| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,860 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,168 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,139 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,575 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,844 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,802 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,042 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,774 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,693 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,627 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,625 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,043 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,819 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,078 |
| US States Quiz | 0 | - | 5.00 | 16,877,218 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,886 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,107 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,416 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,151 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,200 |
| US States with an Empty Map | 0 | - | 5.00 | 624,678 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,465 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,625 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,234 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,066 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,940 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,549 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,055 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,622 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,220 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,340 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,620 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,936 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,090 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,458 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,960 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,070 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,070 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,364 |
| Random U.S. City to State | 0 | - | 4.45 | 76,332 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,279 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,740 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,046 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,976 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,742 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,950 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,492 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,672 |
| Random European Capital to Country | 0 | - | 4.98 | 190,923 |
| Random European Country to Capital | 0 | - | 4.93 | 165,132 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,452 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,763 |
| Random African Capital to Country | 0 | - | 4.97 | 100,739 |
| Random African Country to Capital | 0 | - | 4.94 | 71,217 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,005 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,872 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,430 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,440 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,015 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,305 |
| U.S. States By Population | 0 | - | 4.92 | 153,551 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,458 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,445 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,308 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,213 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,625 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,806 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,136 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,428 |
| Name a City - European Countries | 0 | - | 4.90 | 65,391 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,053 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,781 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,398 |
| Boroughs of New York City | 0 | - | 4.47 | 84,597 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,769 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,475 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,379 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,499 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,691 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,105 |
| ALL California Cities | 0 | - | 4.37 | 43,058 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,456 |
| Europe Capital to Country | 0 | - | 4.99 | 250,328 |
| Asia Capital to Country | 0 | - | 4.96 | 126,668 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,888 |
| European Capitals by Map | 0 | - | 4.99 | 139,185 |
| African Capitals by Map | 0 | - | 4.99 | 133,798 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,411 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,080 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,429 |
| European Coastal Capitals | 0 | - | 4.95 | 90,609 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,589 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,032 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,075 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,834 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,658 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,663 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,909 |
| Official Cities in the UK | 0 | - | 4.89 | 283,775 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,097 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,822 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,488 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,042 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,276 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,843 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,179 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,380 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,295 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,180 |
| American TV Show Settings | 0 | - | 4.35 | 30,650 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,589 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,153 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,403 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,703 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,766 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,505 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,395 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,163 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,646 |
| US States and State Capitals | 0 | - | 4.99 | 162,469 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,655 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,073 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,745 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,954 |
| States of Mexico | 0 | - | 4.96 | 176,124 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,797 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,824 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,799 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,485 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,188 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,930 |
| Capitals of the Stans | 0 | - | 4.95 | 26,846 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,319 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,308 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,415 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,815 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,870 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,254 |
| South American Cities on the Map | 0 | - | 4.53 | 35,426 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,527 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,771 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,527 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,514 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,524 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,739 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,229 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,171 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,687 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,775 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,391 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,359 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,554 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,054 |
| Pixelated United States Map | 0 | - | 4.87 | 94,276 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,501 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,270 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 48,032 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,021 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,038 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,536 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,632 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,135 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,253 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,405 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,499 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,230 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,003 |
| Countries by Capital City | 0 | - | 5.00 | 68,283 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,167 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,651 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,444 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,000 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,198 |
| Moved Capital Cities | 0 | - | 4.96 | 74,212 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,832 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,999 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,715 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,556 |
| Which City in Europe? | 0 | - | 4.83 | 107,397 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,429 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,456 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,470 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,606 |
| Regions of U.S. States | 0 | - | 4.37 | 43,881 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,177 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,573 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,387 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,851 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,296 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,764 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,558 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,713 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,521 |
| Random Country to Capital | 0 | - | 4.98 | 920,652 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,836 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,023 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,480 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,856 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,308 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,044 |
