| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,577 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,696 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,823 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,672 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,995 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,611 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,222 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,498 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,880 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,158 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,487 |
| Vietnam War Countries | 0 | - | 4.83 | 93,624 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,439 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,599 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,606 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,485 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,141 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,435 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,332 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,456 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,006 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,031 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,883 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,016 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,832 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,884 |
| US States Quiz | 0 | - | 5.00 | 16,704,898 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,966 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,308 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,035 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,614 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,411 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,773 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,569 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,022 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,085 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,422 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,505 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,985 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,100 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,092 |
| Random European Capital to Country | 0 | - | 4.98 | 189,255 |
| Random European Country to Capital | 0 | - | 4.92 | 147,482 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,421 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,444 |
| Random African Capital to Country | 0 | - | 4.97 | 99,744 |
| Random African Country to Capital | 0 | - | 4.94 | 70,242 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,553 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,894 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,478 |
| United States Country Quiz | 0 | - | 4.43 | 100,610 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,082 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,113 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,812 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,950 |
| Pixelated United States Map | 0 | - | 4.89 | 93,503 |
| US States with an Empty Map | 0 | - | 5.00 | 618,949 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,753 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,985 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,384 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,427 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,744 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,692 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,939 |
| U.S. States By Population | 0 | - | 4.92 | 152,392 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,423 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,879 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,914 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,973 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,898 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,892 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,507 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,077 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,667 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,387 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,206 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,898 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,725 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,454 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,646 |
| Asia Map Quiz | 0 | - | 4.99 | 907,213 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,666 |
| U.S. State Flags | 0 | - | 4.89 | 167,170 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,601 |
| Hawaiian Islands | 0 | - | 4.83 | 42,433 |
| Rivers of the United States | 0 | - | 4.93 | 65,528 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,273 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,509 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,094 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,753 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,884 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,671 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,609 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,084 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,557 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,925 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,150 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,749 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,385 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,419 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,049 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,928 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,235 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,051 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,012 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,834 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,610 |
| The Only European Country ... | 0 | - | 4.91 | 213,912 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,186 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,586 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,221 |
| Arms Exports - United States | 0 | - | 4.70 | 54,372 |
| Countries of Africa | 0 | - | 5.00 | 2,508,530 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,963 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,184 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,251 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,361 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,096 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,030 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,369 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,817 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,497 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,951 |
| Australia Map Quiz | 0 | - | 4.94 | 342,531 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,362 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,565 |
| Flags of North and South America | 0 | - | 4.99 | 367,422 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,012 |
| Counties of England | 0 | - | 4.97 | 789,404 |
| African East Coast | 0 | - | 4.96 | 95,072 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,060 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,027 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,124 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,882 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,591 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,535 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,029 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,057 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,397 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,781 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,011 |
| Official Cities in the UK | 0 | - | 4.89 | 280,626 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,727 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,380 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,723 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,861 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,601 |
| Europe Capital to Country | 0 | - | 4.99 | 247,965 |
| Asia Capital to Country | 0 | - | 4.96 | 125,778 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,498 |
| European Capitals by Map | 0 | - | 4.99 | 136,334 |
| African Capitals by Map | 0 | - | 4.99 | 132,197 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,368 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,945 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,683 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,155 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,428 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,145 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,215 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,195 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,647 |
| European Coastal Capitals | 0 | - | 4.95 | 89,791 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,199 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,877 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,885 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,431 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,723 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,476 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,787 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,223 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,396 |
| Countries of the Middle East | 0 | - | 4.96 | 198,964 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,285 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,388 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,360 |
| Slavic Countries | 0 | - | 4.96 | 110,876 |
| African Island Countries | 0 | - | 4.96 | 100,808 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,379 |
| Monarchies of Europe | 0 | - | 4.90 | 97,340 |
| Monarchies of Asia | 0 | - | 4.97 | 70,613 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,505 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,437 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,764 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,295 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,175 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,740 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,509 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,149 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,815 |
| The Only African Country ... | 0 | - | 4.99 | 128,383 |
| The Only American Country ... | 0 | - | 4.92 | 120,775 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,648 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,729 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,792 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,163 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,180 |
