| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,717 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,376 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,941 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,826 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,294 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,528 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,266 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,507 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,420 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,461 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,582 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,243 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,453 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,493 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,541 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,151 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,265 |
| US States Quiz | 0 | - | 5.00 | 16,970,066 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,368 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,108 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,941 |
| Random U.S. City to State | 0 | - | 4.45 | 76,797 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,044 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,576 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,703 |
| Name a City - European Countries | 0 | - | 4.90 | 66,012 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,249 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,947 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,892 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,112 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,118 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,082 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,137 |
| U.S. States By Population | 0 | - | 4.92 | 154,020 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,070 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,794 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,767 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,480 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,998 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,503 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,717 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,263 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,114 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,843 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,766 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,433 |
| Boroughs of New York City | 0 | - | 4.47 | 84,890 |
| US States with an Empty Map | 0 | - | 5.00 | 627,763 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,313 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,879 |
| Europe Capital to Country | 0 | - | 4.99 | 251,750 |
| Asia Capital to Country | 0 | - | 4.96 | 127,264 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,749 |
| European Capitals by Map | 0 | - | 4.99 | 141,679 |
| African Capitals by Map | 0 | - | 4.99 | 141,756 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,750 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,709 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,042 |
| European Coastal Capitals | 0 | - | 4.95 | 91,166 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,104 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,041 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,456 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,089 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,288 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,097 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,200 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,040 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,857 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,158 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,977 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,688 |
| ALL California Cities | 0 | - | 4.37 | 43,202 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,001 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,279 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,697 |
| Official Cities in the UK | 0 | - | 4.89 | 285,732 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,912 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,703 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,093 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,938 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,292 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,830 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,624 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,708 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,218 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,240 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,067 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,672 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,043 |
| Capitals of the Stans | 0 | - | 4.95 | 27,083 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,299 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,671 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,474 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,792 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,678 |
| American TV Show Settings | 0 | - | 4.37 | 30,694 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,779 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,693 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,853 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,379 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,477 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,662 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,027 |
| US States and State Capitals | 0 | - | 4.99 | 164,832 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,216 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,960 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,484 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,376 |
| States of Mexico | 0 | - | 4.96 | 177,787 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,785 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,464 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,081 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,910 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,875 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,201 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,328 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,941 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,804 |
| South American Cities on the Map | 0 | - | 4.52 | 35,532 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,081 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,576 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,926 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,814 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,573 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,135 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,857 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,050 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,022 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,921 |
| Countries by Capital City | 0 | - | 5.00 | 69,181 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,720 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,096 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,309 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,688 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,754 |
| Moved Capital Cities | 0 | - | 4.96 | 74,570 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,984 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,761 |
| Random European Capital to Country | 0 | - | 4.98 | 191,932 |
| Random European Country to Capital | 0 | - | 4.93 | 165,722 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,917 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,324 |
| Random African Capital to Country | 0 | - | 4.97 | 101,192 |
| Random African Country to Capital | 0 | - | 4.95 | 71,658 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,560 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,081 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,353 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,302 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,558 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,777 |
| Pixelated United States Map | 0 | - | 4.88 | 94,701 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,120 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,179 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,300 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,285 |
| Which City in Europe? | 0 | - | 4.83 | 107,794 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,551 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,315 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,417 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,861 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,334 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,350 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,506 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,952 |
| New England States | 0 | - | 4.51 | 59,882 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,013 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,100 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,062 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,240 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,100 |
| U.S. States by Borders | 0 | - | 4.62 | 35,443 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,284 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,653 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,280 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,329 |
| North American Sports Cities | 0 | - | 4.83 | 173,003 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,515 |
| Cities in European History #1 | 0 | - | 4.63 | 134,499 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,908 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,432 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,938 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,613 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,201 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,833 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,386 |
| Name a Valid World City | 0 | - | 4.84 | 71,825 |
| Cities by Former Name | 0 | - | 4.83 | 91,948 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,634 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,914 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,695 |
| World Capitals by Map | 0 | - | 5.00 | 288,870 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,736 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,223 |
| Random Country to Capital | 0 | - | 4.98 | 926,295 |
| Capitals Starting With H | 0 | - | 4.91 | 93,169 |
| Capitals Starting With K | 0 | - | 4.88 | 84,239 |
| Capitals Starting With L | 0 | - | 4.79 | 94,264 |
| Capitals Starting With M | 0 | - | 4.93 | 108,879 |
