| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,924 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,498 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,252 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,566 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,620 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,335 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,133 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,210 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,321 |
| Europe Capital to Country | 0 | - | 4.99 | 251,602 |
| Asia Capital to Country | 0 | - | 4.96 | 127,214 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,664 |
| European Capitals by Map | 0 | - | 4.99 | 141,459 |
| African Capitals by Map | 0 | - | 4.99 | 141,508 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,625 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,187 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,652 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,993 |
| European Coastal Capitals | 0 | - | 4.95 | 91,103 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,079 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,771 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,330 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,059 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,741 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,202 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,509 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,994 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,412 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,860 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,256 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,471 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,779 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,586 |
| Capitals of the Stans | 0 | - | 4.95 | 27,059 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,290 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,451 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,035 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,728 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,953 |
| Random European Capital to Country | 0 | - | 4.98 | 191,849 |
| Random European Country to Capital | 0 | - | 4.93 | 165,672 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,883 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,273 |
| Random African Capital to Country | 0 | - | 4.97 | 101,152 |
| Random African Country to Capital | 0 | - | 4.94 | 71,622 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,288 |
| Name a City - European Countries | 0 | - | 4.90 | 65,957 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,695 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,250 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,107 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,839 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,757 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,401 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,380 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,517 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,609 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,251 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,112 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,154 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,280 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,229 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,182 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,257 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,807 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,915 |
| Random U.S. City to State | 0 | - | 4.45 | 76,763 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,015 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,057 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,659 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Official Cities in the UK | 0 | - | 4.89 | 285,491 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,304 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,323 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,646 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,213 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,239 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,614 |
| US States Quiz | 0 | - | 5.00 | 16,961,631 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,716 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,471 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,436 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,868 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,529 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,656 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,282 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,091 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Boroughs of New York City | 0 | - | 4.47 | 84,864 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,157 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,773 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,440 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,335 |
| States of Mexico | 0 | - | 4.96 | 177,633 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,255 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,855 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,818 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,027 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,284 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,863 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,753 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,663 |
| South American Cities on the Map | 0 | - | 4.52 | 35,524 |
| ALL California Cities | 0 | - | 4.37 | 43,187 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,487 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,809 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,447 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,431 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,913 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,443 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,999 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,264 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,238 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,532 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,874 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,767 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,538 |
| Pixelated United States Map | 0 | - | 4.88 | 94,652 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,797 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,015 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,031 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,674 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,031 |
| U.S. States By Population | 0 | - | 4.92 | 153,963 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,992 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,759 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,717 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,446 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,956 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,004 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,926 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,812 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,994 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,936 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,816 |
| Countries by Capital City | 0 | - | 5.00 | 69,096 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,668 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,063 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,143 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,637 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,246 |
| Moved Capital Cities | 0 | - | 4.96 | 74,527 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,160 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,745 |
| Which City in Europe? | 0 | - | 4.83 | 107,765 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,971 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,325 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,805 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,284 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,920 |
| US States with an Empty Map | 0 | - | 5.00 | 627,475 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,781 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,114 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,893 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,284 |
| American TV Show Settings | 0 | - | 4.37 | 30,688 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,997 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,433 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| Random Country to Capital | 0 | - | 4.98 | 925,602 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,023 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,185 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,686 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,305 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,650 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,138 |
| North American Sports Cities | 0 | - | 4.83 | 172,955 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,500 |
| Cities in European History #1 | 0 | - | 4.63 | 134,446 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,424 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,852 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,935 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,188 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,570 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,919 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,796 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,339 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,571 |
| Name a Valid World City | 0 | - | 4.84 | 71,754 |
| Cities by Former Name | 0 | - | 4.83 | 91,914 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,865 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,602 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,883 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,631 |
| World Capitals by Map | 0 | - | 5.00 | 288,639 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,682 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,683 |
| Capitals Starting With H | 0 | - | 4.91 | 92,932 |
| Capitals Starting With K | 0 | - | 4.88 | 83,986 |
| Capitals Starting With L | 0 | - | 4.81 | 88,704 |
| Capitals Starting With M | 0 | - | 4.93 | 108,434 |
| Capitals Starting With P | 0 | - | 4.88 | 78,559 |
| Capitals Starting With R | 0 | - | 4.88 | 82,149 |
| Capitals Starting With S | 0 | - | 4.90 | 86,150 |
| Capitals Starting With T | 0 | - | 4.85 | 76,478 |
| Capitals Starting With W | 0 | - | 4.87 | 91,497 |
