| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,548,897 |
| US State Capitals Quiz - No Hints | 0 | - | 4.96 | 81,002 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,899 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 127,877 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 50,235 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,338 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,660 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 37,470 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 175,013 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,981 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 93,155 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,786 |
| US States Quiz | 0 | - | 5.00 | 15,007,243 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,383 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 80,042 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 122,086 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,559 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,401 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,215 |
| US States with an Empty Map | 0 | - | 5.00 | 563,143 |
| South America Capitals Quiz | 0 | - | 5.00 | 433,772 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,760 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,172 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,462 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 34,827 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 42,503 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 73,052 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,408 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,428 |
| 1M Cities by Proximity - United States | 0 | - | 4.54 | 139,212 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 37,050 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.37 | 235,950 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 187,732 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,511 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,765 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,751 |
| Random U.S. City to State | 0 | - | 4.44 | 66,842 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 76,391 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.65 | 32,535 |
| Africa Capitals Quiz | 0 | - | 4.99 | 649,737 |
| Asia Capitals Quiz | 0 | - | 4.98 | 607,104 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,799 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,490 |
| Random European Capital to Country | 0 | - | 4.97 | 155,016 |
| Random European Country to Capital | 0 | - | 4.92 | 137,006 |
| Random Asian Country to Capital | 0 | - | 4.93 | 86,828 |
| Random Asian Capital to Country | 0 | - | 4.97 | 90,927 |
| Random African Capital to Country | 0 | - | 4.97 | 81,110 |
| Random African Country to Capital | 0 | - | 4.94 | 63,066 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 31,118 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.24 | 13,319 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,182 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,873 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,853 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,141 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,741 |
| U.S. States By Population | 0 | - | 4.90 | 131,501 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,499 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,862 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 79,028 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,020 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,142 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,486 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,412 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,562 |
| Name a City - European Countries | 0 | - | 4.95 | 53,736 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,627 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 93,159 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 19,964 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,673 |
| Boroughs of New York City | 0 | - | 4.45 | 78,021 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,095 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,541 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,955 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 96,034 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 58,985 |
| ALL California Cities | 0 | - | 4.36 | 39,702 |
| Europe Capital to Country | 0 | - | 4.99 | 223,554 |
| Asia Capital to Country | 0 | - | 4.96 | 107,288 |
| EU Capitals with No Hints | 0 | - | 4.96 | 127,154 |
| European Capitals by Map | 0 | - | 4.99 | 97,968 |
| African Capitals by Map | 0 | - | 4.99 | 113,932 |
| Asian Capitals by Map | 0 | - | 4.98 | 49,068 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 80,536 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,901 |
| European Coastal Capitals | 0 | - | 4.96 | 78,650 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,499 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 234,235 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 197,497 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,781 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 102,317 |
| Top 10 Hottest U.S. States | 0 | - | 4.89 | 111,272 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 57,600 |
| Official Cities in the UK | 0 | - | 4.87 | 236,891 |
| World Capitals Quiz | 0 | - | 5.00 | 4,578,003 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,631 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,515 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 85,479 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 107,229 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 79,189 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 67,722 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,657 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,874 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,802 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 57,235 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,855 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 98,014 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.98 | 12,253 |
| Name a Valid European Capital | 0 | - | 4.94 | 128,130 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 62,380 |
| Most Guessed US State Capitals | 0 | - | 4.35 | 23,443 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 124,331 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,275 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,247 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,884 |
| States of Mexico | 0 | - | 4.94 | 145,327 |
| Longest U.S. State Borders | 0 | - | 4.66 | 34,973 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,686 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,393 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,236 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,611 |
| Capitals of the Stans | 0 | - | 4.95 | 21,909 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,556 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 70,917 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,180 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,808 |
| U.S. Cities Chain | 0 | - | 4.04 | 18,587 |
| South American Cities on the Map | 0 | - | 4.55 | 33,484 |
| California Cities starting with SAN or SANTA | 0 | - | 4.25 | 11,154 |
| Word Scramble - U.S. Cities | 0 | - | 4.07 | 18,731 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,732 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,719 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 27,305 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,408,925 |
| Most Guessed European Capitals | 0 | - | 4.89 | 97,119 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.69 | 32,124 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 44,381 |
| Melbourne Suburbs | 0 | - | 4.81 | 39,046 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,421 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,402 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,226 |
| Pixelated United States Map | 0 | - | 4.90 | 83,811 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,903 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,443 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 70,447 |
| Name a Valid U.S. State #3 | 0 | - | 4.77 | 44,750 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,925 |
| U.S. State Superlatives #2 | 0 | - | 4.52 | 37,669 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,940 |
| Northernmost Capital Cities | 0 | - | 4.98 | 96,048 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,927 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,639 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,296 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,269 |
| Countries by Capital City | 0 | - | 4.99 | 51,527 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,211 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,210 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,488 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,439 |
| Moved Capital Cities | 0 | - | 4.96 | 67,980 |
| Random African Capitals on a Map | 0 | - | 4.95 | 49,145 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 45,850 |
| Random European Capitals on a Map | 0 | - | 4.98 | 112,154 |
| Which City in Europe? | 0 | - | 4.85 | 98,791 |
| Neighborhoods of New York City | 0 | - | 4.35 | 27,541 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,498 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,167 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,236 |
| Countries that Beat Canada | 0 | - | 4.91 | 79,324 |
| Regions of US States | 0 | - | 4.15 | 31,629 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 282,341 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,458 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,852 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,682 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,168 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,437 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 35,020 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.37 | 40,331 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,142 |
| Name a City - U.S. States | 0 | - | 4.41 | 24,832 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.37 | 24,793 |
| Random Capital to Country | 0 | - | 4.99 | 2,396,983 |
| Random Country to Capital | 0 | - | 4.98 | 815,275 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.57 | 40,808 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,334 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 106,915 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,254 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.76 | 33,695 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,584 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,923 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,550 |
| New England States | 0 | - | 4.52 | 52,591 |
| US States by Land Area | 0 | - | 4.54 | 48,975 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,450 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,350 |
| Events by U.S. State #1 | 0 | - | 4.42 | 21,930 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,730 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,732 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,389 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,278 |
