| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,073 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,858 |
| North America Capitals Quiz | 0 | - | 4.99 | 184,004 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,306 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 79,115 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 38,764 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 72,977 |
| South America Capitals Quiz | 0 | - | 5.00 | 415,181 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 171,149 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 148,381 |
| 1M Cities by Proximity - United States | 0 | - | 4.49 | 135,833 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,238 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 338,072 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 80,072 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.38 | 34,706 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.34 | 35,849 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,796 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 129,895 |
| Africa Capitals Quiz | 0 | - | 4.99 | 626,941 |
| Asia Capitals Quiz | 0 | - | 4.98 | 587,260 |
| United States Map Quiz | 0 | - | 4.98 | 3,880,086 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,322 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 95,009 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,017 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,211 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,068 |
| U.S. States By Population | 0 | - | 4.90 | 129,165 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,212 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,445 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,827 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 54,728 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,505 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,514,855 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,365 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 232,168 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 105,631 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 36,982 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,554 |
| Countries of North America Quiz | 0 | - | 5.00 | 868,737 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,060 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 78,564 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 55,531 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 60,516 |
| World Capitals Quiz | 0 | - | 5.00 | 4,456,322 |
| Europe Capital to Country | 0 | - | 4.99 | 218,009 |
| Asia Capital to Country | 0 | - | 4.96 | 104,972 |
| EU Capitals with No Hints | 0 | - | 4.95 | 123,035 |
| European Capitals by Map | 0 | - | 4.99 | 90,638 |
| African Capitals by Map | 0 | - | 4.99 | 108,872 |
| Asian Capitals by Map | 0 | - | 4.98 | 45,911 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 77,980 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 71,179 |
| European Coastal Capitals | 0 | - | 4.95 | 76,438 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 46,197 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 224,948 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 191,622 |
| Capitals of Mediterranean Countries | 0 | - | 4.97 | 75,696 |
| Official Cities in the UK | 0 | - | 4.87 | 229,944 |
| Westernmost Cities in the U.S. | 0 | - | 4.35 | 15,599 |
| North America Cities by Map | 0 | - | 4.39 | 45,091 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 51,508 |
| Top 10 Most Remote European Capitals | 0 | - | 4.84 | 83,593 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 104,189 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,341 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 66,476 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 50,396 |
| European Capitals Ending in N | 0 | - | 4.91 | 73,431 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 123,219 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 847,107 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,359 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,591 |
| Canada Provinces and Territories | 0 | - | 4.99 | 286,615 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 45,962 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,403 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,391 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,368,100 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 119,635 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 55,909 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,146 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 24,967 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,004 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 73,448 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.45 | 64,523 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,600 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.96 | 90,881 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,298 |
| Central American Countries | 0 | - | 4.98 | 137,774 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,461 |
| Total United States Immigration by Country | 0 | - | 4.89 | 95,832 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 181,864 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,333 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,384 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.83 | 54,027 |
| States of Mexico | 0 | - | 4.94 | 138,265 |
| South American Cities on the Map | 0 | - | 4.55 | 32,929 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,614 |
| Northernmost Capital Cities | 0 | - | 4.98 | 92,959 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,035 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,654 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,609 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,842 |
| Countries by Capital City | 0 | - | 4.99 | 48,156 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,228 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 92,978 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,122 |
| Moved Capital Cities | 0 | - | 4.94 | 51,875 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,314 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,521 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 114,632 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 37,923 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,032 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,189 |
| Random European Capital to Country | 0 | - | 4.97 | 151,420 |
| Random European Country to Capital | 0 | - | 4.92 | 133,954 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,004 |
| Random Asian Capital to Country | 0 | - | 4.97 | 88,340 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 81,199 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 91,900 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,498 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,177 |
| Pixelated United States Map | 0 | - | 4.91 | 81,241 |
| 10 Northernmost U.S. States | 0 | - | 4.86 | 59,619 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 144,272 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 166,984 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,479 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,230 |
| Summer Olympic City Bids | 0 | - | 4.93 | 36,767 |
| Random U.S. City to State | 0 | - | 4.43 | 65,028 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.87 | 90,507 |
| Cities by Former Name | 0 | - | 4.85 | 70,147 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,096 |
| Nearest Capital City #1 | 0 | - | 4.81 | 52,174 |
| World Capitals by Proximity | 0 | - | 4.87 | 284,382 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,543 |
| World Capitals by Map | 0 | - | 5.00 | 237,894 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 49,884 |
| Random Capital to Country | 0 | - | 4.99 | 2,341,607 |
| Random African Capitals on a Map | 0 | - | 4.95 | 47,674 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 44,626 |
| Random European Capitals on a Map | 0 | - | 4.97 | 105,957 |
| Random Country to Capital | 0 | - | 4.98 | 794,348 |
| World Capitals By Letter - H | 0 | - | 4.84 | 70,722 |
| World Capitals By Letter - K | 0 | - | 4.82 | 65,411 |
| World Capitals By Letter - M | 0 | - | 4.90 | 85,309 |
| World Capitals By Letter - P | 0 | - | 4.85 | 66,542 |
| World Capitals By Letter - R | 0 | - | 4.87 | 71,818 |
| World Capitals By Letter - S | 0 | - | 4.89 | 73,935 |
| World Capitals By Letter - W | 0 | - | 4.88 | 81,687 |
| World Capitals By Letter - A | 0 | - | 4.96 | 103,715 |
| World Capitals By Letter - B | 0 | - | 4.84 | 96,087 |
| World Capitals By Letter - D | 0 | - | 4.91 | 78,362 |
| Which City in Europe? | 0 | - | 4.85 | 96,751 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,570 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,323 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,604 |
| New England States | 0 | - | 4.53 | 52,344 |
| US States by Land Area | 0 | - | 4.59 | 48,182 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 35,994 |
| Add a Letter - Make a U.S. State | 0 | - | 4.76 | 75,929 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,662 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,104 |
| Important Cities in European History | 0 | - | 4.56 | 109,256 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,287 |
| European Cities by Map #1 | 0 | - | 4.59 | 51,583 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,822 |
| Mediterranean Cities by Map | 0 | - | 4.47 | 49,001 |
| Cities in Squares on a Map - Europe | 0 | - | 4.76 | 45,232 |
| Boroughs of New York City | 0 | - | 4.44 | 76,352 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 53,763 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,672 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,426 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,790 |
| Global Cities Quiz | 0 | - | 4.64 | 156,295 |
| Southernmost Major Cities | 0 | - | 4.41 | 45,129 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.45 | 68,009 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,153 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.41 | 34,918 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,175 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 192,160 |
| Random European City to Country | 0 | - | 4.72 | 105,315 |
| Random Asian City to Country | 0 | - | 4.52 | 33,459 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 117,422 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 103,957 |
| Capital Cities Chain | 0 | - | 4.86 | 70,789 |
| Coldest World Capitals | 0 | - | 4.96 | 127,687 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 77,847 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 74,022 |
| Which City in Canada? | 0 | - | 4.89 | 44,889 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 158,426 |
| South America Map Quiz | 0 | - | 5.00 | 1,409,635 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 104,843 |
| Territories of the United States | 0 | - | 4.76 | 48,193 |
| Canada Immigration by Country | 0 | - | 4.52 | 56,726 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,272 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,330 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 155,916 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,891 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.89 | 83,816 |
| ALL California Cities | 0 | - | 4.33 | 38,797 |
| Divided World City Name Puzzle #1 | 0 | - | 4.90 | 39,238 |
