| US States Quiz | 0 | - | 5.00 | 17,016,534 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,362 |
| Vietnam War Countries | 0 | - | 4.82 | 94,728 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,074 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,631 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,308 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,686 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,226 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,599 |
| Which City in California? | 0 | - | 4.56 | 32,183 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,491 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,037 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,944 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,832 |
| California A-Z | 0 | - | 4.49 | 28,853 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,226 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,350 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,526 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,069 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,913 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,007 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,781 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,002 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,375 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,568 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,060 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,782 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,537 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,167 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,577 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,808 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,370 |
| New York City A-Z | 0 | - | 4.18 | 32,398 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,564 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,094 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,951 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,356 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,809 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,590 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,911 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,908 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,692 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,552 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,844 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,121 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,561 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,581 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,427 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,089 |
| Pixelated United States Map | 0 | - | 4.89 | 94,905 |
| US States with an Empty Map | 0 | - | 5.00 | 629,405 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,152 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,770 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,392 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,424 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,345 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,472 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,515 |
| U.S. States By Population | 0 | - | 4.92 | 154,222 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,342 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,952 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,425 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,151 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,552 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,959 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,584 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,182 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,147 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,301 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,752 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,866 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,707 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,040 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,323 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,959 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,169 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,295 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,552 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,425 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,507 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,514 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,811 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,260 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,676 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,212 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,110 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,371 |
| Asia Map Quiz | 0 | - | 4.99 | 926,390 |
| South America Flags Map Quiz | 0 | - | 4.95 | 89,111 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,224 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,520 |
| U.S. State Flags | 0 | - | 4.89 | 173,348 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,158 |
| Hawaiian Islands | 0 | - | 4.83 | 42,994 |
| Rivers of the United States | 0 | - | 4.93 | 66,764 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,281 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,968 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,564 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,772 |
| U.S. Senators by State | 0 | - | 4.44 | 40,131 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,963 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,625 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,453 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,963 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,247 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,724 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,613 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,501 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,287 |
| Cities in European History #1 | 0 | - | 4.63 | 134,721 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,904 |
| Name a City - European Countries | 0 | - | 4.89 | 66,349 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,885 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,759 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,845 |
| US States and State Capitals | 0 | - | 4.99 | 165,865 |
| Which City in Florida? | 0 | - | 4.61 | 11,039 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,135 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,287 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,669 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,860 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,674 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,212 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,422 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,319 |
| The Only European Country ... | 0 | - | 4.91 | 219,472 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,249 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,776 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,971 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,604 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,679 |
| Countries of Africa | 0 | - | 5.00 | 2,563,650 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,923 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,199 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,868 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,087 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,576 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,110 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,779 |
| Australia Map Quiz | 0 | - | 4.95 | 346,425 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,500 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,045 |
| Merged U.S. States | 0 | - | 4.37 | 44,449 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,807 |
| Flags of North and South America | 0 | - | 4.99 | 377,877 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,909 |
| Counties of England | 0 | - | 4.97 | 803,984 |
| African East Coast | 0 | - | 4.96 | 96,899 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,855 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,557,801 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,413 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,668 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,754 |
| State Quiz - California | 0 | - | 4.69 | 64,916 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,200 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,539 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,577 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,867 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,408 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,238 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,065 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,960 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,101 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,479 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,230 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,993 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,599 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,271 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,565 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,915 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,853 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,337 |
| Official Cities in the UK | 0 | - | 4.89 | 286,752 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,647 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,717 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,649 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,949 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,293 |
| ALL California Cities | 0 | - | 4.37 | 43,276 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,272 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,342 |
| Former Capitals | 0 | - | 4.88 | 71,719 |
| Europe Capital to Country | 0 | - | 4.99 | 252,500 |
| Asia Capital to Country | 0 | - | 4.96 | 127,671 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,229 |
| European Capitals by Map | 0 | - | 4.99 | 142,444 |
| African Capitals by Map | 0 | - | 4.99 | 142,524 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,517 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,601 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,345 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,100 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,702 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,279 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,088 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,471 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,346 |
| European Coastal Capitals | 0 | - | 4.95 | 91,463 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,257 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,186 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,140 |
