| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,532 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,682 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,688 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,654 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,878 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,356 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,175 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,452 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,839 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,609 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,484 |
| Vietnam War Countries | 0 | - | 4.83 | 93,602 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,410 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,558 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,574 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,475 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,031 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,402 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,306 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,436 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,915 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,978 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,837 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,978 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,825 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,862 |
| US States Quiz | 0 | - | 5.00 | 16,698,792 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,947 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,241 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,032 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,524 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,350 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,732 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,536 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,892 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,920 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,385 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,392 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,929 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,068 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,039 |
| Random European Capital to Country | 0 | - | 4.98 | 189,192 |
| Random European Country to Capital | 0 | - | 4.92 | 147,442 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,393 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,406 |
| Random African Capital to Country | 0 | - | 4.97 | 99,737 |
| Random African Country to Capital | 0 | - | 4.94 | 70,228 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,533 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,878 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| United States Country Quiz | 0 | - | 4.43 | 100,574 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,928 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,086 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,802 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,925 |
| Pixelated United States Map | 0 | - | 4.89 | 93,466 |
| US States with an Empty Map | 0 | - | 5.00 | 618,772 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,718 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,779 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,345 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,398 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,698 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,658 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,894 |
| U.S. States By Population | 0 | - | 4.92 | 152,351 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,392 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,852 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,891 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,924 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,761 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,872 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,867 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,075 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,476 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,064 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,656 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,342 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,180 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,846 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,285 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,243 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,170 |
| Asia Map Quiz | 0 | - | 4.99 | 906,938 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,646 |
| U.S. State Flags | 0 | - | 4.89 | 167,043 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,568 |
| Hawaiian Islands | 0 | - | 4.83 | 42,426 |
| Rivers of the United States | 0 | - | 4.93 | 65,505 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,172 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,416 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,086 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,675 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,858 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,654 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,049 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,546 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,921 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,430 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,460 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,623 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,137 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,821 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,921 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,169 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,960 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,673 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,803 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,532 |
| The Only European Country ... | 0 | - | 4.91 | 213,798 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,118 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,518 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,200 |
| Arms Exports - United States | 0 | - | 4.70 | 54,345 |
| Countries of Africa | 0 | - | 5.00 | 2,507,547 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,521 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,104 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,240 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,340 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,903 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,854 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,128 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,784 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,452 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,914 |
| Australia Map Quiz | 0 | - | 4.94 | 342,451 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,291 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,251 |
| Flags of North and South America | 0 | - | 4.99 | 367,112 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,855 |
| Counties of England | 0 | - | 4.97 | 789,098 |
| African East Coast | 0 | - | 4.96 | 95,039 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,029 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,334 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,106 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,862 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,519 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,489 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,018 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,020 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,387 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,227 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,993 |
| Official Cities in the UK | 0 | - | 4.89 | 280,497 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,715 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,337 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,690 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,797 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,595 |
| Europe Capital to Country | 0 | - | 4.99 | 247,723 |
| Asia Capital to Country | 0 | - | 4.96 | 125,746 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,440 |
| European Capitals by Map | 0 | - | 4.99 | 136,234 |
| African Capitals by Map | 0 | - | 4.99 | 132,150 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,213 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,835 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,657 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,121 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,404 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,110 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,172 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,169 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,594 |
| European Coastal Capitals | 0 | - | 4.95 | 89,738 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,767 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,773 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,415 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,700 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,438 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,760 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,187 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,290 |
| Countries of the Middle East | 0 | - | 4.96 | 198,891 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,247 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,353 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,331 |
| Slavic Countries | 0 | - | 4.96 | 110,847 |
| African Island Countries | 0 | - | 4.96 | 100,780 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,360 |
| Monarchies of Europe | 0 | - | 4.90 | 97,303 |
| Monarchies of Asia | 0 | - | 4.97 | 70,593 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,496 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,738 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,259 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,136 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,698 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,475 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,093 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,745 |
| The Only African Country ... | 0 | - | 4.99 | 128,353 |
| The Only American Country ... | 0 | - | 4.92 | 120,750 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,774 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,608 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,704 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,753 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,149 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,156 |
