| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,014 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,817 |
| North America Capitals Quiz | 0 | - | 4.99 | 183,914 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,265 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 79,079 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 38,755 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 72,959 |
| South America Capitals Quiz | 0 | - | 5.00 | 415,012 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 171,110 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 148,337 |
| 1M Cities by Proximity - United States | 0 | - | 4.49 | 135,773 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,226 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 338,004 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 80,066 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.38 | 34,703 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.34 | 35,848 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,787 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 129,869 |
| Africa Capitals Quiz | 0 | - | 4.99 | 626,647 |
| Asia Capitals Quiz | 0 | - | 4.98 | 586,998 |
| United States Map Quiz | 0 | - | 4.98 | 3,879,259 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,301 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 94,970 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 97,988 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,173 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,024 |
| U.S. States By Population | 0 | - | 4.90 | 129,133 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,171 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,420 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,809 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 54,505 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,486 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,514,319 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,362 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 231,264 |
| Speed Capital to U.S. State | 0 | - | 4.43 | 105,385 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 36,971 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,553 |
| Countries of North America Quiz | 0 | - | 5.00 | 868,324 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 572,948 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 78,486 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 55,494 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 60,484 |
| World Capitals Quiz | 0 | - | 5.00 | 4,454,449 |
| Europe Capital to Country | 0 | - | 4.99 | 217,965 |
| Asia Capital to Country | 0 | - | 4.96 | 104,944 |
| EU Capitals with No Hints | 0 | - | 4.95 | 122,963 |
| European Capitals by Map | 0 | - | 4.99 | 90,552 |
| African Capitals by Map | 0 | - | 4.99 | 108,776 |
| Asian Capitals by Map | 0 | - | 4.98 | 45,874 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 77,951 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 71,153 |
| European Coastal Capitals | 0 | - | 4.95 | 76,409 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 46,190 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 224,787 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 191,571 |
| Capitals of Mediterranean Countries | 0 | - | 4.97 | 75,683 |
| Official Cities in the UK | 0 | - | 4.87 | 229,829 |
| Westernmost Cities in the U.S. | 0 | - | 4.35 | 15,596 |
| North America Cities by Map | 0 | - | 4.39 | 45,081 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 51,493 |
| Top 10 Most Remote European Capitals | 0 | - | 4.84 | 83,568 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 104,152 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,321 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 66,466 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 50,379 |
| European Capitals Ending in N | 0 | - | 4.91 | 73,420 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 123,138 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 846,921 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,337 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,563 |
| Canada Provinces and Territories | 0 | - | 4.99 | 286,510 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 45,817 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,380 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,369 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,367,529 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 119,612 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 55,874 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,144 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 24,964 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 28,998 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 73,407 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.45 | 64,510 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,598 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.96 | 90,754 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,286 |
| Central American Countries | 0 | - | 4.98 | 137,725 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,436 |
| Total United States Immigration by Country | 0 | - | 4.89 | 95,803 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 181,757 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,295 |
| Mexico States Map Quiz | 0 | - | 4.84 | 89,354 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.82 | 53,992 |
| States of Mexico | 0 | - | 4.94 | 138,123 |
| South American Cities on the Map | 0 | - | 4.55 | 32,920 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,585 |
| Northernmost Capital Cities | 0 | - | 4.98 | 92,920 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,001 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,628 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,563 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,787 |
| Countries by Capital City | 0 | - | 4.99 | 48,102 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,207 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 92,957 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,098 |
| Moved Capital Cities | 0 | - | 4.94 | 51,855 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,311 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,518 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 114,574 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 37,915 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,011 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,180 |
| Random European Capital to Country | 0 | - | 4.97 | 151,369 |
| Random European Country to Capital | 0 | - | 4.92 | 133,922 |
| Random Asian Country to Capital | 0 | - | 4.94 | 84,985 |
| Random Asian Capital to Country | 0 | - | 4.97 | 88,308 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 81,152 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 91,866 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,460 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,142 |
| Pixelated United States Map | 0 | - | 4.91 | 81,196 |
| 10 Northernmost U.S. States | 0 | - | 4.86 | 59,606 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 144,231 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 166,837 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,468 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,207 |
| Summer Olympic City Bids | 0 | - | 4.93 | 36,756 |
| Random U.S. City to State | 0 | - | 4.43 | 64,997 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.87 | 90,481 |
| Cities by Former Name | 0 | - | 4.85 | 70,130 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,079 |
| Nearest Capital City #1 | 0 | - | 4.81 | 52,168 |
| World Capitals by Proximity | 0 | - | 4.87 | 284,321 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,532 |
| World Capitals by Map | 0 | - | 5.00 | 237,725 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 49,873 |
| Random Capital to Country | 0 | - | 4.99 | 2,340,860 |
| Random African Capitals on a Map | 0 | - | 4.95 | 47,659 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 44,596 |
| Random European Capitals on a Map | 0 | - | 4.97 | 105,920 |
| Random Country to Capital | 0 | - | 4.98 | 793,879 |
| World Capitals By Letter - H | 0 | - | 4.84 | 70,711 |
| World Capitals By Letter - K | 0 | - | 4.82 | 65,395 |
| World Capitals By Letter - M | 0 | - | 4.90 | 85,293 |
| World Capitals By Letter - P | 0 | - | 4.85 | 66,527 |
| World Capitals By Letter - R | 0 | - | 4.87 | 71,802 |
| World Capitals By Letter - S | 0 | - | 4.89 | 73,921 |
| World Capitals By Letter - W | 0 | - | 4.88 | 81,676 |
| World Capitals By Letter - A | 0 | - | 4.96 | 103,689 |
| World Capitals By Letter - B | 0 | - | 4.84 | 96,065 |
| World Capitals By Letter - D | 0 | - | 4.91 | 78,347 |
| Which City in Europe? | 0 | - | 4.85 | 96,720 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,484 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,299 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,583 |
| New England States | 0 | - | 4.53 | 52,342 |
| US States by Land Area | 0 | - | 4.59 | 48,172 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 35,979 |
| Add a Letter - Make a U.S. State | 0 | - | 4.76 | 75,912 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,656 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,082 |
| Important Cities in European History | 0 | - | 4.56 | 109,240 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,276 |
| European Cities by Map #1 | 0 | - | 4.59 | 51,576 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,817 |
| Mediterranean Cities by Map | 0 | - | 4.47 | 48,993 |
| Cities in Squares on a Map - Europe | 0 | - | 4.76 | 45,204 |
| Boroughs of New York City | 0 | - | 4.44 | 76,334 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 53,759 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,664 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,352 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,789 |
| Global Cities Quiz | 0 | - | 4.64 | 156,276 |
| Southernmost Major Cities | 0 | - | 4.41 | 45,125 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.45 | 67,989 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,148 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.41 | 34,914 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,148 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 192,107 |
| Random European City to Country | 0 | - | 4.72 | 105,297 |
| Random Asian City to Country | 0 | - | 4.52 | 33,453 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 117,394 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 103,930 |
| Capital Cities Chain | 0 | - | 4.87 | 70,770 |
| Coldest World Capitals | 0 | - | 4.96 | 127,677 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 77,817 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 74,002 |
| Which City in Canada? | 0 | - | 4.89 | 44,875 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 158,395 |
| South America Map Quiz | 0 | - | 5.00 | 1,409,292 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 104,781 |
| Territories of the United States | 0 | - | 4.76 | 48,182 |
| Canada Immigration by Country | 0 | - | 4.52 | 56,708 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,220 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,287 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 155,876 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,871 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.89 | 83,778 |
| ALL California Cities | 0 | - | 4.33 | 38,781 |
| Divided World City Name Puzzle #1 | 0 | - | 4.90 | 39,217 |
