| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,304 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,878 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,392 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,403 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,550 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,875 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,469 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,191 |
| Random European Capital to Country | 0 | - | 4.98 | 192,429 |
| Random European Country to Capital | 0 | - | 4.93 | 166,133 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,155 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,632 |
| Random African Capital to Country | 0 | - | 4.97 | 101,552 |
| Random African Country to Capital | 0 | - | 4.94 | 71,933 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,284 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,675 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,935 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,619 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,245 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,524 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,494 |
| Name a City - European Countries | 0 | - | 4.89 | 66,465 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,697 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,821 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,664 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,232 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,687 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,203 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,922 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,826 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,831 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,887 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,857 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,679 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,754 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,027 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,435 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,309 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,367 |
| Europe Capital to Country | 0 | - | 4.99 | 252,736 |
| Asia Capital to Country | 0 | - | 4.96 | 127,753 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,388 |
| European Capitals by Map | 0 | - | 4.99 | 142,740 |
| African Capitals by Map | 0 | - | 4.99 | 142,719 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,181 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,201 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,450 |
| European Coastal Capitals | 0 | - | 4.95 | 91,558 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,298 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,518 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,877 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,271 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,345 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,292 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,462 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,009 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,366 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,493 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,048 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,564 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,427 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,157 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,013 |
| Official Cities in the UK | 0 | - | 4.89 | 287,084 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,124 |
| Random U.S. City to State | 0 | - | 4.45 | 77,079 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,310 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,237 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,845 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,406 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,765 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,399 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,538 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,709 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,107 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,864 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,943 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,344 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,285 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,138 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,779 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,106 |
| US States Quiz | 0 | - | 5.00 | 17,032,629 |
| Capitals of the Stans | 0 | - | 4.95 | 27,264 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,522 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,614 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,058 |
| Boroughs of New York City | 0 | - | 4.47 | 85,459 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,983 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,177 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,956 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,070 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,103 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,735 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,690 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,138 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,454 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,851 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,635 |
| States of Mexico | 0 | - | 4.96 | 178,950 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,567 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,299 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,247 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,080 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,670 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,537 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,089 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,822 |
| South American Cities on the Map | 0 | - | 4.52 | 35,592 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,594 |
| ALL California Cities | 0 | - | 4.37 | 43,297 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,524 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,659 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,146 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,417 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,549 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,512 |
| Countries by Capital City | 0 | - | 5.00 | 69,741 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,247 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,418 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,664 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,024 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,963 |
| Moved Capital Cities | 0 | - | 4.96 | 74,767 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,887 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 105,098 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,591 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,702 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,683 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,728 |
| United States Country Quiz | 0 | - | 4.43 | 102,395 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,904 |
| Pixelated United States Map | 0 | - | 4.89 | 95,046 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,252 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,495 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,506 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,590 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,655 |
| U.S. States By Population | 0 | - | 4.92 | 154,312 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,439 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,019 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,024 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,619 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,256 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,226 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,367 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,473 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,616 |
| Which City in Europe? | 0 | - | 4.83 | 108,042 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,824 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,169 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,623 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,479 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,141 |
| US States with an Empty Map | 0 | - | 5.00 | 629,895 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,475 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,499 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,687 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,626 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,385 |
| North American Sports Cities | 0 | - | 4.82 | 173,359 |
| American TV Show Settings | 0 | - | 4.37 | 30,716 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,620 |
| Cities in European History #1 | 0 | - | 4.63 | 134,978 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,484 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,932 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,976 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,251 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,101 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,657 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,926 |
| Cities by Former Name | 0 | - | 4.83 | 92,228 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,003 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,068 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,018 |
| World Capitals by Map | 0 | - | 5.00 | 290,211 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,983 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,286 |
| Random Country to Capital | 0 | - | 4.98 | 930,981 |
| Capitals Starting With H | 0 | - | 4.91 | 93,500 |
| Capitals Starting With K | 0 | - | 4.89 | 84,561 |
| Capitals Starting With L | 0 | - | 4.81 | 96,164 |
| Capitals Starting With M | 0 | - | 4.94 | 109,452 |
| Capitals Starting With P | 0 | - | 4.88 | 79,176 |
| Capitals Starting With R | 0 | - | 4.89 | 82,650 |
| Capitals Starting With S | 0 | - | 4.90 | 86,744 |
| Capitals Starting With T | 0 | - | 4.86 | 76,989 |
| Capitals Starting With W | 0 | - | 4.87 | 91,825 |
| Capitals Starting With A | 0 | - | 4.97 | 129,355 |
| Capitals Starting With B | 0 | - | 4.89 | 119,712 |
| Capitals Starting With D | 0 | - | 4.94 | 97,362 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,039 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,983 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,109 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,762 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,048 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,309 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,790 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,940 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,849 |
