| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,516 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,670 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,608 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,641 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,836 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,265 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,158 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,442 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,828 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,373 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,482 |
| Vietnam War Countries | 0 | - | 4.83 | 93,589 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,387 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,538 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,551 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,474 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,998 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,394 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,291 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,424 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,894 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,956 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,818 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,968 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,817 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,851 |
| US States Quiz | 0 | - | 5.00 | 16,696,457 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,943 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,224 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,028 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,513 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,323 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,718 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,525 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,835 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,882 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,371 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,333 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,902 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,058 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,015 |
| Random European Capital to Country | 0 | - | 4.98 | 189,173 |
| Random European Country to Capital | 0 | - | 4.92 | 147,429 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,365 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,380 |
| Random African Capital to Country | 0 | - | 4.97 | 99,721 |
| Random African Country to Capital | 0 | - | 4.94 | 70,227 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,518 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,876 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| United States Country Quiz | 0 | - | 4.43 | 100,561 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,500 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,074 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,798 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,924 |
| Pixelated United States Map | 0 | - | 4.89 | 93,456 |
| US States with an Empty Map | 0 | - | 5.00 | 618,670 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,703 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,707 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,333 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,382 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,684 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,631 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,879 |
| U.S. States By Population | 0 | - | 4.92 | 152,334 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,375 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,847 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,887 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,901 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,755 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,868 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,854 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,069 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,467 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,060 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,653 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,328 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,176 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,821 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,689 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,164 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,020 |
| Asia Map Quiz | 0 | - | 4.99 | 906,832 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,639 |
| U.S. State Flags | 0 | - | 4.89 | 167,011 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,550 |
| Hawaiian Islands | 0 | - | 4.83 | 42,424 |
| Rivers of the United States | 0 | - | 4.93 | 65,497 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,127 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,370 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,083 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,641 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,846 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,634 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,028 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,537 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,919 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,178 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,357 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,202 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,041 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,725 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,919 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,163 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,931 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,586 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,797 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,508 |
| The Only European Country ... | 0 | - | 4.91 | 213,763 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,084 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,488 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,195 |
| Arms Exports - United States | 0 | - | 4.70 | 54,337 |
| Countries of Africa | 0 | - | 5.00 | 2,507,120 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,414 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,071 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,232 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,337 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,814 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,730 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,036 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,780 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,440 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,904 |
| Australia Map Quiz | 0 | - | 4.94 | 342,436 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,272 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,123 |
| Flags of North and South America | 0 | - | 4.99 | 366,969 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,783 |
| Counties of England | 0 | - | 4.97 | 789,036 |
| African East Coast | 0 | - | 4.96 | 95,022 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,015 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,039 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,102 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,858 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,487 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,459 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,016 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,996 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,374 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,878 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,988 |
| Official Cities in the UK | 0 | - | 4.89 | 280,458 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,710 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,458 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,329 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,680 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,782 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,588 |
| Europe Capital to Country | 0 | - | 4.99 | 247,607 |
| Asia Capital to Country | 0 | - | 4.96 | 125,724 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,424 |
| European Capitals by Map | 0 | - | 4.99 | 136,215 |
| African Capitals by Map | 0 | - | 4.99 | 132,123 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,154 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,794 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,649 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,111 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,398 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,090 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,160 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,163 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,588 |
| European Coastal Capitals | 0 | - | 4.95 | 89,726 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,722 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,738 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,411 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,691 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,425 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,755 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,175 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,270 |
| Countries of the Middle East | 0 | - | 4.96 | 198,864 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,230 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,336 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,321 |
| Slavic Countries | 0 | - | 4.96 | 110,832 |
| African Island Countries | 0 | - | 4.96 | 100,766 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| Monarchies of Europe | 0 | - | 4.90 | 97,295 |
| Monarchies of Asia | 0 | - | 4.97 | 70,590 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,489 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,427 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,727 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,245 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,126 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,689 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,463 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,065 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,724 |
| The Only African Country ... | 0 | - | 4.99 | 128,344 |
| The Only American Country ... | 0 | - | 4.92 | 120,734 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,772 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,594 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,693 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,741 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,144 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
