| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,482 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,059 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,531 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,895 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,809 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,394 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,756 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,014 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,069 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,320 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,195 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,784 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,782 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,947 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,865 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| North America Cities by Map | 0 | - | 4.41 | 47,758 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,339 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,507 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,255 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,517 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,142 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,323 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,320 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,788 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,255 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,394 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,382 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,736 |
| Europe Capital to Country | 0 | - | 4.99 | 249,549 |
| Asia Capital to Country | 0 | - | 4.96 | 126,466 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,566 |
| European Capitals by Map | 0 | - | 4.99 | 138,535 |
| African Capitals by Map | 0 | - | 4.99 | 133,352 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,067 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,868 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,225 |
| European Coastal Capitals | 0 | - | 4.95 | 90,371 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,496 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,137 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,536 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,739 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,595 |
| Official Cities in the UK | 0 | - | 4.89 | 283,038 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,715 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,218 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,234 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,883 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,972 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,686 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,071 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,081 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,162 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,476 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,700 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,839 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,357 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,824 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,556 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,579 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,927 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,011 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,329 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,053 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,845 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,007 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,743 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,385 |
| Central American Countries | 0 | - | 4.98 | 155,885 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,315 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,881 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,448 |
| States of Mexico | 0 | - | 4.95 | 175,485 |
| South American Cities on the Map | 0 | - | 4.56 | 35,384 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,836 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,933 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,229 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,258 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,948 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,603 |
| Countries by Capital City | 0 | - | 5.00 | 67,901 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,960 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,456 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,603 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,948 |
| Moved Capital Cities | 0 | - | 4.96 | 74,043 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,887 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,820 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,441 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,422 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,202 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,318 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,440 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,543 |
| Random European Capital to Country | 0 | - | 4.98 | 190,619 |
| Random European Country to Capital | 0 | - | 4.93 | 164,555 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,190 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,592 |
| Random African Capital to Country | 0 | - | 4.97 | 100,478 |
| Random African Country to Capital | 0 | - | 4.94 | 71,087 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,772 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,018 |
| Pixelated United States Map | 0 | - | 4.87 | 94,067 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,635 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,158 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,199 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,685 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,957 |
| U.S. States By Population | 0 | - | 4.92 | 152,999 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,184 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,374 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,100 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,457 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,768 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,506 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,042 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,423 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,110 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,711 |
| North American Sports Cities | 0 | - | 4.83 | 171,746 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,236 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,661 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,245 |
| Cities by Former Name | 0 | - | 4.83 | 91,416 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,316 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,569 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,958 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,871 |
| World Capitals by Map | 0 | - | 5.00 | 285,578 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,148 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,912 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,901 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,470 |
| Random Country to Capital | 0 | - | 4.98 | 918,225 |
| Capitals Starting With H | 0 | - | 4.90 | 92,087 |
| Capitals Starting With K | 0 | - | 4.85 | 80,098 |
| Capitals Starting With L | 0 | - | 4.81 | 87,557 |
| Capitals Starting With M | 0 | - | 4.93 | 107,128 |
| Capitals Starting With P | 0 | - | 4.88 | 77,797 |
| Capitals Starting With R | 0 | - | 4.87 | 81,473 |
| Capitals Starting With S | 0 | - | 4.89 | 85,401 |
| Capitals Starting With T | 0 | - | 4.84 | 75,833 |
| Capitals Starting With W | 0 | - | 4.87 | 91,048 |
| Capitals Starting With A | 0 | - | 4.97 | 127,385 |
| Capitals Starting With B | 0 | - | 4.89 | 118,010 |
| Capitals Starting With D | 0 | - | 4.93 | 96,032 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,236 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,111 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,168 |
| Which City in Europe? | 0 | - | 4.83 | 107,155 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,534 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,335 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,065 |
| American TV Show Settings | 0 | - | 4.35 | 30,634 |
| Cities in European History #1 | 0 | - | 4.63 | 133,792 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,306 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,699 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,866 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,101 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,649 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,610 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,123 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,277 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,797 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,116 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,510 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,777 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,564 |
| Random European City to Country | 0 | - | 4.69 | 117,455 |
| Random Asian City to Country | 0 | - | 4.56 | 44,457 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,686 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,514 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,687 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,948 |
| Former Capitals | 0 | - | 4.88 | 71,376 |
| Capital Cities Chain | 0 | - | 4.83 | 82,479 |
| Coldest World Capitals | 0 | - | 4.95 | 133,454 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,382 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,668 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,815 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,099 |
| Which City in Canada? | 0 | - | 4.82 | 56,942 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,259 |
| Belize Country Quiz | 0 | - | 4.85 | 20,933 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,269 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,279 |
| Flags of North and South America | 0 | - | 4.99 | 371,864 |
| Largest United States Airlines | 0 | - | 4.39 | 54,991 |
| Territories of the United States | 0 | - | 4.79 | 52,332 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,512 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,571 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,356 |
