| North America Capitals Quiz | 0 | - | 4.99 | 219,062 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,898 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,403 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,814 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,956 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,016 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,489 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,535 |
| Europe Capital to Country | 0 | - | 4.99 | 249,549 |
| Asia Capital to Country | 0 | - | 4.96 | 126,469 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,570 |
| European Capitals by Map | 0 | - | 4.99 | 138,546 |
| African Capitals by Map | 0 | - | 4.99 | 133,356 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,068 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,869 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,226 |
| European Coastal Capitals | 0 | - | 4.95 | 90,372 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,498 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,141 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,541 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,758 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,235 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,884 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,975 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,688 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,071 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,083 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,162 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,056 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,716 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,910 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| North America Cities by Map | 0 | - | 4.41 | 47,758 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,202 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,442 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,545 |
| Random European Capital to Country | 0 | - | 4.98 | 190,621 |
| Random European Country to Capital | 0 | - | 4.93 | 164,562 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,211 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,594 |
| Random African Capital to Country | 0 | - | 4.97 | 100,479 |
| Random African Country to Capital | 0 | - | 4.94 | 71,087 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,329 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,848 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,532 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,149 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,345 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,320 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,790 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,258 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,398 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,383 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,813 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,811 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,958 |
| 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 | 134,471 |
| Official Cities in the UK | 0 | - | 4.89 | 283,042 |
| 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 | 138,219 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,236 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,282 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,617 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,481 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,700 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,320 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,840 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,358 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,824 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,586 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,262 |
| 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 | 26,169 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,819 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,586 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,928 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,012 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,385 |
| Central American Countries | 0 | - | 4.98 | 155,886 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,316 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,200 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,890 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,451 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,788 |
| States of Mexico | 0 | - | 4.95 | 175,489 |
| 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 | 109,938 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,230 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,259 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,950 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,603 |
| Countries by Capital City | 0 | - | 5.00 | 67,904 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,961 |
| 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 | 83,950 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,149 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,296 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,072 |
| Moved Capital Cities | 0 | - | 4.96 | 74,046 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,942 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,550 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,441 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,456 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,830 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,781 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,340 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,509 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,255 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,019 |
| Pixelated United States Map | 0 | - | 4.87 | 94,067 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,638 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,159 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,200 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,686 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,959 |
| U.S. States By Population | 0 | - | 4.92 | 153,002 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,185 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,376 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,100 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,458 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,771 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,509 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,043 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,425 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,110 |
| North American Sports Cities | 0 | - | 4.83 | 171,747 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,237 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,662 |
| 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 | 133,318 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,569 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,880 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,873 |
| World Capitals by Map | 0 | - | 5.00 | 285,582 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,150 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,932 |
| Random Country to Capital | 0 | - | 4.98 | 918,244 |
| Capitals Starting With H | 0 | - | 4.90 | 92,096 |
| Capitals Starting With K | 0 | - | 4.85 | 80,255 |
| Capitals Starting With L | 0 | - | 4.81 | 87,569 |
| Capitals Starting With M | 0 | - | 4.93 | 107,138 |
| Capitals Starting With P | 0 | - | 4.88 | 77,799 |
| Capitals Starting With R | 0 | - | 4.87 | 81,478 |
| Capitals Starting With S | 0 | - | 4.89 | 85,404 |
| Capitals Starting With T | 0 | - | 4.84 | 75,841 |
| Capitals Starting With W | 0 | - | 4.87 | 91,056 |
| Capitals Starting With A | 0 | - | 4.97 | 127,395 |
| Capitals Starting With B | 0 | - | 4.89 | 118,019 |
| Capitals Starting With D | 0 | - | 4.93 | 96,037 |
| Which City in Europe? | 0 | - | 4.83 | 107,156 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,536 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,596 |
| 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 | 133,793 |
| 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 | 53,650 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,406 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,128 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,651 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,279 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,798 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,116 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,511 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,779 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,567 |
| Random European City to Country | 0 | - | 4.69 | 117,456 |
| Random Asian City to Country | 0 | - | 4.56 | 44,457 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,689 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,514 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,690 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,951 |
| Former Capitals | 0 | - | 4.88 | 71,376 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,596 |
| Capital Cities Chain | 0 | - | 4.83 | 82,483 |
| Coldest World Capitals | 0 | - | 4.95 | 133,455 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,382 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,785 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,669 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,034 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,101 |
