| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,540,905 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,472 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,716 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 127,180 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,914 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,181 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,854 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,370 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,245 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,209 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 92,351 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,203 |
| US States Quiz | 0 | - | 5.00 | 14,909,469 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,182 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,198 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 121,537 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,445 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,350 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,266 |
| US States with an Empty Map | 0 | - | 5.00 | 560,010 |
| South America Capitals Quiz | 0 | - | 5.00 | 430,909 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,716 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,123 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,390 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 34,692 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,384 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,966 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,928 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,302 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,856 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 235,429 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 186,667 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 342,201 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,090 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 131,162 |
| Random U.S. City to State | 0 | - | 4.44 | 66,371 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 75,704 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.65 | 32,465 |
| Africa Capitals Quiz | 0 | - | 4.99 | 643,292 |
| Asia Capitals Quiz | 0 | - | 4.98 | 601,929 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,174 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,198 |
| Random European Capital to Country | 0 | - | 4.97 | 154,246 |
| Random European Country to Capital | 0 | - | 4.92 | 136,142 |
| Random Asian Country to Capital | 0 | - | 4.94 | 86,372 |
| Random Asian Capital to Country | 0 | - | 4.97 | 90,360 |
| Random African Capital to Country | 0 | - | 4.97 | 80,614 |
| Random African Country to Capital | 0 | - | 4.94 | 62,494 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 31,059 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.24 | 13,286 |
| The 13 Colonies Quiz | 0 | - | 4.96 | 101,466 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,304 |
| 10 Southernmost U.S. States | 0 | - | 4.85 | 100,350 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,421 |
| U.S. States that Start with M | 0 | - | 4.91 | 151,985 |
| U.S. States By Population | 0 | - | 4.90 | 131,060 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,530 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,571 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,578 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,788 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,732 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,281 |
| U.S Cities by African-American Population | 0 | - | 4.39 | 83,195 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,508 |
| Name a City - European Countries | 0 | - | 4.95 | 53,001 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,341 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 92,416 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.37 | 19,870 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,637 |
| Boroughs of New York City | 0 | - | 4.45 | 77,693 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,438 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,926 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,839 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,828 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 57,992 |
| ALL California Cities | 0 | - | 4.36 | 39,485 |
| Europe Capital to Country | 0 | - | 4.99 | 222,177 |
| Asia Capital to Country | 0 | - | 4.96 | 106,645 |
| EU Capitals with No Hints | 0 | - | 4.96 | 126,238 |
| European Capitals by Map | 0 | - | 4.99 | 96,413 |
| African Capitals by Map | 0 | - | 4.99 | 112,732 |
| Asian Capitals by Map | 0 | - | 4.98 | 48,362 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 79,940 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,316 |
| European Coastal Capitals | 0 | - | 4.95 | 78,064 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,180 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 232,064 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 196,031 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,513 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,263 |
| Top 10 Hottest U.S. States | 0 | - | 4.83 | 101,782 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,341 |
| Official Cities in the UK | 0 | - | 4.86 | 235,072 |
| World Capitals Quiz | 0 | - | 5.00 | 4,545,418 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,744 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,098 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 85,019 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 106,599 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,701 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 67,419 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,143 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,525 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,752 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 56,519 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,757 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 96,187 |
| Name a Valid European Capital | 0 | - | 4.94 | 126,665 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,125 |
| Most Guessed US State Capitals | 0 | - | 4.35 | 23,361 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 122,858 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,590 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,572 |
| Mexico States Map Quiz | 0 | - | 4.84 | 91,497 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,457 |
| States of Mexico | 0 | - | 4.94 | 143,713 |
| U.S. States with the Longest International Borders | 0 | - | 4.75 | 41,835 |
| Longest U.S. State Borders | 0 | - | 4.59 | 34,701 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,389 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,257 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,115 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,455 |
| Capitals of the Stans | 0 | - | 4.95 | 21,602 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 142,888 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,435 |
| 500 Biggest US Cities | 0 | - | 4.88 | 99,978 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,347 |
| U.S. Cities Chain | 0 | - | 4.04 | 18,492 |
| South American Cities on the Map | 0 | - | 4.55 | 33,340 |
| California Cities starting with SAN or SANTA | 0 | - | 4.25 | 11,095 |
| Word Scramble - U.S. Cities | 0 | - | 4.07 | 18,639 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,673 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,678 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 27,167 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,399,165 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,857 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.70 | 31,974 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 44,246 |
| Melbourne Suburbs | 0 | - | 4.81 | 38,527 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,596 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,737 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,558 |
| Pixelated United States Map | 0 | - | 4.90 | 83,069 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,830 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 34,291 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 70,052 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 44,495 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,764 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,533 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,489 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,267 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,430 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,164 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,340 |
| Same Letter Country and Capital | 0 | - | 4.99 | 129,049 |
| Countries by Capital City | 0 | - | 4.99 | 50,712 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,700 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,786 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,338 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,891 |
| Moved Capital Cities | 0 | - | 4.96 | 67,637 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,726 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 45,535 |
| Random European Capitals on a Map | 0 | - | 4.98 | 108,246 |
| Which City in Europe? | 0 | - | 4.84 | 98,373 |
| Neighborhoods of New York City | 0 | - | 4.35 | 27,258 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,196 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,638 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,283 |
| Countries that Beat Canada | 0 | - | 4.91 | 78,847 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 279,122 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,289 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,818 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,595 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,078 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,928 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,941 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.36 | 39,937 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,059 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.37 | 24,672 |
| Random Capital to Country | 0 | - | 4.99 | 2,382,865 |
| Random Country to Capital | 0 | - | 4.98 | 810,371 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.57 | 40,673 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,180 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,800 |
| U.S. States with the Fewest Borders | 0 | - | 4.75 | 106,350 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,178 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.76 | 33,554 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,460 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,859 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,503 |
| New England States | 0 | - | 4.52 | 52,521 |
| US States by Land Area | 0 | - | 4.54 | 48,806 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,361 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,050 |
| Events by U.S. State #1 | 0 | - | 4.42 | 21,866 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,474 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,547 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 153,069 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,239 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 83,011 |
