| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,399 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,097 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,113 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,998 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,696 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,708 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,024 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,760 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,670 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,496 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,275 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,925 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,751 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,062 |
| US States Quiz | 0 | - | 5.00 | 16,858,256 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,866 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,033 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,365 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,141 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,184 |
| US States with an Empty Map | 0 | - | 5.00 | 624,050 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,016 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,620 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,232 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,060 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,914 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,523 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,918 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,516 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,077 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,306 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,522 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,904 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,066 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,385 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,708 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,860 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,923 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,291 |
| Random U.S. City to State | 0 | - | 4.45 | 76,216 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,251 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,695 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,951 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,963 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,945 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,148 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,365 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,620 |
| Random European Capital to Country | 0 | - | 4.98 | 190,778 |
| Random European Country to Capital | 0 | - | 4.93 | 164,990 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,374 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,696 |
| Random African Capital to Country | 0 | - | 4.97 | 100,656 |
| Random African Country to Capital | 0 | - | 4.94 | 71,172 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,004 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,774 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,312 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,341 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,873 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,148 |
| U.S. States By Population | 0 | - | 4.92 | 153,483 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,349 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,393 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,236 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,175 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,560 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,720 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,106 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,412 |
| Name a City - European Countries | 0 | - | 4.90 | 65,312 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,002 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,775 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,393 |
| Boroughs of New York City | 0 | - | 4.47 | 84,553 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,689 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,428 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,369 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,460 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,574 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,991 |
| ALL California Cities | 0 | - | 4.37 | 43,025 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,448 |
| Europe Capital to Country | 0 | - | 4.99 | 249,883 |
| Asia Capital to Country | 0 | - | 4.96 | 126,583 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,760 |
| European Capitals by Map | 0 | - | 4.99 | 138,940 |
| African Capitals by Map | 0 | - | 4.99 | 133,636 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,251 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,001 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,344 |
| European Coastal Capitals | 0 | - | 4.95 | 90,521 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,552 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,631 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,815 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,799 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,594 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,549 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,870 |
| Official Cities in the UK | 0 | - | 4.89 | 283,447 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,230 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,467 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,401 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,971 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,164 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,782 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,142 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,267 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,242 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,149 |
| American TV Show Settings | 0 | - | 4.35 | 30,641 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,573 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,084 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,389 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,406 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,752 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,439 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,265 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,121 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,636 |
| US States and State Capitals | 0 | - | 4.99 | 161,899 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,531 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,704 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,651 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,888 |
| States of Mexico | 0 | - | 4.95 | 175,829 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,778 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,781 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,762 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,457 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,171 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,899 |
| Capitals of the Stans | 0 | - | 4.95 | 26,814 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,174 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,183 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,332 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,708 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,701 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,141 |
| South American Cities on the Map | 0 | - | 4.53 | 35,407 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,521 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,737 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,522 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,899 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,486 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,727 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,216 |
| Melbourne Suburbs | 0 | - | 4.85 | 53,041 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,551 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,674 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,341 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,238 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,486 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,632 |
| Pixelated United States Map | 0 | - | 4.87 | 94,190 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,490 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,055 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,106 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,969 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,999 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,507 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,621 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,011 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,135 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,331 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,409 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,129 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,868 |
| Countries by Capital City | 0 | - | 5.00 | 68,131 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,098 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,579 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,058 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,981 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,095 |
| Moved Capital Cities | 0 | - | 4.96 | 74,138 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,713 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,957 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,611 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,516 |
| Which City in Europe? | 0 | - | 4.83 | 107,336 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,408 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,324 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,975 |
| Countries that Beat Canada | 0 | - | 4.90 | 94,593 |
| Regions of U.S. States | 0 | - | 4.37 | 43,839 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,145 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,566 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,381 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,841 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,284 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,743 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,548 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,694 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,940 |
| Random Country to Capital | 0 | - | 4.98 | 919,690 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,811 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,010 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,360 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,507 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,298 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,037 |
