| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,934 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,356 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,208 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,992 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,322 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,119 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,085 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,818 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,731 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,040 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,679 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,472 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,045 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,126 |
| US States Quiz | 0 | - | 5.00 | 16,931,569 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,988 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,324 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,524 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,194 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| US States with an Empty Map | 0 | - | 5.00 | 626,418 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,058 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,646 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,261 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,006 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,601 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,490 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,908 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,618 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,451 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,921 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,058 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,192 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,599 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,620 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,923 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,410 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,825 |
| Random U.S. City to State | 0 | - | 4.45 | 76,630 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,350 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,910 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,331 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,007 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,578 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,424 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,885 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,850 |
| Random European Capital to Country | 0 | - | 4.98 | 191,583 |
| Random European Country to Capital | 0 | - | 4.93 | 165,487 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,769 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,076 |
| Random African Capital to Country | 0 | - | 4.97 | 100,983 |
| Random African Country to Capital | 0 | - | 4.94 | 71,462 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,020 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,183 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,794 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,729 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,424 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,744 |
| U.S. States By Population | 0 | - | 4.92 | 153,809 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,801 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,632 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,573 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,357 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,834 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,952 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,224 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,474 |
| Name a City - European Countries | 0 | - | 4.90 | 65,764 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,291 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,799 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Boroughs of New York City | 0 | - | 4.47 | 84,764 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,002 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,644 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,423 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,601 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,065 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,531 |
| ALL California Cities | 0 | - | 4.37 | 43,129 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,473 |
| Europe Capital to Country | 0 | - | 4.99 | 251,119 |
| Asia Capital to Country | 0 | - | 4.96 | 126,960 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,357 |
| European Capitals by Map | 0 | - | 4.99 | 140,464 |
| African Capitals by Map | 0 | - | 4.99 | 137,524 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,945 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,391 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,727 |
| European Coastal Capitals | 0 | - | 4.95 | 90,913 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,710 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,137 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,823 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,964 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,391 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,040 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,048 |
| Official Cities in the UK | 0 | - | 4.89 | 284,848 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,055 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,835 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,784 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,269 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,623 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,096 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,358 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,623 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,463 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,272 |
| American TV Show Settings | 0 | - | 4.35 | 30,669 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,635 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,504 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,445 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,703 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,814 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,747 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,943 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,343 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,697 |
| US States and State Capitals | 0 | - | 4.99 | 163,763 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,962 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,113 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,269 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,172 |
| States of Mexico | 0 | - | 4.96 | 177,071 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,867 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,978 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,921 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,550 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,258 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,012 |
| Capitals of the Stans | 0 | - | 4.95 | 26,970 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,646 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,636 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,412 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,124 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,610 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,591 |
| South American Cities on the Map | 0 | - | 4.53 | 35,480 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,555 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,836 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,553 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,558 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,649 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,786 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,287 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,693 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,041 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,068 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,481 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,679 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,717 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,586 |
| Pixelated United States Map | 0 | - | 4.88 | 94,515 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,526 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,584 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,313 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,189 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,131 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,599 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,689 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,695 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,652 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,624 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,764 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,618 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,475 |
| Countries by Capital City | 0 | - | 5.00 | 68,763 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,449 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,889 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,445 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,060 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,479 |
| Moved Capital Cities | 0 | - | 4.96 | 74,402 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,000 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,150 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,040 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,672 |
| Which City in Europe? | 0 | - | 4.83 | 107,650 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,499 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,778 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,941 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,615 |
| Regions of U.S. States | 0 | - | 4.37 | 44,018 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,264 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,607 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,402 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,887 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,329 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,842 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,589 |
| Name a City - U.S. States | 0 | - | 4.41 | 28,533 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,856 |
| Random Country to Capital | 0 | - | 4.98 | 923,709 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,897 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,062 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,724 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,017 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,332 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,088 |
