| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,449 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,000 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,145 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,087 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,270 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,974 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,717 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,604 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,061 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,987 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,475 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,435 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,989 |
| US States Quiz | 0 | - | 5.00 | 16,785,723 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,756 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,754 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,099 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,089 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,158 |
| US States with an Empty Map | 0 | - | 5.00 | 621,552 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,357 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,592 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,197 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,030 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,866 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,441 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,389 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,125 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,556 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,159 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,153 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,778 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,949 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,187 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,849 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,179 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,554 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,095 |
| Random U.S. City to State | 0 | - | 4.45 | 75,783 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,120 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,463 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,647 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,908 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,899 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,319 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,947 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,367 |
| Random European Capital to Country | 0 | - | 4.98 | 190,073 |
| Random European Country to Capital | 0 | - | 4.92 | 157,269 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,849 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,924 |
| Random African Capital to Country | 0 | - | 4.97 | 100,133 |
| Random African Country to Capital | 0 | - | 4.94 | 70,666 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,992 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,401 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,955 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,957 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,410 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,638 |
| U.S. States By Population | 0 | - | 4.92 | 152,814 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,928 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,189 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,979 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,000 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,292 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,007 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,331 |
| Name a City - European Countries | 0 | - | 4.91 | 64,919 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,649 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,746 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,370 |
| Boroughs of New York City | 0 | - | 4.47 | 84,348 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,437 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,214 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,322 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,330 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,147 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,506 |
| ALL California Cities | 0 | - | 4.37 | 42,941 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,427 |
| Europe Capital to Country | 0 | - | 4.99 | 248,991 |
| Asia Capital to Country | 0 | - | 4.96 | 126,207 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,207 |
| European Capitals by Map | 0 | - | 4.99 | 137,845 |
| African Capitals by Map | 0 | - | 4.99 | 132,901 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,754 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,649 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,019 |
| European Coastal Capitals | 0 | - | 4.95 | 90,159 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,371 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,340 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,975 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,603 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,243 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,105 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,705 |
| Official Cities in the UK | 0 | - | 4.89 | 282,248 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,980 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,348 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,019 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,728 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,689 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,537 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,945 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,867 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,015 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,009 |
| American TV Show Settings | 0 | - | 4.35 | 30,614 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,520 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,689 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,333 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,251 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,686 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,122 |
| All Cities in Canada on a Map | 0 | - | 4.41 | 18,375 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,697 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,932 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,603 |
| US States and State Capitals | 0 | - | 4.99 | 160,375 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,083 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,413 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,208 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,597 |
| States of Mexico | 0 | - | 4.95 | 174,826 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,701 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,603 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,617 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,375 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,115 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,782 |
| Capitals of the Stans | 0 | - | 4.95 | 26,616 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,753 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,832 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,048 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,298 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,137 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,861 |
| South American Cities on the Map | 0 | - | 4.56 | 35,320 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,486 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,713 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,501 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,475 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,367 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,653 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,132 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,384 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,044 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,284 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,188 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,753 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,933 |
| Pixelated United States Map | 0 | - | 4.89 | 93,847 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,453 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,681 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,726 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,751 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,864 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,393 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,549 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,844 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,510 |
| Find the City #1 | 0 | - | 4.97 | 42,504 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,635 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,070 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,091 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,353 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,220 |
| Countries by Capital City | 0 | - | 5.00 | 67,526 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,770 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,270 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,802 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,915 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,726 |
| Moved Capital Cities | 0 | - | 4.96 | 73,901 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,511 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,811 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,274 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,177 |
| Which City in Europe? | 0 | - | 4.83 | 107,021 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,329 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,859 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,190 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,137 |
| Regions of U.S. States | 0 | - | 4.37 | 43,668 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,957 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,524 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,358 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,813 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,246 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,657 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,509 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,623 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,655 |
| Random Country to Capital | 0 | - | 4.98 | 915,304 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,738 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,937 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,019 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,267 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,269 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,981 |
