| North America Capitals Quiz | 0 | - | 4.99 | 220,514 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,232 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,406 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,529 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,529 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,296 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,181 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,175 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,993 |
| Europe Capital to Country | 0 | - | 4.99 | 250,816 |
| Asia Capital to Country | 0 | - | 4.96 | 126,846 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,170 |
| European Capitals by Map | 0 | - | 4.99 | 139,889 |
| African Capitals by Map | 0 | - | 4.99 | 134,125 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,608 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,277 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,608 |
| European Coastal Capitals | 0 | - | 4.95 | 90,785 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,660 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,759 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,491 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,909 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,267 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,689 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,195 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,500 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,009 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,277 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,538 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,393 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,672 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,282 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,045 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,163 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,613 |
| North America Cities by Map | 0 | - | 4.41 | 47,840 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,736 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,584 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,772 |
| Random European Capital to Country | 0 | - | 4.98 | 191,200 |
| Random European Country to Capital | 0 | - | 4.93 | 165,362 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,581 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,937 |
| Random African Capital to Country | 0 | - | 4.97 | 100,865 |
| Random African Country to Capital | 0 | - | 4.94 | 71,365 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,549 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,127 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,075 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,803 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,719 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,509 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,544 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,554 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,953 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,347 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,412 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,931 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,810 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,362 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,017 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,910 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,041 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,931 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,072 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,902 |
| Official Cities in the UK | 0 | - | 4.89 | 284,438 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,811 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,579 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,773 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,325 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,889 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,868 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,875 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,163 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,593 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,378 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,596 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,963 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,338 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,476 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,181 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,216 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,208 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,770 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,361 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,456 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,169 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,413 |
| Central American Countries | 0 | - | 4.98 | 156,743 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,934 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,844 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,750 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,979 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,974 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,095 |
| States of Mexico | 0 | - | 4.96 | 176,691 |
| South American Cities on the Map | 0 | - | 4.53 | 35,464 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,433 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,514 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,536 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,660 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,469 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,284 |
| Countries by Capital City | 0 | - | 5.00 | 68,605 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,356 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,795 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,058 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,388 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,203 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,388 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,291 |
| Moved Capital Cities | 0 | - | 4.96 | 74,330 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,027 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,467 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,507 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,221 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,524 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,913 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,969 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,442 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,559 |
| Pixelated United States Map | 0 | - | 4.88 | 94,438 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,116 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,682 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,646 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,300 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,608 |
| U.S. States By Population | 0 | - | 4.92 | 153,724 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,681 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,582 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,685 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,325 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,779 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,263 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,938 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,401 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,655 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,432 |
| North American Sports Cities | 0 | - | 4.83 | 172,623 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,383 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,967 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,530 |
| Cities by Former Name | 0 | - | 4.83 | 91,704 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,473 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,745 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,941 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,381 |
| World Capitals by Map | 0 | - | 5.00 | 287,355 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,450 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,319 |
| Random Country to Capital | 0 | - | 4.98 | 922,591 |
| Capitals Starting With H | 0 | - | 4.91 | 92,709 |
| Capitals Starting With K | 0 | - | 4.88 | 83,754 |
| Capitals Starting With L | 0 | - | 4.81 | 88,235 |
| Capitals Starting With M | 0 | - | 4.93 | 108,040 |
| Capitals Starting With P | 0 | - | 4.88 | 78,333 |
| Capitals Starting With R | 0 | - | 4.87 | 81,968 |
| Capitals Starting With S | 0 | - | 4.90 | 85,941 |
| Capitals Starting With T | 0 | - | 4.84 | 76,295 |
| Capitals Starting With W | 0 | - | 4.86 | 91,388 |
| Capitals Starting With A | 0 | - | 4.97 | 128,270 |
| Capitals Starting With B | 0 | - | 4.89 | 118,689 |
| Capitals Starting With D | 0 | - | 4.93 | 96,611 |
| Which City in Europe? | 0 | - | 4.83 | 107,543 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,788 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,922 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,597 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,527 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,198 |
| American TV Show Settings | 0 | - | 4.35 | 30,661 |
| Cities in European History #1 | 0 | - | 4.63 | 134,185 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,382 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,791 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,903 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,150 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,990 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,427 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,394 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,181 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,260 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,478 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,943 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,171 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,617 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,166 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,465 |
| Random European City to Country | 0 | - | 4.69 | 117,860 |
| Random Asian City to Country | 0 | - | 4.56 | 44,560 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,074 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,543 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,924 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,395 |
| Former Capitals | 0 | - | 4.88 | 71,514 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,751 |
| Capital Cities Chain | 0 | - | 4.83 | 82,926 |
| Coldest World Capitals | 0 | - | 4.95 | 133,649 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,751 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,444 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,097 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,112 |
