| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,559 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,411 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,561 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,872 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,648 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,789 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,767 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,256 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,785 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,411 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,430 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,997 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,763 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,745 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,892 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,095 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,939 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,047 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,515 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,970 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,773 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,119 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,106 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,122 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,343 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,552 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,160 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,072 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,175 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,356 |
| Countries with Megacities | 0 | - | 4.99 | 262,932 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,193 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,119 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,172 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,496 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,214 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,249 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,234 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,443 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,813 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,554 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,827 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,028 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,253 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,461 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,068 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,985 |
| US States and State Capitals | 0 | - | 4.99 | 162,117 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,373 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,478 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,868 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,675 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,684 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,564 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,842 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,364 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,501 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,585 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,395 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,849 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,106 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,280 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,878 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,048 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,466 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,315 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,861 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,412 |
| Largest City by Island | 0 | - | 4.87 | 71,822 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,907 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,885 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,415 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,872 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,255 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,644 |
| Megacities on a World Map | 0 | - | 4.98 | 254,361 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,750 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,454 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,867 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,315 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,877 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,800 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,068 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,990 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,635 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,332 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,578 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,550 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,211 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,780 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,286 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,922 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,226 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,172 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,711 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,233 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,522 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,202 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,578 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,607 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,039 |
| Name a City - European Countries | 0 | - | 4.90 | 65,335 |
| Europe Capital to Country | 0 | - | 4.99 | 249,965 |
| Asia Capital to Country | 0 | - | 4.96 | 126,622 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,805 |
| European Capitals by Map | 0 | - | 4.99 | 139,030 |
| African Capitals by Map | 0 | - | 4.99 | 133,714 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,310 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,025 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,379 |
| European Coastal Capitals | 0 | - | 4.95 | 90,551 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,567 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,785 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,875 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,810 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,021 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,910 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,068 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,243 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,667 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,217 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,402 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,890 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,112 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,887 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,889 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,504 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,018 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,227 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,708 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,353 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,240 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,346 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,927 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,307 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,705 |
| Official Cities in the UK | 0 | - | 4.89 | 283,555 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,319 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,114 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,552 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,310 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,916 |
| Random U.S. City to State | 0 | - | 4.45 | 76,269 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,513 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,076 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,260 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,714 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,067 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,162 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,597 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,426 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,998 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,203 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,803 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,156 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,315 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,320 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,131 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,265 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 302,371 |
| US States Quiz | 0 | - | 5.00 | 16,865,438 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,937 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,681 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,840 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,841 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,246 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,390 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,083 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,221 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,210 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,972 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,340 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,179 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,230 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,353 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,739 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,822 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,659 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,751 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,171 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,571 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,339 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,751 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,555 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,415 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,464 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,426 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,420 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,989 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,499 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,633 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,727 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,969 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,657 |
| Random European Capital to Country | 0 | - | 4.98 | 190,817 |
| Random European Country to Capital | 0 | - | 4.93 | 165,041 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,389 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,720 |
| Random African Capital to Country | 0 | - | 4.97 | 100,674 |
| Random African Country to Capital | 0 | - | 4.94 | 71,178 |
