| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,463 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,730 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,549,873 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 93,253 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,853 |
| US State Capitals Quiz - No Hints | 0 | - | 4.96 | 81,047 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,913 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 80,090 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 127,953 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 50,266 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 175,340 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 152,087 |
| South America Capitals Quiz | 0 | - | 5.00 | 434,044 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 85,563 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 67,759 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 37,086 |
| US States Quiz | 0 | - | 5.00 | 15,017,772 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,658 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,409 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,799 |
| Random U.S. City to State | 0 | - | 4.44 | 66,914 |
| Africa Capitals Quiz | 0 | - | 4.99 | 650,353 |
| Asia Capitals Quiz | 0 | - | 4.98 | 607,767 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,869 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,299 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,221 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,927 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,907 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,233 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,810 |
| U.S. States By Population | 0 | - | 4.90 | 131,549 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,566 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,896 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,046 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,185 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,438 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,565 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.37 | 236,024 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 107,699 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 37,481 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,675 |
| Boroughs of New York City | 0 | - | 4.45 | 78,065 |
| US States with an Empty Map | 0 | - | 5.00 | 563,586 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 96,132 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 59,085 |
| Europe Capital to Country | 0 | - | 4.99 | 223,790 |
| Asia Capital to Country | 0 | - | 4.96 | 107,345 |
| EU Capitals with No Hints | 0 | - | 4.96 | 127,323 |
| European Capitals by Map | 0 | - | 4.99 | 98,162 |
| African Capitals by Map | 0 | - | 4.99 | 114,077 |
| Asian Capitals by Map | 0 | - | 4.98 | 49,154 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 80,631 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,980 |
| European Coastal Capitals | 0 | - | 4.96 | 78,721 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,543 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 234,481 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 197,681 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,814 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,179 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,239 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 42,577 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 73,120 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,439 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,476 |
| ALL California Cities | 0 | - | 4.36 | 39,721 |
| World Capitals Quiz | 0 | - | 5.00 | 4,581,773 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 187,849 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,846 |
| Official Cities in the UK | 0 | - | 4.87 | 237,175 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,800 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,564 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 107,301 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 79,229 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,720 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,918 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 122,161 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,572 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,407 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,221 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,322 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 34,841 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.65 | 32,546 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,511 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,874 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,410,235 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 76,481 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,818 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 57,365 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 98,299 |
| Name a Valid European Capital | 0 | - | 4.94 | 128,326 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 62,416 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,762 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 31,131 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,474 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.24 | 13,321 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 124,551 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,353 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,453 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,939 |
| States of Mexico | 0 | - | 4.94 | 145,462 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,964 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,697 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 70,988 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,300 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,883 |
| U.S. Cities Chain | 0 | - | 4.04 | 18,600 |
| South American Cities on the Map | 0 | - | 4.55 | 33,496 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,993 |
| California Cities starting with SAN or SANTA | 0 | - | 4.25 | 11,161 |
| Word Scramble - U.S. Cities | 0 | - | 4.07 | 18,733 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.60 | 39,185 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,740 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,720 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 27,324 |
| Northernmost Capital Cities | 0 | - | 4.98 | 96,121 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,967 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,692 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,374 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,378 |
| Countries by Capital City | 0 | - | 4.99 | 51,644 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,280 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,261 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,511 |
| Most Guessed European Capitals | 0 | - | 4.89 | 97,167 |
| Moved Capital Cities | 0 | - | 4.96 | 68,007 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,530 |
| Random European Capital to Country | 0 | - | 4.97 | 155,151 |
| Random European Country to Capital | 0 | - | 4.92 | 137,118 |
| Random Asian Country to Capital | 0 | - | 4.93 | 86,932 |
| Random Asian Capital to Country | 0 | - | 4.97 | 91,029 |
| Random African Capital to Country | 0 | - | 4.97 | 81,163 |
| Random African Country to Capital | 0 | - | 4.94 | 63,229 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 93,357 |
| Melbourne Suburbs | 0 | - | 4.81 | 39,101 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,511 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,463 |
| Pixelated United States Map | 0 | - | 4.90 | 83,851 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,508 |
| Random African Capitals on a Map | 0 | - | 4.95 | 49,350 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 46,070 |
| Random European Capitals on a Map | 0 | - | 4.98 | 121,978 |
| Which City in Europe? | 0 | - | 4.85 | 98,853 |
| Neighborhoods of New York City | 0 | - | 4.35 | 27,579 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,529 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,883 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,337 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,163 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 282,736 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,480 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,703 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,588 |
| New England States | 0 | - | 4.52 | 52,599 |
| US States by Land Area | 0 | - | 4.54 | 49,001 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,462 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,387 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,754 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,757 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,409 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,310 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,192 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,494 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,652 |
| Important Cities in European History | 0 | - | 4.55 | 110,885 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 35,030 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.37 | 40,360 |
| European Cities by Map #2 | 0 | - | 4.48 | 44,793 |
| European Cities by Map #1 | 0 | - | 4.66 | 52,249 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 39,159 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,158 |
| Mediterranean Cities by Map | 0 | - | 4.49 | 49,552 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,737 |
| Cities in Squares on a Map - Europe | 0 | - | 4.75 | 47,037 |
| Cities by Former Name | 0 | - | 4.84 | 84,246 |
| Capitals in their Native Languages | 0 | - | 4.94 | 128,186 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,968 |
| World Capitals by Proximity | 0 | - | 4.89 | 303,946 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 49,354 |
| World Capitals by Map | 0 | - | 5.00 | 248,101 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 51,098 |
| Random Capital to Country | 0 | - | 4.99 | 2,398,403 |
| Random Country to Capital | 0 | - | 4.98 | 815,847 |
| World Capitals By Letter - H | 0 | - | 4.85 | 72,168 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,839 |
| World Capitals By Letter - M | 0 | - | 4.89 | 87,216 |
| World Capitals By Letter - P | 0 | - | 4.85 | 68,063 |
| World Capitals By Letter - R | 0 | - | 4.88 | 73,141 |
| World Capitals By Letter - S | 0 | - | 4.89 | 75,524 |
| World Capitals By Letter - T | 0 | - | 4.82 | 67,307 |
| World Capitals By Letter - W | 0 | - | 4.88 | 83,159 |
| World Capitals By Letter - A | 0 | - | 4.96 | 106,423 |
| World Capitals By Letter - B | 0 | - | 4.84 | 98,181 |
| World Capitals By Letter - D | 0 | - | 4.91 | 80,215 |
| Longest U.S. State Borders | 0 | - | 4.66 | 35,005 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,725 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,413 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,253 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,634 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 102,429 |
| Top 10 Hottest U.S. States | 0 | - | 4.88 | 112,316 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 57,640 |
