| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,694 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,365 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,816 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,810 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,274 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,517 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,260 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,504 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,283 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,448 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,533 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,186 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,538 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,654 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,146 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,260 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| US States Quiz | 0 | - | 5.00 | 16,968,572 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,345 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,102 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,936 |
| Random U.S. City to State | 0 | - | 4.45 | 76,788 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,404 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,040 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,517 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,624 |
| Name a City - European Countries | 0 | - | 4.90 | 66,002 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,237 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,081 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,860 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,085 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,092 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,954 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,115 |
| U.S. States By Population | 0 | - | 4.92 | 154,012 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,048 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,786 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,757 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,468 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,989 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,502 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,713 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,259 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,113 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,841 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,762 |
| Boroughs of New York City | 0 | - | 4.47 | 84,888 |
| US States with an Empty Map | 0 | - | 5.00 | 627,709 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,298 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,859 |
| Europe Capital to Country | 0 | - | 4.99 | 251,728 |
| Asia Capital to Country | 0 | - | 4.96 | 127,256 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,739 |
| European Capitals by Map | 0 | - | 4.99 | 141,652 |
| African Capitals by Map | 0 | - | 4.99 | 141,723 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,729 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,702 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,037 |
| European Coastal Capitals | 0 | - | 4.95 | 91,154 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,101 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,026 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,423 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,086 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,198 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,841 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,148 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,962 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,687 |
| ALL California Cities | 0 | - | 4.37 | 43,200 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,520 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,261 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,689 |
| Official Cities in the UK | 0 | - | 4.89 | 285,703 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,899 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,685 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,082 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,449 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,925 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,288 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,489 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,821 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,618 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,704 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,217 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,240 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,063 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,669 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,040 |
| Capitals of the Stans | 0 | - | 4.95 | 27,080 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,297 |
| 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 | 1,596,588 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,650 |
| American TV Show Settings | 0 | - | 4.37 | 30,693 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,765 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,650 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,851 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,365 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,475 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,659 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,287 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,097 |
| US States and State Capitals | 0 | - | 4.99 | 164,785 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,206 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,934 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,474 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,364 |
| States of Mexico | 0 | - | 4.96 | 177,762 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,736 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,462 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,078 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,897 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,860 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,169 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,320 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,927 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,793 |
| South American Cities on the Map | 0 | - | 4.52 | 35,531 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,059 |
| 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 | 21,573 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,057 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,852 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,039 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,015 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,905 |
| Countries by Capital City | 0 | - | 5.00 | 69,163 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,713 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,089 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,284 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,681 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,749 |
| Moved Capital Cities | 0 | - | 4.96 | 74,561 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,977 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,760 |
| Random European Capital to Country | 0 | - | 4.98 | 191,919 |
| Random European Country to Capital | 0 | - | 4.93 | 165,715 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,912 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,315 |
| Random African Capital to Country | 0 | - | 4.97 | 101,188 |
| Random African Country to Capital | 0 | - | 4.95 | 71,647 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,547 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,339 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,290 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,554 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,920 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,772 |
| Pixelated United States Map | 0 | - | 4.88 | 94,693 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,120 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,172 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,296 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,274 |
| Which City in Europe? | 0 | - | 4.83 | 107,791 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,549 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,025 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,395 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,852 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,321 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,345 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,946 |
| New England States | 0 | - | 4.51 | 59,881 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,008 |
| 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 | 83,058 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,236 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,095 |
| U.S. States by Borders | 0 | - | 4.62 | 35,441 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,255 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,651 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,275 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,325 |
| North American Sports Cities | 0 | - | 4.83 | 172,988 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,512 |
| Cities in European History #1 | 0 | - | 4.63 | 134,492 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,904 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,431 |
| 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 | 51,198 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,830 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,375 |
| Name a Valid World City | 0 | - | 4.84 | 71,808 |
| Cities by Former Name | 0 | - | 4.83 | 91,942 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,629 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,912 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,685 |
| World Capitals by Map | 0 | - | 5.00 | 288,819 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,729 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,060 |
| Random Country to Capital | 0 | - | 4.98 | 926,097 |
| Capitals Starting With H | 0 | - | 4.91 | 93,140 |
| Capitals Starting With K | 0 | - | 4.88 | 84,209 |
| Capitals Starting With L | 0 | - | 4.79 | 93,890 |
| Capitals Starting With M | 0 | - | 4.93 | 108,827 |
| Capitals Starting With P | 0 | - | 4.88 | 78,801 |
| Capitals Starting With R | 0 | - | 4.88 | 82,356 |
