| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,669 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,457 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,666 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,633 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,030 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,486 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,279 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,809 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,610 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,482 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,732 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,103 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,352 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,185 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,635 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,291 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 113,324 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,758 |
| US States Quiz | 0 | - | 5.00 | 17,004,430 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,778 |
| U.S. Senators by State | 0 | - | 4.44 | 40,112 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,690 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,248 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,053 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,966 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,911 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,091 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,158 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,992 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,978 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,519 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,658 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,909 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,738 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,867 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,701 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,275 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,067 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,487 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,581 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,113 |
| Random European Capital to Country | 0 | - | 4.98 | 192,221 |
| Random European Country to Capital | 0 | - | 4.93 | 165,970 |
| Random African Capital to Country | 0 | - | 4.97 | 101,392 |
| Random African Country to Capital | 0 | - | 4.95 | 71,781 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,751 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,347 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,681 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,151 |
| Countries of the German Empire | 0 | - | 4.51 | 38,261 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,642 |
| United States Country Quiz | 0 | - | 4.43 | 102,245 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,755 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,509 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,411 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,059 |
| Pixelated United States Map | 0 | - | 4.88 | 94,845 |
| US States with an Empty Map | 0 | - | 5.00 | 629,001 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,108 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,398 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,327 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,348 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,233 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,397 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,427 |
| U.S. States By Population | 0 | - | 4.92 | 154,189 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,278 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,921 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,108 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,453 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,892 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,556 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,134 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,089 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,265 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,717 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,848 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,674 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,148 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,891 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,405 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,580 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,789 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,734 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,382 |
| Asia Map Quiz | 0 | - | 4.99 | 925,674 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,480 |
| U.S. State Flags | 0 | - | 4.89 | 173,115 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,156 |
| Hawaiian Islands | 0 | - | 4.83 | 42,964 |
| Rivers of the United States | 0 | - | 4.93 | 66,718 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,072 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,798 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,531 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,629 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 636,175 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,911 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,566 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,424 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,905 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,233 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,927 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,610 |
| Name a City - European Countries | 0 | - | 4.89 | 66,241 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,242 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,206 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,252 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,785 |
| US States and State Capitals | 0 | - | 4.99 | 165,574 |
| New York City A-Z | 0 | - | 4.18 | 32,388 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,942 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,631 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,060 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,269 |
| The Only European Country ... | 0 | - | 4.91 | 219,223 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,077 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,628 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,948 |
| Arms Exports - United States | 0 | - | 4.77 | 62,753 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,506 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,560 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 171,057 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,413 |
| Countries of Africa | 0 | - | 5.00 | 2,561,606 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,788 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 54,007 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,895 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,520 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,510 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,010 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,688 |
| Australia Map Quiz | 0 | - | 4.95 | 346,268 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,340 |
| African East Coast | 0 | - | 4.96 | 96,819 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,503 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,830 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,701 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,567 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,538 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,676 |
| California A-Z | 0 | - | 4.49 | 28,849 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,179 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,188 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,884 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,036 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,451 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,184 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,234 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,919 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,451 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,722 |
| Official Cities in the UK | 0 | - | 4.89 | 286,485 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,616 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,550 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,873 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,143 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,235 |
| Europe Capital to Country | 0 | - | 4.99 | 252,243 |
| Asia Capital to Country | 0 | - | 4.96 | 127,607 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,070 |
| European Capitals by Map | 0 | - | 4.99 | 142,254 |
| African Capitals by Map | 0 | - | 4.99 | 142,320 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,174 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,369 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,287 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,979 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,632 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,188 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,955 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,429 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,241 |
| European Coastal Capitals | 0 | - | 4.95 | 91,369 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,220 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,890 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,910 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,196 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,610 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,743 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,244 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,504 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,963 |
| Countries of the Middle East | 0 | - | 4.96 | 203,043 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,240 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,156 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,699 |
| Slavic Countries | 0 | - | 4.96 | 112,420 |
| African Island Countries | 0 | - | 4.96 | 102,591 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,545 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,498 |
| Monarchies of Europe | 0 | - | 4.90 | 98,924 |
| Monarchies of Asia | 0 | - | 4.97 | 71,535 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,201 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,563 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,313 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,629 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,148 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,881 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,364 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,757 |
