| North America Capitals Quiz | 0 | - | 4.99 | 219,821 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,842 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,799 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,103 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,459 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,038 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,440 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,166 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,138 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,619 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,723 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,941 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,657 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,211 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,618 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,589 |
| North America Cities by Map | 0 | - | 4.41 | 47,810 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,358 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,346 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,473 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,587 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,619 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,613 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,339 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,687 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,102 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,932 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,973 |
| Europe Capital to Country | 0 | - | 4.99 | 250,306 |
| Asia Capital to Country | 0 | - | 4.96 | 126,665 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,885 |
| European Capitals by Map | 0 | - | 4.99 | 139,177 |
| African Capitals by Map | 0 | - | 4.99 | 133,797 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,403 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,076 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,427 |
| European Coastal Capitals | 0 | - | 4.95 | 90,608 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,588 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,031 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,067 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,833 |
| Official Cities in the UK | 0 | - | 4.89 | 283,765 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,763 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,558 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,360 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,487 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,042 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,275 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,843 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,178 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,376 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,293 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,355 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,990 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,471 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,173 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,483 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,885 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,465 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,063 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,152 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,426 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,697 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,457 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,392 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,161 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,001 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,042 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,774 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,692 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,397 |
| Central American Countries | 0 | - | 4.98 | 156,482 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,654 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,068 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,446 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,744 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,949 |
| States of Mexico | 0 | - | 4.96 | 176,118 |
| South American Cities on the Map | 0 | - | 4.53 | 35,426 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,134 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,251 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,404 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,495 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,228 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,000 |
| Countries by Capital City | 0 | - | 5.00 | 68,280 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,166 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,650 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,196 |
| Moved Capital Cities | 0 | - | 4.96 | 74,210 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,449 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,820 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,152 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,491 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,523 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,671 |
| Random European Capital to Country | 0 | - | 4.98 | 190,919 |
| Random European Country to Capital | 0 | - | 4.93 | 165,129 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,451 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,762 |
| Random African Country to Capital | 0 | - | 4.94 | 71,212 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,165 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,686 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,774 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,391 |
| Pixelated United States Map | 0 | - | 4.87 | 94,272 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,869 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,429 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,437 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,006 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,300 |
| U.S. States By Population | 0 | - | 4.92 | 153,546 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,451 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,443 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,517 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,212 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,625 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,959 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,703 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,185 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,500 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,221 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,895 |
| North American Sports Cities | 0 | - | 4.83 | 172,383 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,318 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,815 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,396 |
| Cities by Former Name | 0 | - | 4.83 | 91,576 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,397 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,000 |
| World Capitals by Map | 0 | - | 5.00 | 286,465 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,317 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,461 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,831 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,998 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,714 |
| Random Country to Capital | 0 | - | 4.98 | 920,597 |
| Capitals Starting With H | 0 | - | 4.91 | 92,552 |
| Capitals Starting With K | 0 | - | 4.88 | 83,510 |
| Capitals Starting With L | 0 | - | 4.81 | 88,087 |
| Capitals Starting With M | 0 | - | 4.93 | 107,794 |
| Capitals Starting With P | 0 | - | 4.88 | 78,207 |
| Capitals Starting With R | 0 | - | 4.87 | 81,829 |
| Capitals Starting With S | 0 | - | 4.90 | 85,785 |
| Capitals Starting With T | 0 | - | 4.85 | 76,175 |
| Capitals Starting With W | 0 | - | 4.87 | 91,307 |
| Capitals Starting With A | 0 | - | 4.97 | 127,919 |
| Capitals Starting With B | 0 | - | 4.89 | 118,479 |
| Capitals Starting With D | 0 | - | 4.93 | 96,441 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,406 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,149 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,199 |
| Which City in Europe? | 0 | - | 4.83 | 107,397 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,484 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,463 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,766 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,473 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,136 |
| American TV Show Settings | 0 | - | 4.35 | 30,649 |
| Cities in European History #1 | 0 | - | 4.63 | 134,006 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,345 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,751 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,886 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,126 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,823 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,572 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,810 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,220 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,348 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,241 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,390 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,867 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,142 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,559 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,977 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,047 |
| Random European City to Country | 0 | - | 4.69 | 117,672 |
| Random Asian City to Country | 0 | - | 4.56 | 44,535 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,891 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,527 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,800 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,206 |
| Former Capitals | 0 | - | 4.88 | 71,458 |
| Capital Cities Chain | 0 | - | 4.84 | 82,742 |
| Coldest World Capitals | 0 | - | 4.95 | 133,565 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,569 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,901 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,044 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,253 |
| Which City in Canada? | 0 | - | 4.83 | 57,075 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,468 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,886 |
| Belize Country Quiz | 0 | - | 4.85 | 20,975 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,878 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,781 |
| Flags of North and South America | 0 | - | 4.99 | 373,140 |
| Territories of the United States | 0 | - | 4.80 | 52,396 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,604 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,675 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,379 |
