| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,467 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,650 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,925 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,771 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,609 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,946 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,934 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,672 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,550 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,589 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,939 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,155 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,188 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,950 |
| US States Quiz | 0 | - | 5.00 | 16,728,338 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,649 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,530 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,913 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,049 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,131 |
| US States with an Empty Map | 0 | - | 5.00 | 619,688 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,887 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,569 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,167 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,015 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,809 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,379 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,928 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,736 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,131 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,050 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,854 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,649 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,858 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,983 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,027 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,532 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,225 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,945 |
| Random U.S. City to State | 0 | - | 4.45 | 75,453 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,046 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,291 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,366 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,876 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,558 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,108 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,620 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,168 |
| Random European Capital to Country | 0 | - | 4.98 | 189,421 |
| Random European Country to Capital | 0 | - | 4.92 | 147,619 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,483 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,564 |
| Random African Capital to Country | 0 | - | 4.97 | 99,805 |
| Random African Country to Capital | 0 | - | 4.94 | 70,316 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,973 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,899 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,515 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,567 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,858 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,109 |
| U.S. States By Population | 0 | - | 4.92 | 152,504 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,550 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,964 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,695 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,821 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,991 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,837 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,050 |
| Name a City - European Countries | 0 | - | 4.92 | 64,602 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,385 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,707 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,346 |
| Boroughs of New York City | 0 | - | 4.47 | 84,193 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,186 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,017 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,287 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,205 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,507 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,081 |
| ALL California Cities | 0 | - | 4.37 | 42,866 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,397 |
| Europe Capital to Country | 0 | - | 4.99 | 248,271 |
| Asia Capital to Country | 0 | - | 4.96 | 125,890 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,723 |
| European Capitals by Map | 0 | - | 4.99 | 136,866 |
| African Capitals by Map | 0 | - | 4.99 | 132,393 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,409 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,372 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,762 |
| European Coastal Capitals | 0 | - | 4.95 | 89,908 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,247 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,458 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,194 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,475 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,014 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,823 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,607 |
| Official Cities in the UK | 0 | - | 4.89 | 281,065 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,774 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,397 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,779 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,537 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,307 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,291 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,786 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,649 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,863 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 10,896 |
| American TV Show Settings | 0 | - | 4.35 | 30,598 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,484 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,378 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,297 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,384 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,626 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,908 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,193 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,758 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,568 |
| US States and State Capitals | 0 | - | 4.99 | 159,026 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,778 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,371 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,961 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,287 |
| States of Mexico | 0 | - | 4.95 | 173,791 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,628 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,451 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,477 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,308 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,053 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,692 |
| Capitals of the Stans | 0 | - | 4.95 | 26,496 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,444 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,561 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,832 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,962 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,703 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,633 |
| South American Cities on the Map | 0 | - | 4.57 | 35,267 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,456 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,644 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,482 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,479 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,254 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,605 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,058 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,980 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,648 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,975 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,488 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,734 |
| Pixelated United States Map | 0 | - | 4.89 | 93,609 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,430 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 53,061 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,862 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,557 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,753 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,310 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,501 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,574 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,023 |
| Find the City #1 | 0 | - | 4.97 | 42,255 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,230 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,844 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,791 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,937 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,755 |
| Countries by Capital City | 0 | - | 5.00 | 66,982 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,499 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,037 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,886 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,838 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,515 |
| Moved Capital Cities | 0 | - | 4.96 | 73,710 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,350 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,696 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,994 |
| Which City in Europe? | 0 | - | 4.83 | 106,847 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,253 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,568 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,764 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,953 |
| Regions of U.S. States | 0 | - | 4.37 | 43,538 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,852 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,505 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,346 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,783 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,218 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,582 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,472 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,559 |
| All Cities in Canada on a Map | 0 | - | 4.40 | 18,325 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,075 |
| Random Country to Capital | 0 | - | 4.98 | 912,866 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,693 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,840 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,714 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,116 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,238 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,946 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,789 |
