 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,730 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,726 |
