| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,326 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,878 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,392 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,406 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,550 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,876 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,474 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,193 |
| Random European Capital to Country | 0 | - | 4.98 | 192,433 |
| Random European Country to Capital | 0 | - | 4.93 | 166,134 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,156 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,633 |
| Random African Capital to Country | 0 | - | 4.97 | 101,555 |
| Random African Country to Capital | 0 | - | 4.94 | 71,935 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,285 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,678 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,943 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,620 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,249 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,557 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,516 |
| Name a City - European Countries | 0 | - | 4.89 | 66,470 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,721 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,822 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,664 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,234 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,691 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,203 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,922 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,826 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,844 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,892 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,864 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,679 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,757 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,030 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,440 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,309 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,368 |
| Europe Capital to Country | 0 | - | 4.99 | 252,738 |
| Asia Capital to Country | 0 | - | 4.96 | 127,754 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,394 |
| European Capitals by Map | 0 | - | 4.99 | 142,745 |
| African Capitals by Map | 0 | - | 4.99 | 142,722 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,184 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,202 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,453 |
| European Coastal Capitals | 0 | - | 4.95 | 91,560 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,298 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,521 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,883 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,272 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,345 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,292 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,464 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,016 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,530 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,493 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,055 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,569 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,431 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,159 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,014 |
| Official Cities in the UK | 0 | - | 4.89 | 287,093 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,127 |
| Random U.S. City to State | 0 | - | 4.45 | 77,079 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,313 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,238 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,855 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,409 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,767 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,404 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,538 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,714 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,108 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,866 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,943 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,344 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,285 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,138 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,779 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,106 |
| US States Quiz | 0 | - | 5.00 | 17,033,088 |
| Capitals of the Stans | 0 | - | 4.95 | 27,266 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,522 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,658 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,059 |
| Boroughs of New York City | 0 | - | 4.47 | 85,460 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,986 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,181 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,956 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,076 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,105 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,736 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,691 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,138 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,454 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,854 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,636 |
| States of Mexico | 0 | - | 4.96 | 178,953 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,571 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,302 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,251 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,082 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,673 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,538 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,094 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,822 |
| South American Cities on the Map | 0 | - | 4.52 | 35,592 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,595 |
| ALL California Cities | 0 | - | 4.37 | 43,298 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,524 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,662 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,148 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,423 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,558 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,517 |
| Countries by Capital City | 0 | - | 5.00 | 69,748 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,252 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,421 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,675 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,026 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,965 |
| Moved Capital Cities | 0 | - | 4.96 | 74,769 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,888 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 105,098 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,593 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,702 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,683 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,732 |
| United States Country Quiz | 0 | - | 4.43 | 102,397 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,905 |
| Pixelated United States Map | 0 | - | 4.89 | 95,047 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,253 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,497 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,506 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,591 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,663 |
| U.S. States By Population | 0 | - | 4.92 | 154,313 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,439 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,019 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,025 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,621 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,257 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,226 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,375 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,474 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,618 |
| Which City in Europe? | 0 | - | 4.83 | 108,045 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,828 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,171 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,623 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,479 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,141 |
| US States with an Empty Map | 0 | - | 5.00 | 629,912 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,479 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,500 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,690 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,633 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,385 |
| North American Sports Cities | 0 | - | 4.82 | 173,360 |
| American TV Show Settings | 0 | - | 4.37 | 30,716 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,620 |
| Cities in European History #1 | 0 | - | 4.63 | 134,979 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,484 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,932 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,976 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,251 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,103 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,657 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,926 |
| Cities by Former Name | 0 | - | 4.83 | 92,229 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,005 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,071 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,022 |
| World Capitals by Map | 0 | - | 5.00 | 290,221 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,983 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,344 |
| Random Country to Capital | 0 | - | 4.98 | 930,998 |
| Capitals Starting With H | 0 | - | 4.91 | 93,503 |
| Capitals Starting With K | 0 | - | 4.89 | 84,561 |
| Capitals Starting With L | 0 | - | 4.81 | 96,166 |
| Capitals Starting With M | 0 | - | 4.94 | 109,455 |
| Capitals Starting With P | 0 | - | 4.88 | 79,177 |
| Capitals Starting With R | 0 | - | 4.89 | 82,650 |
| Capitals Starting With S | 0 | - | 4.90 | 86,747 |
| Capitals Starting With T | 0 | - | 4.86 | 76,992 |
| Capitals Starting With W | 0 | - | 4.87 | 91,826 |
| Capitals Starting With A | 0 | - | 4.97 | 129,358 |
| Capitals Starting With B | 0 | - | 4.89 | 119,717 |
| Capitals Starting With D | 0 | - | 4.94 | 97,365 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,040 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,985 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,110 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,763 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,054 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,309 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,790 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,942 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,850 |
