| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,738 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,580 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,093 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,316 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,102 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,607 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,421 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 194,980 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,769 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,616 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,934 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,802 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,471 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,317 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,710 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,712 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,525 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,843 |
| US States Quiz | 0 | - | 5.00 | 17,025,725 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,904 |
| U.S. Senators by State | 0 | - | 4.44 | 40,148 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,974 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,492 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,358 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,117 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,992 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,317 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,480 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,074 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,081 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,606 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,335 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,969 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,915 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,052 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,844 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,724 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,227 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,641 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,607 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,173 |
| Random European Capital to Country | 0 | - | 4.98 | 192,374 |
| Random European Country to Capital | 0 | - | 4.93 | 166,103 |
| Random African Capital to Country | 0 | - | 4.97 | 101,517 |
| Random African Country to Capital | 0 | - | 4.95 | 71,905 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,852 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,383 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,701 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,263 |
| Countries of the German Empire | 0 | - | 4.51 | 38,314 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,742 |
| United States Country Quiz | 0 | - | 4.43 | 102,366 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,913 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,589 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,465 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,120 |
| Pixelated United States Map | 0 | - | 4.89 | 94,951 |
| US States with an Empty Map | 0 | - | 5.00 | 629,684 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,208 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,051 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,453 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,472 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,420 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,541 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,590 |
| U.S. States By Population | 0 | - | 4.92 | 154,273 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,393 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,993 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,183 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,629 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,995 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,607 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,223 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,188 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,329 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,783 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,883 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,730 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,397 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,010 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,568 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,770 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,539 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,493 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,974 |
| Asia Map Quiz | 0 | - | 4.99 | 926,911 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,547 |
| U.S. State Flags | 0 | - | 4.88 | 173,542 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,295 |
| Hawaiian Islands | 0 | - | 4.83 | 43,019 |
| Rivers of the United States | 0 | - | 4.93 | 66,798 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,437 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,103 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,580 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,909 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 637,473 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,058 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,716 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,472 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,005 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,288 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 40,000 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,943 |
| Name a City - European Countries | 0 | - | 4.89 | 66,405 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,229 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,119 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,287 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,877 |
| US States and State Capitals | 0 | - | 4.99 | 166,059 |
| New York City A-Z | 0 | - | 4.18 | 32,407 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,281 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,700 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,273 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,526 |
| The Only European Country ... | 0 | - | 4.91 | 219,648 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,394 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,864 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,998 |
| Arms Exports - United States | 0 | - | 4.77 | 62,809 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,698 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,753 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 171,213 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,539 |
| Countries of Africa | 0 | - | 5.00 | 2,565,317 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,858 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 54,071 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,919 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,119 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,620 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,201 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,827 |
| Australia Map Quiz | 0 | - | 4.95 | 346,534 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,626 |
| African East Coast | 0 | - | 4.96 | 96,937 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,732 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,877 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,763 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,583 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,787 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,857 |
| California A-Z | 0 | - | 4.49 | 28,859 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,226 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,760 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,088 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,150 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,509 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,268 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,402 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,982 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,492 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,741 |
| Official Cities in the UK | 0 | - | 4.89 | 286,943 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,664 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,727 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,702 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,004 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,382 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,296 |
| Europe Capital to Country | 0 | - | 4.99 | 252,637 |
| Asia Capital to Country | 0 | - | 4.96 | 127,708 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,320 |
| European Capitals by Map | 0 | - | 4.99 | 142,612 |
| African Capitals by Map | 0 | - | 4.99 | 142,639 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,722 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,713 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,379 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,138 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,738 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,355 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,156 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,508 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,417 |
| European Coastal Capitals | 0 | - | 4.95 | 91,518 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,281 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,396 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,752 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,261 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,679 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,834 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,362 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,595 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,318 |
| Countries of the Middle East | 0 | - | 4.96 | 203,308 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,392 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,319 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,791 |
| Slavic Countries | 0 | - | 4.96 | 112,524 |
| African Island Countries | 0 | - | 4.96 | 102,755 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,629 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,564 |
| Monarchies of Europe | 0 | - | 4.90 | 99,049 |
| Monarchies of Asia | 0 | - | 4.97 | 71,621 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,252 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,773 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,368 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,724 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,598 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,048 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,507 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,994 |
