| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,912 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,994 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,686 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,486 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,598 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,887 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,122 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 73,715 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 126,052 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 173,053 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 150,120 |
| South America Capitals Quiz | 0 | - | 5.00 | 420,283 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 137,267 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,608 |
| US States Quiz | 0 | - | 5.00 | 14,773,354 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,487 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,973 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,416 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,695 |
| Random U.S. City to State | 0 | - | 4.44 | 65,815 |
| Africa Capitals Quiz | 0 | - | 4.99 | 635,905 |
| Asia Capitals Quiz | 0 | - | 4.98 | 595,370 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 116,279 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,701 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,332 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,370 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,922 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,645 |
| U.S. States By Population | 0 | - | 4.90 | 130,093 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,699 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,112 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,432 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,200 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,895 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,441 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 234,748 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 106,321 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,154 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,605 |
| Boroughs of New York City | 0 | - | 4.44 | 77,221 |
| US States with an Empty Map | 0 | - | 5.00 | 555,128 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 80,553 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 56,764 |
| Europe Capital to Country | 0 | - | 4.99 | 220,283 |
| Asia Capital to Country | 0 | - | 4.96 | 105,818 |
| EU Capitals with No Hints | 0 | - | 4.96 | 125,014 |
| European Capitals by Map | 0 | - | 4.99 | 93,996 |
| African Capitals by Map | 0 | - | 4.99 | 110,995 |
| Asian Capitals by Map | 0 | - | 4.98 | 47,271 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 79,073 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 72,216 |
| European Coastal Capitals | 0 | - | 4.95 | 77,308 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,643 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 228,753 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 194,116 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,134 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,959 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,430 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,320 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,257 |
| ALL California Cities | 0 | - | 4.35 | 39,176 |
| World Capitals Quiz | 0 | - | 5.00 | 4,505,798 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 185,046 |
| Official Cities in the UK | 0 | - | 4.86 | 232,730 |
| North America Capitals Quiz | 0 | - | 4.99 | 186,400 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 52,300 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,354 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 105,438 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,055 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 66,975 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,369 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,037 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 120,499 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,226 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,254 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,079 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,152 |
| U.S. State Capital Etymology | 0 | - | 4.51 | 34,495 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.72 | 32,361 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,037 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,620 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,755 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 74,851 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,679 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 93,801 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 61,763 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,662 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,065 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,269 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,898 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,437 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,732 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,897 |
| States of Mexico | 0 | - | 4.95 | 141,720 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,758 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,487 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,645 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,516 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,525 |
| U.S. Cities Chain | 0 | - | 4.04 | 18,420 |
| South American Cities on the Map | 0 | - | 4.55 | 33,180 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,562 |
| California Cities starting with SAN or SANTA | 0 | - | 4.24 | 11,013 |
| Word Scramble - U.S. Cities | 0 | - | 4.07 | 18,479 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,613 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,630 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 26,992 |
| Northernmost Capital Cities | 0 | - | 4.98 | 94,171 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,830 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,482 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,998 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,751 |
| Countries by Capital City | 0 | - | 4.99 | 49,602 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,033 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,182 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,094 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,526 |
| Moved Capital Cities | 0 | - | 4.94 | 52,345 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,781 |
| Random European Capital to Country | 0 | - | 4.97 | 153,016 |
| Random European Country to Capital | 0 | - | 4.92 | 135,180 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,767 |
| Random Asian Capital to Country | 0 | - | 4.97 | 89,345 |
| Random African Country to Capital | 0 | - | 4.94 | 61,956 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 82,177 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,556 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,861 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,662 |
| Pixelated United States Map | 0 | - | 4.90 | 82,362 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,162 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,191 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 45,118 |
| Random European Capitals on a Map | 0 | - | 4.97 | 107,042 |
| Which City in Europe? | 0 | - | 4.84 | 97,502 |
| Neighborhoods of New York City | 0 | - | 4.35 | 26,872 |
| Canada or Africa by Area | 0 | - | 4.81 | 13,681 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,632 |
| Countries that Beat the United States | 0 | - | 4.92 | 146,003 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,635 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 274,789 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,063 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,303 |
| New England States | 0 | - | 4.54 | 52,448 |
| US States by Land Area | 0 | - | 4.58 | 48,536 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,204 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,611 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,137 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,349 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,023 |
| The Only U.S. State ... #1 | 0 | - | 4.51 | 82,665 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,109 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,237 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,174 |
| Important Cities in European History | 0 | - | 4.55 | 109,885 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,839 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 38,493 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,508 |
| European Cities by Map #1 | 0 | - | 4.65 | 51,866 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,960 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,933 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,195 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,412 |
| Cities in Squares on a Map - Europe | 0 | - | 4.72 | 46,091 |
| Cities by Former Name | 0 | - | 4.86 | 71,499 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,593 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,508 |
| World Capitals by Proximity | 0 | - | 4.88 | 299,908 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,888 |
| World Capitals by Map | 0 | - | 5.00 | 242,505 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,377 |
| Random Capital to Country | 0 | - | 4.99 | 2,364,725 |
| Random Country to Capital | 0 | - | 4.98 | 803,993 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,356 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,017 |
| World Capitals By Letter - M | 0 | - | 4.90 | 86,099 |
| World Capitals By Letter - P | 0 | - | 4.86 | 67,184 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,382 |
| World Capitals By Letter - S | 0 | - | 4.89 | 74,644 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,532 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,317 |
| World Capitals By Letter - A | 0 | - | 4.96 | 104,828 |
| World Capitals By Letter - B | 0 | - | 4.84 | 97,036 |
| World Capitals By Letter - D | 0 | - | 4.91 | 79,278 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 30,969 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.24 | 13,251 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,044 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,311 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,984 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,057 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,943 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,242 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,364 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,871 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,153 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,453 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,841 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 193,650 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,673 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 104,647 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,061 |
