| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,993 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,316 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,187 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,929 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,226 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,051 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,077 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,807 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,721 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,981 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,461 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,310 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,993 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,117 |
| US States Quiz | 0 | - | 5.00 | 16,919,507 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,969 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,265 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,507 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,183 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,223 |
| US States with an Empty Map | 0 | - | 5.00 | 626,059 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,615 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,644 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,252 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,991 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,590 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,392 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,852 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,523 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,428 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,846 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,026 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,163 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,571 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,488 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,824 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,351 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,795 |
| Random U.S. City to State | 0 | - | 4.45 | 76,557 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,333 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,866 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,244 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,998 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,822 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,818 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,785 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,804 |
| Random European Capital to Country | 0 | - | 4.98 | 191,482 |
| Random European Country to Capital | 0 | - | 4.93 | 165,397 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,614 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,013 |
| Random African Capital to Country | 0 | - | 4.97 | 100,923 |
| Random African Country to Capital | 0 | - | 4.94 | 71,386 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,018 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,139 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,723 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,679 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,349 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,665 |
| U.S. States By Population | 0 | - | 4.92 | 153,750 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,724 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,601 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,508 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,337 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,800 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,921 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,209 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,462 |
| Name a City - European Countries | 0 | - | 4.90 | 65,628 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,247 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,793 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,415 |
| Boroughs of New York City | 0 | - | 4.47 | 84,715 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,948 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,612 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,412 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,578 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,969 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,403 |
| ALL California Cities | 0 | - | 4.37 | 43,110 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,469 |
| Europe Capital to Country | 0 | - | 4.99 | 250,901 |
| Asia Capital to Country | 0 | - | 4.96 | 126,878 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,210 |
| European Capitals by Map | 0 | - | 4.99 | 139,984 |
| African Capitals by Map | 0 | - | 4.99 | 134,177 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,644 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,304 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,643 |
| European Coastal Capitals | 0 | - | 4.95 | 90,827 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,679 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,895 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,564 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,928 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,327 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,957 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,012 |
| Official Cities in the UK | 0 | - | 4.89 | 284,530 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,447 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,607 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,718 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,214 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,532 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,037 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,303 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,556 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,418 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,255 |
| American TV Show Settings | 0 | - | 4.35 | 30,666 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,620 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,394 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,437 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,332 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,805 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,685 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,745 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,301 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,677 |
| US States and State Capitals | 0 | - | 4.99 | 163,549 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,884 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,871 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,149 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,119 |
| States of Mexico | 0 | - | 4.96 | 176,806 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,848 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,931 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,901 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,539 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,247 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,992 |
| Capitals of the Stans | 0 | - | 4.95 | 26,922 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,564 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,569 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,125 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,062 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,484 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,498 |
| South American Cities on the Map | 0 | - | 4.53 | 35,471 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,550 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,834 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,547 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,013 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,594 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,769 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,275 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,564 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,949 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,000 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,451 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,606 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,674 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,190 |
| Pixelated United States Map | 0 | - | 4.88 | 94,484 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,515 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,543 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,130 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,155 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,108 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,580 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,675 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,583 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,556 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,561 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,700 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,514 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,347 |
| Countries by Capital City | 0 | - | 5.00 | 68,662 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,388 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,827 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,179 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,046 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,423 |
| Moved Capital Cities | 0 | - | 4.96 | 74,359 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,941 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,085 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,940 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,644 |
| Which City in Europe? | 0 | - | 4.83 | 107,574 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,481 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,701 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,830 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,514 |
| Regions of U.S. States | 0 | - | 4.37 | 43,988 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,239 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,601 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,399 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,877 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,322 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,821 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,583 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,756 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,891 |
| Random Country to Capital | 0 | - | 4.98 | 922,881 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,888 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,049 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,674 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,988 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,324 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,072 |
