| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,598 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,706 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,899 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,682 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,045 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,693 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,245 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,509 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,898 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,417 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,489 |
| Vietnam War Countries | 0 | - | 4.83 | 93,641 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,451 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,630 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,631 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,489 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,182 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,442 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,349 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,468 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,028 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,053 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,893 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,023 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,840 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,897 |
| US States Quiz | 0 | - | 5.00 | 16,707,926 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,981 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,339 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,036 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,656 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,435 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,793 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,592 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,081 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,146 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,453 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,552 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,013 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,107 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,106 |
| Random European Capital to Country | 0 | - | 4.98 | 189,285 |
| Random European Country to Capital | 0 | - | 4.92 | 147,507 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,426 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,458 |
| Random African Capital to Country | 0 | - | 4.97 | 99,748 |
| Random African Country to Capital | 0 | - | 4.94 | 70,245 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,562 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,897 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,480 |
| United States Country Quiz | 0 | - | 4.43 | 100,634 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,602 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,124 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,817 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,956 |
| Pixelated United States Map | 0 | - | 4.89 | 93,519 |
| US States with an Empty Map | 0 | - | 5.00 | 619,075 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,775 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,095 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,403 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,452 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,773 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,716 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,967 |
| U.S. States By Population | 0 | - | 4.92 | 152,408 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,447 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,895 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,927 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,994 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,777 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,921 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,906 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,096 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,519 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,082 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,673 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,410 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,244 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,913 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,146 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,578 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,854 |
| Asia Map Quiz | 0 | - | 4.99 | 907,392 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,676 |
| U.S. State Flags | 0 | - | 4.89 | 167,230 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,622 |
| Hawaiian Islands | 0 | - | 4.83 | 42,438 |
| Rivers of the United States | 0 | - | 4.93 | 65,550 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,344 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,554 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,099 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,810 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,896 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,687 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,619 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,112 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,561 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,926 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,434 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,884 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,552 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,494 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,175 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,930 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,254 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,083 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,156 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,842 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,644 |
| The Only European Country ... | 0 | - | 4.91 | 213,955 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,221 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,623 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,231 |
| Arms Exports - United States | 0 | - | 4.70 | 54,380 |
| Countries of Africa | 0 | - | 5.00 | 2,508,986 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,211 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,211 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,260 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,367 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,181 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,344 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,482 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,824 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,517 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,975 |
| Australia Map Quiz | 0 | - | 4.94 | 342,566 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,403 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,689 |
| Flags of North and South America | 0 | - | 4.99 | 367,591 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,071 |
| Counties of England | 0 | - | 4.97 | 789,519 |
| African East Coast | 0 | - | 4.96 | 95,082 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,078 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,376 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,132 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,896 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,626 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,575 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,033 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,078 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,406 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,923 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,018 |
| Official Cities in the UK | 0 | - | 4.89 | 280,694 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,730 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,462 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,391 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,745 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,883 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,608 |
| Europe Capital to Country | 0 | - | 4.99 | 248,005 |
| Asia Capital to Country | 0 | - | 4.96 | 125,791 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,521 |
| European Capitals by Map | 0 | - | 4.99 | 136,402 |
| African Capitals by Map | 0 | - | 4.99 | 132,235 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,445 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,979 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,690 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,190 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,441 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,161 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,240 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,205 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,665 |
| European Coastal Capitals | 0 | - | 4.95 | 89,805 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,206 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,910 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,931 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,434 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,736 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,494 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,799 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,235 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,430 |
| Countries of the Middle East | 0 | - | 4.96 | 199,014 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,301 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,407 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,372 |
| Slavic Countries | 0 | - | 4.96 | 110,889 |
| African Island Countries | 0 | - | 4.96 | 100,821 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,387 |
| Monarchies of Europe | 0 | - | 4.90 | 97,354 |
| Monarchies of Asia | 0 | - | 4.97 | 70,615 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,511 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,443 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,782 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,304 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,193 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,774 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,529 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,183 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,858 |
| The Only African Country ... | 0 | - | 4.99 | 128,393 |
| The Only American Country ... | 0 | - | 4.92 | 120,790 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,788 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,670 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,737 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,811 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,194 |
