| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,632 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,507 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,255 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,082 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,672 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,357 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,110 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,759 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,428 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,468 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,788 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,258 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,195 |
| US States Quiz | 0 | - | 5.00 | 16,965,825 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,100 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,494 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,694 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,216 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,240 |
| US States with an Empty Map | 0 | - | 5.00 | 627,617 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,116 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,659 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,285 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,093 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,063 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,664 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,819 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,133 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,929 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,532 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,634 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,144 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,254 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,708 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,237 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,310 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,681 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,927 |
| Random U.S. City to State | 0 | - | 4.45 | 76,771 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,401 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,034 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,636 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,037 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,359 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,493 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,216 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,969 |
| Random European Capital to Country | 0 | - | 4.98 | 191,884 |
| Random European Country to Capital | 0 | - | 4.93 | 165,692 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,897 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,298 |
| Random African Capital to Country | 0 | - | 4.97 | 101,180 |
| Random African Country to Capital | 0 | - | 4.95 | 71,640 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,025 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,835 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,065 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,074 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,761 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,083 |
| U.S. States By Population | 0 | - | 4.92 | 153,994 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,025 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,777 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,743 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,458 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,976 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,069 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,291 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,500 |
| Name a City - European Countries | 0 | - | 4.90 | 65,987 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,502 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,815 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Boroughs of New York City | 0 | - | 4.47 | 84,873 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,315 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,943 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,459 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,678 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,284 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,840 |
| ALL California Cities | 0 | - | 4.37 | 43,196 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| Europe Capital to Country | 0 | - | 4.99 | 251,682 |
| Asia Capital to Country | 0 | - | 4.96 | 127,239 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,713 |
| European Capitals by Map | 0 | - | 4.99 | 141,554 |
| African Capitals by Map | 0 | - | 4.99 | 141,635 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,685 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,683 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,020 |
| European Coastal Capitals | 0 | - | 4.95 | 91,130 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,095 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,968 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,400 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,078 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,708 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,326 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,152 |
| Official Cities in the UK | 0 | - | 4.89 | 285,602 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,848 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,614 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,037 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,440 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,905 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,276 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,482 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,816 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,607 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,345 |
| American TV Show Settings | 0 | - | 4.37 | 30,692 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,670 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,753 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,472 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,558 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,848 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,884 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,342 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,463 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,725 |
| US States and State Capitals | 0 | - | 4.99 | 164,716 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,188 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,882 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,460 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,350 |
| States of Mexico | 0 | - | 4.96 | 177,716 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,901 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,060 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,019 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,588 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,303 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,081 |
| Capitals of the Stans | 0 | - | 4.95 | 27,073 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,887 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,845 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,122 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,308 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,902 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,776 |
| South American Cities on the Map | 0 | - | 4.52 | 35,527 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,572 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,925 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,572 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,323 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,742 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,842 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,381 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,051 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,318 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,272 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,551 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,901 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,770 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,684 |
| Pixelated United States Map | 0 | - | 4.88 | 94,671 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,546 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,732 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,784 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,315 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,233 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,638 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,727 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,664 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,037 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,976 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,842 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,029 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,995 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,874 |
| Countries by Capital City | 0 | - | 5.00 | 69,144 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,697 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,083 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,235 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,666 |
| Moved Capital Cities | 0 | - | 4.96 | 74,554 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,167 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,293 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,262 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,755 |
| Which City in Europe? | 0 | - | 4.83 | 107,783 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,546 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,004 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,366 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,835 |
| Regions of U.S. States | 0 | - | 4.37 | 44,113 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,341 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,620 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,406 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,921 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,350 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,904 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,609 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,866 |
| Random Country to Capital | 0 | - | 4.98 | 925,897 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,937 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,103 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,973 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,133 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,348 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,108 |
