| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,037 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,308 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,111 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,847 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,353 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,206 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,982 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,317 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,821 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,902 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,034 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,655 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,042 |
| US States Quiz | 0 | - | 5.00 | 16,930,439 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,450 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,913 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,056 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,192 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,915 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,987 |
| Random U.S. City to State | 0 | - | 4.45 | 76,626 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,473 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,338 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,489 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,362 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,879 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,640 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,180 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,787 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,724 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,412 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,738 |
| U.S. States By Population | 0 | - | 4.92 | 153,799 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,791 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,624 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,569 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,353 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,831 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,947 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,473 |
| Name a City - European Countries | 0 | - | 4.90 | 65,751 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,596 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,171 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,084 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,818 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,731 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Boroughs of New York City | 0 | - | 4.47 | 84,761 |
| US States with an Empty Map | 0 | - | 5.00 | 626,386 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,814 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,124 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,262 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,478 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,903 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,607 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,597 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,057 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,516 |
| ALL California Cities | 0 | - | 4.37 | 43,129 |
| Europe Capital to Country | 0 | - | 4.99 | 251,097 |
| Asia Capital to Country | 0 | - | 4.96 | 126,948 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,333 |
| European Capitals by Map | 0 | - | 4.99 | 140,360 |
| African Capitals by Map | 0 | - | 4.99 | 136,933 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,885 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,378 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,717 |
| European Coastal Capitals | 0 | - | 4.95 | 90,905 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,704 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,124 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,797 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,957 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,005 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,599 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,005 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,601 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,383 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,034 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,405 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,043 |
| Official Cities in the UK | 0 | - | 4.89 | 284,817 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,020 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,692 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,829 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,781 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,263 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,615 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,088 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,349 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,281 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,618 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,460 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,520 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,194 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,321 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,222 |
| American TV Show Settings | 0 | - | 4.35 | 30,667 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,634 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,494 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,445 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,671 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,745 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,552 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,931 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,869 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,645 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,260 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| US States and State Capitals | 0 | - | 4.99 | 163,739 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,954 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,091 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,450 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,255 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,170 |
| States of Mexico | 0 | - | 4.96 | 177,037 |
| Capitals of the Stans | 0 | - | 4.95 | 26,963 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,963 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,635 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,627 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,383 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,115 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,593 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,576 |
| South American Cities on the Map | 0 | - | 4.53 | 35,480 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,555 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,836 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,510 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,553 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,428 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,408 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,845 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,567 |
| Random European Capital to Country | 0 | - | 4.98 | 191,574 |
| Random European Country to Capital | 0 | - | 4.93 | 165,484 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,768 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,075 |
| Random African Capital to Country | 0 | - | 4.97 | 100,983 |
| Random African Country to Capital | 0 | - | 4.94 | 71,461 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,783 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,284 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,286 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,797 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,692 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,588 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,030 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,059 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,473 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,671 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,711 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,538 |
| Pixelated United States Map | 0 | - | 4.88 | 94,509 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,582 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,300 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,396 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,138 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,597 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,689 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,420 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,331 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,673 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,641 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,619 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,757 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,605 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,468 |
| Countries by Capital City | 0 | - | 5.00 | 68,755 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,441 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,882 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,416 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,058 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,475 |
| Moved Capital Cities | 0 | - | 4.96 | 74,400 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,955 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,138 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,036 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,695 |
| Which City in Europe? | 0 | - | 4.83 | 107,646 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,497 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,768 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,928 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,605 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,992 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,261 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,641 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,841 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,588 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,963 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,752 |
| Random Country to Capital | 0 | - | 4.98 | 923,656 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,020 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,091 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,230 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,060 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,867 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,975 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,918 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,549 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,257 |
| New England States | 0 | - | 4.51 | 59,845 |
