| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,962 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,087 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,103 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,675 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,005 |
| Countries Similar to U.S. States by Population | 0 | - | 4.92 | 69,598 |
| US States Quiz | 0 | - | 5.00 | 16,676,803 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,775 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,543 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,504 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,038 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,567 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,603 |
| Random U.S. City to State | 0 | - | 4.45 | 75,186 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,566 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,629 |
| Name a City - European Countries | 0 | - | 4.92 | 64,258 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,301 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,744 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,147 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,518 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,038 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,795 |
| Boroughs of New York City | 0 | - | 4.47 | 84,053 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,121 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Draw All US State Borders | 0 | - | 4.99 | 133,119 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 64,573 |
| US States with an Empty Map | 0 | - | 5.00 | 618,050 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,522 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,442 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,769 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,092 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,235 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,636 |
| ALL California Cities | 0 | - | 4.36 | 42,791 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,579 |
| Europe Capital to Country | 0 | - | 4.99 | 247,262 |
| Asia Capital to Country | 0 | - | 4.96 | 125,604 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,269 |
| European Capitals by Map | 0 | - | 4.99 | 135,899 |
| African Capitals by Map | 0 | - | 4.99 | 132,036 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,950 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,062 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,519 |
| European Coastal Capitals | 0 | - | 4.95 | 89,628 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,333 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,511 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,123 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,893 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,142 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,582 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,156 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,742 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,770 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,302 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,828 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,333 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,456 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,420 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,925 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,432 |
| Official Cities in the UK | 0 | - | 4.89 | 280,102 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,259 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,032 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,421 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,703 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,154 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 12,994 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,574 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,332 |
| Every City in Michigan on a Map | 0 | - | 4.48 | 9,248 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,542 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,462 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,525 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,999 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,068 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,650 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,204 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,132 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,693 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.40 | 23,185 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,702 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,595 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,816 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,760 |
| Capitals of the Stans | 0 | - | 4.95 | 26,362 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,442 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,076 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,520 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,626 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,417 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,765 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,289 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,345 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,664 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,380 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 88,925 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,556 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,139 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 25,997 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,034 |
| Miami City Trivia | 0 | - | 4.60 | 11,183 |
| All About Atlanta | 0 | - | 4.60 | 11,201 |
| Dallas City Trivia | 0 | - | 4.46 | 6,769 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,159 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,012 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,443 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,932 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,153 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,962 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,251 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,121 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,357 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,597 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,611 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,291 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,434 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,661 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,584 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,423 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,622 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,141 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,761 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,945 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,783 |
| Random European Capital to Country | 0 | - | 4.98 | 189,042 |
| Random European Country to Capital | 0 | - | 4.92 | 147,326 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,262 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,324 |
| Random African Capital to Country | 0 | - | 4.97 | 99,667 |
| Random African Country to Capital | 0 | - | 4.94 | 70,148 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,171 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,421 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,088 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,617 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,500 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,725 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,078 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,235 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,452 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,375 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,543 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,303 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,110 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,213 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,971 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,561 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,968 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 54,794 |
| Find the City #1 | 0 | - | 4.96 | 42,022 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,408 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,803 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,558 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,506 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,473 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,202 |
| Countries by Capital City | 0 | - | 5.00 | 66,443 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,218 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,802 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,916 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,770 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,329 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,769 |
| Moved Capital Cities | 0 | - | 4.96 | 73,504 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,573 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,535 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,562 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,682 |
| Which City in Europe? | 0 | - | 4.83 | 106,538 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,204 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,258 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,756 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,367 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 77,370 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,378,905 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,171 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,951 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 22,983 |
| Every City in Texas on a Map | 0 | - | 4.36 | 14,854 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| North American Sports Cities | 0 | - | 4.83 | 170,740 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,513 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,444 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,631 |
| Name a Valid World City | 0 | - | 4.83 | 69,982 |
| Cities by Former Name | 0 | - | 4.84 | 90,859 |
