| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,451 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,880 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,623 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,869 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,068 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,293 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,877 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,831 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,761 |
| US States with an Empty Map | 0 | - | 5.00 | 627,535 |
| North American Sports Cities | 0 | - | 4.83 | 172,963 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,501 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,230 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,186 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,095 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,835 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,377 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,060 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,662 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,958 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,200 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,695 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,316 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,665 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,144 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,697 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,122 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,966 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,494 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,360 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,359 |
| US States Quiz | 0 | - | 5.00 | 16,963,579 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,226 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,283 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,991 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,691 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,321 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,009 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,657 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,283 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,092 |
| US States and State Capitals | 0 | - | 4.99 | 164,659 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,391 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,493 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,095 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,204 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,613 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,660 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,602 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,282 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,927 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,295 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,590 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,083 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,078 |
| Random U.S. City to State | 0 | - | 4.45 | 76,767 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,023 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,194 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,986 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,333 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,112 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,919 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,798 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,125 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,911 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,331 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,483 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,692 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,017 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,472 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,269 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,391 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,940 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,828 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,009 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,954 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,834 |
| Countries by Capital City | 0 | - | 5.00 | 69,113 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,684 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,074 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,646 |
| Moved Capital Cities | 0 | - | 4.96 | 74,546 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,632 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,753 |
| Random Country to Capital | 0 | - | 4.98 | 925,718 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,025 |
| Boroughs of New York City | 0 | - | 4.47 | 84,868 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,100 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,922 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,467 |
| Rivers of the United States | 0 | - | 4.93 | 66,546 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,300 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,451 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,659 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,809 |
| Name a City - European Countries | 0 | - | 4.90 | 65,968 |
| Cities by Former Name | 0 | - | 4.83 | 91,918 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,614 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,894 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,654 |
| World Capitals by Map | 0 | - | 5.00 | 288,698 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,692 |
| Capitals Starting With H | 0 | - | 4.91 | 93,009 |
| Capitals Starting With K | 0 | - | 4.88 | 84,058 |
| Capitals Starting With L | 0 | - | 4.81 | 91,442 |
| Capitals Starting With M | 0 | - | 4.93 | 108,582 |
| Capitals Starting With P | 0 | - | 4.88 | 78,662 |
| Capitals Starting With R | 0 | - | 4.88 | 82,215 |
| Capitals Starting With S | 0 | - | 4.90 | 86,242 |
| Capitals Starting With T | 0 | - | 4.85 | 76,550 |
| Capitals Starting With W | 0 | - | 4.87 | 91,547 |
| Capitals Starting With A | 0 | - | 4.97 | 128,680 |
| Capitals Starting With B | 0 | - | 4.89 | 119,086 |
| Capitals Starting With D | 0 | - | 4.93 | 96,888 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,659 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,779 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,814 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,883 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,530 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,674 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,545 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,337 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,848 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,675 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,723 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,756 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,055 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,299 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,143 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,309 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,225 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,937 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,403 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,956 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,799 |
| State Quiz - Florida | 0 | - | 4.47 | 62,521 |
| State Quiz - Texas | 0 | - | 4.43 | 63,100 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,937 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,438 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,694 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,577 |
| State Quiz - New York | 0 | - | 4.52 | 46,326 |
| State Quiz - Washington | 0 | - | 4.45 | 36,583 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,502 |
| State Quiz - California | 0 | - | 4.69 | 64,686 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,213 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,852 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,288 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,223 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,312 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,059 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,662 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,915 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,343 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,920 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,403 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,340 |
| American Cities by Stadium | 0 | - | 4.02 | 36,572 |
| City by Football Clubs | 0 | - | 4.38 | 138,282 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,814 |
| Official Cities in the UK | 0 | - | 4.89 | 285,539 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,713 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,667 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,266 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,733 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,824 |
| ALL California Cities | 0 | - | 4.37 | 43,191 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,507 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,163 |
| Name a City - U.S. States | 0 | - | 4.40 | 30,140 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,439 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,338 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,427 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,107 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,648 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| Former Capitals | 0 | - | 4.88 | 71,618 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,704 |
| Europe Capital to Country | 0 | - | 4.99 | 251,645 |
| Asia Capital to Country | 0 | - | 4.96 | 127,227 |
| Capital Cities Chain | 0 | - | 4.84 | 83,207 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,685 |
| European Capitals by Map | 0 | - | 4.99 | 141,507 |
| African Capitals by Map | 0 | - | 4.99 | 141,572 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,014 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,579 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,029 |
| Coldest World Capitals | 0 | - | 4.95 | 134,075 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,650 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,430 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,879 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,671 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,270 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,008 |
| European Coastal Capitals | 0 | - | 4.95 | 91,120 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,811 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,089 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,882 |
