| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,293 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,127 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,435 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,803 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,765 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,859 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,724 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,923 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,773 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,952 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,531 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,154 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,628 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,501 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,864 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,256 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,624 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,686 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,760 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,970 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,453 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,250 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,076 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,485 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,924 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,356 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,922 |
| Countries with Megacities | 0 | - | 4.99 | 246,335 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,847 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,765 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,762 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,298 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,704 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,586 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,556 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,356 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,543 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,955 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,540 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,572 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,599 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,052 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,899 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,120 |
| US States and State Capitals | 0 | - | 4.99 | 158,198 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,266 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,403 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,049 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,751 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,759 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,093 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,787 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,418 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,519 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,095 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,197 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,792 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,317 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,492 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,239 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,177 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,279 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,738 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,545 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,523 |
| Largest City by Island | 0 | - | 4.87 | 70,976 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,312 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,443 |
| Biggest European Cities by Century | 0 | - | 4.98 | 140,330 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,647 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,749 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,751 |
| Megacities on a World Map | 0 | - | 4.98 | 250,631 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,390 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,442 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,803 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,735 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,787 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,474 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,981 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,088 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,543 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,674 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,606 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,555 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,399 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,084 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,061 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,352 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,197 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,196 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,541 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,505 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,135 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,451 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,271 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,687 |
| Name a City - European Countries | 0 | - | 4.92 | 64,294 |
| Europe Capital to Country | 0 | - | 4.99 | 247,356 |
| Asia Capital to Country | 0 | - | 4.96 | 125,655 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,335 |
| European Capitals by Map | 0 | - | 4.99 | 136,026 |
| African Capitals by Map | 0 | - | 4.99 | 132,086 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,542 |
| European Coastal Capitals | 0 | - | 4.95 | 89,676 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,155 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,478 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,610 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,388 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,125 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,029 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,000 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,638 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,429 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,296 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,887 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,085 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,887 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,146 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,498 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,060 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,521 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,324 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,487 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,738 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,703 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,392 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,241 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,663 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,505 |
| Official Cities in the UK | 0 | - | 4.89 | 280,269 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,679 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,115 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,628 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,616 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,555 |
| Random U.S. City to State | 0 | - | 4.45 | 75,240 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,734 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,775 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,984 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,137 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,323 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,934 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,614 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,572 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,351 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,094 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,656 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,390 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,722 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,622 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,721 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 299,818 |
| US States Quiz | 0 | - | 5.00 | 16,684,734 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,131 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,474 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,637 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,711 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,073 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,875 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,729 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,172 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,386 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,087 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,177 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,903 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,886 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,640 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,679 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,702 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,772 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,365 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,472 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,369 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,035 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,525 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,451 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,875 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,734 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,766 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,345 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,781 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,965 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,585 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,759 |
| Random European Capital to Country | 0 | - | 4.98 | 189,091 |
| Random European Country to Capital | 0 | - | 4.92 | 147,363 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,341 |
| Random African Capital to Country | 0 | - | 4.97 | 99,684 |
| Random African Country to Capital | 0 | - | 4.94 | 70,164 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,472 |
