| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,798 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,210 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,358 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,393 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,583 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,509 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,738 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,911 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,026 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,250 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,457 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,947 |
| Name a City - European Countries | 0 | - | 4.91 | 65,015 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,041 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,549 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,216 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,861 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,372 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,148 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,255 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,186 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,219 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,215 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,625 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,810 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,980 |
| Europe Capital to Country | 0 | - | 4.99 | 249,186 |
| Asia Capital to Country | 0 | - | 4.96 | 126,290 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,347 |
| European Capitals by Map | 0 | - | 4.99 | 138,092 |
| African Capitals by Map | 0 | - | 4.99 | 133,007 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,843 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,729 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,092 |
| European Coastal Capitals | 0 | - | 4.95 | 90,229 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,404 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,583 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,167 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,652 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,186 |
| World Capitals Quiz | 0 | - | 5.00 | 5,055,434 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,774 |
| Official Cities in the UK | 0 | - | 4.89 | 282,516 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,132 |
| Random U.S. City to State | 0 | - | 4.45 | 75,860 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,191 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,151 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,511 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,575 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,099 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,798 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,791 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,588 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,988 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,943 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,076 |
| US States Quiz | 0 | - | 5.00 | 16,801,111 |
| Capitals of the Stans | 0 | - | 4.95 | 26,657 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,350 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,823 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,782 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,986 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,724 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,616 |
| Which City in Canada? | 0 | - | 4.82 | 56,903 |
| Boroughs of New York City | 0 | - | 4.47 | 84,397 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,319 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,781 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,344 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,477 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,234 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,829 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,971 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,008 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,163 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,665 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,302 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,646 |
| States of Mexico | 0 | - | 4.95 | 175,092 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,318 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,845 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,904 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,103 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,399 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,248 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,930 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,358 |
| South American Cities on the Map | 0 | - | 4.56 | 35,335 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,614 |
| ALL California Cities | 0 | - | 4.37 | 42,955 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,431 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,718 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,122 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,146 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,727 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,338 |
| Countries by Capital City | 0 | - | 5.00 | 67,653 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,836 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,332 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,090 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,803 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,396 |
| Moved Capital Cities | 0 | - | 4.96 | 73,951 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,438 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,265 |
| Random European Capital to Country | 0 | - | 4.98 | 190,332 |
| Random European Country to Capital | 0 | - | 4.93 | 162,519 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,987 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,093 |
| Random African Capital to Country | 0 | - | 4.97 | 100,293 |
| Random African Country to Capital | 0 | - | 4.94 | 70,875 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,141 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,371 |
| Canada Country Quiz | 0 | - | 4.54 | 132,193 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,960 |
| Pixelated United States Map | 0 | - | 4.89 | 93,921 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,482 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,014 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,033 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,516 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,744 |
| U.S. States By Population | 0 | - | 4.92 | 152,876 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,019 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,232 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,033 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,033 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,363 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,929 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,563 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,845 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,338 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,146 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,097 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,159 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,878 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,456 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,923 |
| Which City in Europe? | 0 | - | 4.83 | 107,077 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,980 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,312 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,491 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,028 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,256 |
| US States with an Empty Map | 0 | - | 5.00 | 622,036 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,513 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,212 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,673 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,036 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,509 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,025 |
| North American Sports Cities | 0 | - | 4.83 | 171,549 |
| American TV Show Settings | 0 | - | 4.35 | 30,620 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,084 |
| Cities in European History #1 | 0 | - | 4.63 | 133,632 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,280 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,669 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,848 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,085 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,117 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,552 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,697 |
| Name a Valid World City | 0 | - | 4.83 | 70,759 |
| Cities by Former Name | 0 | - | 4.84 | 91,327 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,262 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,489 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,678 |
| World Capitals by Map | 0 | - | 5.00 | 285,098 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,034 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,754 |
| Random Country to Capital | 0 | - | 4.98 | 916,268 |
| Capitals Starting With H | 0 | - | 4.90 | 91,825 |
| Capitals Starting With K | 0 | - | 4.85 | 76,017 |
| Capitals Starting With L | 0 | - | 4.81 | 87,234 |
| Capitals Starting With M | 0 | - | 4.93 | 106,708 |
| Capitals Starting With P | 0 | - | 4.88 | 77,523 |
| Capitals Starting With R | 0 | - | 4.87 | 81,294 |
| Capitals Starting With S | 0 | - | 4.89 | 85,149 |
| Capitals Starting With T | 0 | - | 4.84 | 75,628 |
| Capitals Starting With W | 0 | - | 4.87 | 90,909 |
| Capitals Starting With A | 0 | - | 4.97 | 127,057 |
| Capitals Starting With B | 0 | - | 4.89 | 117,721 |
| Capitals Starting With D | 0 | - | 4.93 | 95,798 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,601 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,204 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,038 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,107 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,339 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,220 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,647 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,753 |
| O Canada Lyrics | 0 | - | 4.47 | 50,898 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,641 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,455 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,638 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,178 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,495 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,723 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,219 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,507 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,598 |
