| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,860 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,719 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,057 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,923 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,389 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,602 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,295 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,623 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,845 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,553 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,917 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,727 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,579 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,764 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,178 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,294 |
| US States Quiz | 0 | - | 5.00 | 16,986,050 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,516 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,160 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,774 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,985 |
| Random U.S. City to State | 0 | - | 4.45 | 76,836 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,428 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,087 |
| Name a City - European Countries | 0 | - | 4.90 | 66,108 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,294 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,378 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,351 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,581 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,128 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,856 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,780 |
| Boroughs of New York City | 0 | - | 4.47 | 85,289 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,006 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,212 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,231 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,282 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,300 |
| U.S. States By Population | 0 | - | 4.92 | 154,092 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,165 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,854 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,821 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,518 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,060 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,510 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,779 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,436 |
| US States with an Empty Map | 0 | - | 5.00 | 628,288 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,995 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,234 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,113 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,718 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,410 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,982 |
| ALL California Cities | 0 | - | 4.37 | 43,225 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,490 |
| Europe Capital to Country | 0 | - | 4.99 | 251,948 |
| Asia Capital to Country | 0 | - | 4.96 | 127,333 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,890 |
| European Capitals by Map | 0 | - | 4.99 | 141,948 |
| African Capitals by Map | 0 | - | 4.99 | 142,014 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,861 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,807 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,126 |
| European Coastal Capitals | 0 | - | 4.95 | 91,254 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,156 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,432 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,649 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,136 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,209 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,282 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,086 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,695 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,065 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,443 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,322 |
| Official Cities in the UK | 0 | - | 4.89 | 286,028 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,487 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,003 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,985 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,188 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,538 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,049 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,361 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,552 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,906 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,673 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,746 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,228 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,252 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,799 |
| Capitals of the Stans | 0 | - | 4.95 | 27,109 |
| American TV Show Settings | 0 | - | 4.37 | 30,700 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,683 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,865 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,976 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,866 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,495 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,524 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,527 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,665 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,297 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,103 |
| US States and State Capitals | 0 | - | 4.99 | 165,178 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,336 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,279 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,564 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,432 |
| States of Mexico | 0 | - | 4.96 | 178,073 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,124 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,019 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,982 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,473 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,408 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,101 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,870 |
| South American Cities on the Map | 0 | - | 4.52 | 35,544 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,589 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,928 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,583 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,796 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,024 |
| Random European Capital to Country | 0 | - | 4.98 | 192,066 |
| Random European Country to Capital | 0 | - | 4.93 | 165,832 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,952 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,380 |
| Random African Capital to Country | 0 | - | 4.97 | 101,286 |
| Random African Country to Capital | 0 | - | 4.95 | 71,716 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,654 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,229 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,474 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,390 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,599 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,080 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,802 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,169 |
| Pixelated United States Map | 0 | - | 4.88 | 94,769 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,476 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,215 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,283 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,941 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,167 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,161 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,067 |
| Countries by Capital City | 0 | - | 5.00 | 69,297 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,812 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,181 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,658 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,137 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,767 |
| Moved Capital Cities | 0 | - | 4.96 | 74,614 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,213 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,340 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,345 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,787 |
| Which City in Europe? | 0 | - | 4.83 | 107,851 |
| Neighborhoods of New York City | 0 | - | 4.38 | 30,578 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,145 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,582 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,948 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,410 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,375 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,998 |
| New England States | 0 | - | 4.51 | 59,891 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,035 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,113 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,122 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,269 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,129 |
| U.S. States by Borders | 0 | - | 4.62 | 35,464 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,646 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,673 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,322 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,396 |
| North American Sports Cities | 0 | - | 4.83 | 173,086 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,548 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,928 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,629 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,910 |
| Name a Valid World City | 0 | - | 4.85 | 71,930 |
| Cities by Former Name | 0 | - | 4.83 | 92,015 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,668 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,961 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,777 |
| World Capitals by Map | 0 | - | 5.00 | 289,198 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,789 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,714 |
| Random Country to Capital | 0 | - | 4.98 | 927,370 |
| Capitals Starting With H | 0 | - | 4.91 | 93,301 |
| Capitals Starting With K | 0 | - | 4.89 | 84,374 |
| Capitals Starting With M | 0 | - | 4.94 | 109,124 |
| Capitals Starting With P | 0 | - | 4.88 | 78,974 |
| Capitals Starting With R | 0 | - | 4.88 | 82,480 |
| Capitals Starting With S | 0 | - | 4.90 | 86,545 |
| Capitals Starting With T | 0 | - | 4.85 | 76,812 |
| Capitals Starting With W | 0 | - | 4.87 | 91,720 |
| Capitals Starting With A | 0 | - | 4.97 | 129,057 |
| Capitals Starting With B | 0 | - | 4.89 | 119,458 |
| Capitals Starting With D | 0 | - | 4.94 | 97,168 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,032 |
