| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,697 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,822 |
| North America Capitals Quiz | 0 | - | 4.99 | 186,095 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,336 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,813 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,093 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,654 |
| South America Capitals Quiz | 0 | - | 5.00 | 419,626 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 172,876 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 149,974 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 137,087 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,539 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,142 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,926 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,818 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.34 | 35,950 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,912 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,610 |
| Africa Capitals Quiz | 0 | - | 4.99 | 634,660 |
| Asia Capitals Quiz | 0 | - | 4.98 | 594,146 |
| United States Map Quiz | 0 | - | 4.98 | 3,902,938 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,559 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,178 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,228 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,717 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,461 |
| U.S. States By Population | 0 | - | 4.90 | 129,982 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,524 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,041 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,364 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,102 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,853 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,528,516 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,434 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 234,645 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 106,235 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,127 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,597 |
| Countries of North America Quiz | 0 | - | 5.00 | 880,019 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 584,891 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 79,947 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 56,588 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,493 |
| World Capitals Quiz | 0 | - | 5.00 | 4,498,933 |
| Europe Capital to Country | 0 | - | 4.99 | 219,998 |
| Asia Capital to Country | 0 | - | 4.96 | 105,702 |
| EU Capitals with No Hints | 0 | - | 4.96 | 124,504 |
| European Capitals by Map | 0 | - | 4.99 | 93,570 |
| African Capitals by Map | 0 | - | 4.99 | 110,647 |
| Asian Capitals by Map | 0 | - | 4.98 | 47,063 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 78,912 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 72,088 |
| European Coastal Capitals | 0 | - | 4.95 | 77,189 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,583 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 228,311 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 193,819 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,075 |
| Official Cities in the UK | 0 | - | 4.86 | 232,314 |
| Westernmost Cities in the U.S. | 0 | - | 4.35 | 15,655 |
| North America Cities by Map | 0 | - | 4.39 | 45,307 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 52,150 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,268 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 105,243 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,957 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 66,916 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,240 |
| European Capitals Ending in N | 0 | - | 4.92 | 73,950 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 125,816 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 851,660 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 47,145 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,318 |
| Canada Provinces and Territories | 0 | - | 4.99 | 289,723 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 47,457 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,121 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,281 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,383,165 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 120,411 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,207 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,241 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,061 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,141 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 74,728 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 64,981 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,668 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 93,450 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,697 |
| Central American Countries | 0 | - | 4.98 | 139,486 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,439 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,724 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,909 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 116,688 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,607 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,733 |
| States of Mexico | 0 | - | 4.95 | 141,377 |
| South American Cities on the Map | 0 | - | 4.55 | 33,154 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,453 |
| Northernmost Capital Cities | 0 | - | 4.98 | 94,011 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,725 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,354 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,824 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,213 |
| Countries by Capital City | 0 | - | 4.99 | 49,401 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,916 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,065 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,954 |
| Moved Capital Cities | 0 | - | 4.94 | 52,278 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,739 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,601 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 116,096 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,474 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,687 |
| Random European Capital to Country | 0 | - | 4.97 | 152,753 |
| Random European Country to Capital | 0 | - | 4.92 | 135,007 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,673 |
| Random Asian Capital to Country | 0 | - | 4.97 | 89,191 |
| Random African Country to Capital | 0 | - | 4.94 | 61,895 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 82,056 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,324 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,664 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,470 |
| Pixelated United States Map | 0 | - | 4.90 | 82,205 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 73,682 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 145,371 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,898 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,045 |
| Top 10 Newest U.S. States | 0 | - | 4.81 | 68,103 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 68,138 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,011 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,141 |
| Random U.S. City to State | 0 | - | 4.44 | 65,728 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 91,339 |
| Cities by Former Name | 0 | - | 4.86 | 71,379 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,561 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,451 |
| World Capitals by Proximity | 0 | - | 4.88 | 299,308 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,130 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,839 |
| World Capitals by Map | 0 | - | 5.00 | 241,789 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,282 |
| Random Capital to Country | 0 | - | 4.99 | 2,361,311 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,138 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 45,055 |
| Random European Capitals on a Map | 0 | - | 4.97 | 106,900 |
| Random Country to Capital | 0 | - | 4.98 | 802,652 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,200 |
| World Capitals By Letter - K | 0 | - | 4.82 | 65,867 |
| World Capitals By Letter - M | 0 | - | 4.90 | 85,915 |
| World Capitals By Letter - P | 0 | - | 4.86 | 67,037 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,258 |
| World Capitals By Letter - S | 0 | - | 4.89 | 74,483 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,395 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,208 |
| World Capitals By Letter - A | 0 | - | 4.96 | 104,578 |
| World Capitals By Letter - B | 0 | - | 4.84 | 96,818 |
| World Capitals By Letter - D | 0 | - | 4.91 | 78,944 |
| Which City in Europe? | 0 | - | 4.84 | 97,406 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,691 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,484 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,202 |
| New England States | 0 | - | 4.54 | 52,434 |
| US States by Land Area | 0 | - | 4.59 | 48,484 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,175 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,515 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,990 |
| The Only U.S. State ... #1 | 0 | - | 4.51 | 82,603 |
| Important Cities in European History | 0 | - | 4.55 | 109,807 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,480 |
| European Cities by Map #1 | 0 | - | 4.64 | 51,828 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,947 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,174 |
| Cities in Squares on a Map - Europe | 0 | - | 4.72 | 45,994 |
| Boroughs of New York City | 0 | - | 4.44 | 77,118 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,014 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,917 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,888 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,900 |
| Global Cities Quiz | 0 | - | 4.64 | 157,043 |
| Southernmost Major Cities | 0 | - | 4.41 | 45,259 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.45 | 68,454 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,315 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.41 | 35,004 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,766 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 193,472 |
| Random European City to Country | 0 | - | 4.72 | 106,339 |
| Random Asian City to Country | 0 | - | 4.52 | 33,677 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,518 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 104,566 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,023 |
| Capital Cities Chain | 0 | - | 4.86 | 71,439 |
| Coldest World Capitals | 0 | - | 4.96 | 128,043 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 62,980 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 78,704 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 74,712 |
| Which City in Canada? | 0 | - | 4.89 | 45,205 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 159,846 |
| Belize Country Quiz | 0 | - | 4.88 | 18,758 |
| South America Map Quiz | 0 | - | 5.00 | 1,420,385 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 106,728 |
| Territories of the United States | 0 | - | 4.76 | 48,546 |
| Canada Immigration by Country | 0 | - | 4.52 | 57,228 |
