| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,556 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,485 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,921 |
| Vietnam War Countries | 0 | - | 4.83 | 93,610 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,420 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,468 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,856 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,582 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,885 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,587 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,318 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,447 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,198 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,082 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,418 |
| US States Quiz | 0 | - | 5.00 | 16,701,211 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,959 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,854 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,992 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,386 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,755 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,873 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,976 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,011 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,690 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,276 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,403 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,443 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,955 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,087 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,069 |
| Random European Capital to Country | 0 | - | 4.98 | 189,211 |
| Random European Country to Capital | 0 | - | 4.92 | 147,450 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,401 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,417 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,542 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,888 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,552 |
| United States Country Quiz | 0 | - | 4.43 | 100,584 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,404 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,095 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,807 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,936 |
| Pixelated United States Map | 0 | - | 4.89 | 93,482 |
| US States with an Empty Map | 0 | - | 5.00 | 618,846 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,736 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,882 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,364 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,421 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,719 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,673 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,909 |
| U.S. States By Population | 0 | - | 4.92 | 152,371 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,405 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,867 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,907 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,948 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,765 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,886 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,882 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,082 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,490 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,069 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,661 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,361 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,193 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,868 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,487 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,316 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,340 |
| Asia Map Quiz | 0 | - | 4.99 | 907,042 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,655 |
| U.S. State Flags | 0 | - | 4.89 | 167,101 |
| Hawaiian Islands | 0 | - | 4.83 | 42,427 |
| Rivers of the United States | 0 | - | 4.93 | 65,518 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,204 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,458 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,089 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,711 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,869 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,659 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,600 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,066 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,552 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,035 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 44,170 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,254 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,915 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,925 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,190 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,998 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,816 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,564 |
| The Only European Country ... | 0 | - | 4.91 | 213,839 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,149 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,538 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Arms Exports - United States | 0 | - | 4.70 | 54,358 |
| Countries of Africa | 0 | - | 5.00 | 2,507,918 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,139 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,243 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,348 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,927 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,800 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,472 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,926 |
| Australia Map Quiz | 0 | - | 4.94 | 342,486 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,308 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,506 |
| African East Coast | 0 | - | 4.96 | 95,055 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,047 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,662 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,114 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,870 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,553 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,510 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,578 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,683 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,582 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,040 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,393 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,511 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,002 |
| Official Cities in the UK | 0 | - | 4.89 | 280,544 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,721 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,357 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,709 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,819 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,597 |
| Europe Capital to Country | 0 | - | 4.99 | 247,884 |
| Asia Capital to Country | 0 | - | 4.96 | 125,762 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,458 |
| European Capitals by Map | 0 | - | 4.99 | 136,279 |
| African Capitals by Map | 0 | - | 4.99 | 132,185 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,264 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,872 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,669 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,409 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,125 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,192 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,181 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,615 |
| European Coastal Capitals | 0 | - | 4.95 | 89,759 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,188 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,807 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,805 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,705 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,454 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,802 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,201 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,335 |
| Countries of the Middle East | 0 | - | 4.96 | 198,929 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,268 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Slavic Countries | 0 | - | 4.96 | 110,860 |
| African Island Countries | 0 | - | 4.96 | 100,793 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,368 |
| Monarchies of Europe | 0 | - | 4.90 | 97,315 |
| Monarchies of Asia | 0 | - | 4.97 | 70,604 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,433 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,668 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,492 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,113 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,776 |
| The Only African Country ... | 0 | - | 4.99 | 128,368 |
| The Only American Country ... | 0 | - | 4.92 | 120,763 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,778 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,629 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,764 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,165 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,291 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,578 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,277 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,416 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,247 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,508 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,250 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,043 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,044 |
| Countries That Border Russia | 0 | - | 4.98 | 458,922 |
| European Countries with One Border | 0 | - | 4.97 | 181,629 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,522 |
| Countries Bordering France | 0 | - | 4.83 | 399,115 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,057 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,111 |
