| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,928 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,424 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,817 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,205 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,033 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,556 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,883 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,484 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,209 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,959 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,673 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,925 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,892 |
| US States Quiz | 0 | - | 5.00 | 16,676,300 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,562 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,284 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,726 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,015 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,114 |
| US States with an Empty Map | 0 | - | 5.00 | 618,032 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,725 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,555 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,139 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 25,997 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,769 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,301 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,520 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,438 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,766 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,659 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,583 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,538 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,760 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,729 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,413 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,025 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,923 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,580 |
| Random U.S. City to State | 0 | - | 4.45 | 75,183 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,968 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,100 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,082 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,828 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,271 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,715 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,943 |
| Random European Capital to Country | 0 | - | 4.98 | 189,041 |
| Random European Country to Capital | 0 | - | 4.92 | 147,321 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,259 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,320 |
| Random African Capital to Country | 0 | - | 4.97 | 99,666 |
| Random African Country to Capital | 0 | - | 4.94 | 70,144 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,957 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,562 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,188 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,247 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,466 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,727 |
| U.S. States By Population | 0 | - | 4.92 | 152,239 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,230 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,761 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,431 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,696 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,776 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,743 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| Name a City - European Countries | 0 | - | 4.92 | 64,253 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,087 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,682 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,334 |
| Boroughs of New York City | 0 | - | 4.47 | 84,052 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,949 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,852 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,260 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,091 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,232 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,627 |
| ALL California Cities | 0 | - | 4.36 | 42,788 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,377 |
| Europe Capital to Country | 0 | - | 4.99 | 247,252 |
| Asia Capital to Country | 0 | - | 4.96 | 125,601 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,260 |
| European Capitals by Map | 0 | - | 4.99 | 135,887 |
| African Capitals by Map | 0 | - | 4.99 | 132,030 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,945 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,058 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,517 |
| European Coastal Capitals | 0 | - | 4.95 | 89,626 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,138 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,318 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,502 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,770 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,539 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,502 |
| Official Cities in the UK | 0 | - | 4.89 | 280,095 |
| World Capitals Quiz | 0 | - | 5.00 | 5,024,969 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,453 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,522 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,321 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,998 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,068 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,360 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,691 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,756 |
| American TV Show Settings | 0 | - | 4.35 | 30,576 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,441 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,072 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,259 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,620 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,578 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,700 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,660 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,601 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,533 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,021 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,493 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,902 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,659 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,253 |
| States of Mexico | 0 | - | 4.95 | 172,994 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,541 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,313 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,341 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,251 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,008 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,617 |
| Capitals of the Stans | 0 | - | 4.95 | 26,361 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,118 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,350 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,591 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,604 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,284 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,432 |
| South American Cities on the Map | 0 | - | 4.57 | 35,223 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,422 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,622 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,463 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,728 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,145 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,566 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,003 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,592 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,260 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,698 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,216 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,478 |
| Pixelated United States Map | 0 | - | 4.89 | 93,271 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,403 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,724 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,075 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,390 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,642 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,233 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,450 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,303 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,559 |
| Find the City #1 | 0 | - | 4.96 | 42,020 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,800 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,554 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,505 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,469 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,196 |
| Countries by Capital City | 0 | - | 5.00 | 66,439 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,216 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,799 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,905 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,768 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,329 |
| Moved Capital Cities | 0 | - | 4.96 | 73,501 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,572 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| Which City in Europe? | 0 | - | 4.83 | 106,537 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,202 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,253 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,364 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,760 |
| Regions of U.S. States | 0 | - | 4.37 | 43,399 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,753 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,476 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,333 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,753 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,188 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,512 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,443 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,517 |
| All Cities in Canada on a Map | 0 | - | 4.40 | 18,267 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,007 |
| Random Country to Capital | 0 | - | 4.98 | 910,378 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,625 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,092 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,454 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,955 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,217 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,920 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,753 |
