| US States Quiz | 0 | - | 5.00 | 16,900,606 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,009 |
| Vietnam War Countries | 0 | - | 4.82 | 94,307 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,791 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,513 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,139 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,474 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,589 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,466 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,678 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,555 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,555 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,327 |
| California A-Z | 0 | - | 4.49 | 28,799 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,065 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,916 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,778 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,155 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,517 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,082 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,827 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,835 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,538 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,042 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,690 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,853 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,114 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,188 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,912 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,252 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,160 |
| New York City A-Z | 0 | - | 4.18 | 32,317 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,583 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,729 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,962 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,586 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,360 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,545 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,380 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,779 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,843 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,908 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,689 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,736 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,872 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,081 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,208 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,563 |
| Pixelated United States Map | 0 | - | 4.87 | 94,389 |
| US States with an Empty Map | 0 | - | 5.00 | 625,431 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,039 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,301 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,591 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,575 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,249 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,190 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,489 |
| U.S. States By Population | 0 | - | 4.92 | 153,660 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,599 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,535 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,755 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,643 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,382 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,429 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,276 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,720 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,201 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,892 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,353 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,625 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,376 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,673 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,765 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,169 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,069 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,212 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,515 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,962 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,650 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,869 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,279 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,472 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,199 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,099 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,296 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,297 |
| Asia Map Quiz | 0 | - | 4.99 | 918,338 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,160 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,999 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,190 |
| U.S. State Flags | 0 | - | 4.88 | 170,960 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,082 |
| Hawaiian Islands | 0 | - | 4.83 | 42,751 |
| Rivers of the United States | 0 | - | 4.93 | 66,271 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,669 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,272 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,356 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,264 |
| U.S. Senators by State | 0 | - | 4.44 | 39,982 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,930 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,813 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,934 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,235 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,956 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,728 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,098 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,267 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,103 |
| Cities in European History #1 | 0 | - | 4.63 | 134,130 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,446 |
| Name a City - European Countries | 0 | - | 4.90 | 65,519 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,865 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,073 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,149 |
| US States and State Capitals | 0 | - | 4.99 | 163,097 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,349 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,660 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,317 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,978 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,722 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,997 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,504 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,058 |
| The Only European Country ... | 0 | - | 4.91 | 217,110 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,587 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,406 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,713 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,593 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,733 |
| Countries of Africa | 0 | - | 5.00 | 2,541,735 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,823 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,151 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,086 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,902 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,825 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,126 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,045 |
| Australia Map Quiz | 0 | - | 4.95 | 344,904 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,813 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,290 |
| Merged U.S. States | 0 | - | 4.37 | 44,205 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,407 |
| Flags of North and South America | 0 | - | 4.99 | 373,826 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,247 |
| Counties of England | 0 | - | 4.97 | 798,099 |
| African East Coast | 0 | - | 4.96 | 96,176 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,082 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,542,608 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,327 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,089 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,444 |
| State Quiz - California | 0 | - | 4.69 | 64,501 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,866 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,213 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,788 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,168 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,078 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,542 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,258 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,514 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,431 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,104 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,675 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,425 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,270 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,856 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,304 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,606 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,357 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,860 |
| Official Cities in the UK | 0 | - | 4.89 | 284,243 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,385 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,604 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,852 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,742 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,287 |
| ALL California Cities | 0 | - | 4.37 | 43,088 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,992 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,131 |
| Former Capitals | 0 | - | 4.88 | 71,499 |
| Europe Capital to Country | 0 | - | 4.99 | 250,655 |
| Asia Capital to Country | 0 | - | 4.96 | 126,772 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,076 |
| European Capitals by Map | 0 | - | 4.99 | 139,676 |
| African Capitals by Map | 0 | - | 4.99 | 134,057 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,092 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,299 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,598 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,568 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,141 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,436 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,216 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,945 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,551 |
| European Coastal Capitals | 0 | - | 4.95 | 90,729 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,636 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,508 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,331 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,890 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,246 |
