| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,202 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,527 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,922 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,144 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,745 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,115 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,035 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,250 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,232 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,502 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,798 |
| Vietnam War Countries | 0 | - | 4.82 | 94,494 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,964 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,311 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,100 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,879 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,333 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,540 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,894 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,455 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,966 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,712 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,350 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,672 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,739 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,797 |
| US States Quiz | 0 | - | 5.00 | 16,960,178 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,758 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,218 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,199 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,098 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,602 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,321 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,936 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,324 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,450 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,396 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,348 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,732 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,191 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,949 |
| Random European Capital to Country | 0 | - | 4.98 | 191,837 |
| Random European Country to Capital | 0 | - | 4.93 | 165,665 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,878 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,263 |
| Random African Capital to Country | 0 | - | 4.97 | 101,145 |
| Random African Country to Capital | 0 | - | 4.94 | 71,611 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,489 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,251 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,642 |
| United States Country Quiz | 0 | - | 4.43 | 101,994 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,169 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,274 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,329 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,912 |
| Pixelated United States Map | 0 | - | 4.88 | 94,643 |
| US States with an Empty Map | 0 | - | 5.00 | 627,414 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,776 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,064 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,993 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,012 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,762 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,653 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,009 |
| U.S. States By Population | 0 | - | 4.92 | 153,959 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,983 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,755 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,939 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,884 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,440 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,952 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,503 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,068 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,561 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,752 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,551 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,150 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,592 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,218 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,009 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,787 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,771 |
| Asia Map Quiz | 0 | - | 4.99 | 922,862 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,349 |
| U.S. State Flags | 0 | - | 4.89 | 172,128 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,939 |
| Hawaiian Islands | 0 | - | 4.83 | 42,853 |
| Rivers of the United States | 0 | - | 4.93 | 66,535 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,128 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,170 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,459 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,085 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,676 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,296 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,641 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,132 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,072 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,497 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,116 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,900 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,051 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,105 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,178 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,435 |
| US States and State Capitals | 0 | - | 4.99 | 164,604 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,236 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,490 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,597 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,703 |
| The Only European Country ... | 0 | - | 4.91 | 218,303 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,394 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,119 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,828 |
| Arms Exports - United States | 0 | - | 4.77 | 62,636 |
| Countries of Africa | 0 | - | 5.00 | 2,552,451 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,757 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,600 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,874 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,794 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,077 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,160 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,002 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,241 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,674 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,405 |
| Australia Map Quiz | 0 | - | 4.95 | 345,729 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,687 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,614 |
| Flags of North and South America | 0 | - | 4.99 | 375,808 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,082 |
| Counties of England | 0 | - | 4.97 | 801,139 |
| African East Coast | 0 | - | 4.96 | 96,536 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,495 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,551,306 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,721 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,571 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,007 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,260 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,049 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,298 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,820 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,315 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,984 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,782 |
| Official Cities in the UK | 0 | - | 4.89 | 285,464 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,513 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,662 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,250 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,599 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,789 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,133 |
| Europe Capital to Country | 0 | - | 4.99 | 251,570 |
| Asia Capital to Country | 0 | - | 4.96 | 127,190 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,652 |
| European Capitals by Map | 0 | - | 4.99 | 141,419 |
| African Capitals by Map | 0 | - | 4.99 | 141,426 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,883 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,464 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,983 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,605 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,401 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,841 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,640 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,250 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,982 |
| European Coastal Capitals | 0 | - | 4.95 | 91,088 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,071 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,755 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,298 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,056 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,461 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,772 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,577 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,314 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,180 |
| Countries of the Middle East | 0 | - | 4.96 | 202,233 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,915 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,869 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,495 |
| Slavic Countries | 0 | - | 4.96 | 112,169 |
| African Island Countries | 0 | - | 4.96 | 102,226 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,367 |
| Monarchies of Europe | 0 | - | 4.90 | 98,620 |
| Monarchies of Asia | 0 | - | 4.97 | 71,376 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,076 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,050 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,175 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,165 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,433 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,804 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,560 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,095 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,293 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,003 |
| The Only African Country ... | 0 | - | 4.99 | 129,498 |
| The Only American Country ... | 0 | - | 4.92 | 122,042 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,311 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,039 |
