| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,210 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,800 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,157 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,775 |
| Vietnam War Countries | 0 | - | 4.82 | 94,496 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,971 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,266 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,238 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,325 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,716 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,116 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,905 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,458 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,043 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,360 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,543 |
| US States Quiz | 0 | - | 5.00 | 16,961,661 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,986 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,727 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,370 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,679 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,741 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,620 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,335 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,804 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,335 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,541 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,765 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,532 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,255 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,403 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,384 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,742 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,202 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,953 |
| Random European Capital to Country | 0 | - | 4.98 | 191,850 |
| Random European Country to Capital | 0 | - | 4.93 | 165,672 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,883 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,273 |
| Random African Capital to Country | 0 | - | 4.97 | 101,152 |
| Random African Country to Capital | 0 | - | 4.94 | 71,622 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,498 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,252 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,643 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,944 |
| United States Country Quiz | 0 | - | 4.43 | 102,006 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,560 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,284 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,920 |
| Pixelated United States Map | 0 | - | 4.88 | 94,652 |
| US States with an Empty Map | 0 | - | 5.00 | 627,476 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,797 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,118 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,015 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,031 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,782 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,675 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,032 |
| U.S. States By Population | 0 | - | 4.92 | 153,963 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,992 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,759 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,947 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,893 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,447 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,957 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,508 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,077 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,564 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,759 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,559 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,583 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,614 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,240 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,061 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,863 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,902 |
| Asia Map Quiz | 0 | - | 4.99 | 922,985 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,353 |
| U.S. State Flags | 0 | - | 4.89 | 172,171 |
| Hawaiian Islands | 0 | - | 4.83 | 42,859 |
| Rivers of the United States | 0 | - | 4.93 | 66,538 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,165 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,204 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,461 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,185 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,686 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,305 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,650 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,138 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,200 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,133 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,210 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,182 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,443 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,263 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,615 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,730 |
| The Only European Country ... | 0 | - | 4.91 | 218,335 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,427 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,143 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,834 |
| Arms Exports - United States | 0 | - | 4.77 | 62,639 |
| Countries of Africa | 0 | - | 5.00 | 2,552,816 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,605 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,878 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,803 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,206 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,251 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,682 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,416 |
| Australia Map Quiz | 0 | - | 4.95 | 345,754 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,703 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,187 |
| African East Coast | 0 | - | 4.96 | 96,548 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,506 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,213 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,726 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,580 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,039 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,283 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,056 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,120 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,692 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,201 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,828 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,320 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,996 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,786 |
| Official Cities in the UK | 0 | - | 4.89 | 285,493 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,517 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,664 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,257 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,609 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,808 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| Europe Capital to Country | 0 | - | 4.99 | 251,602 |
| Asia Capital to Country | 0 | - | 4.96 | 127,214 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,664 |
| European Capitals by Map | 0 | - | 4.99 | 141,461 |
| African Capitals by Map | 0 | - | 4.99 | 141,508 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,924 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,509 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,995 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,625 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,412 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,860 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,653 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,256 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,993 |
| European Coastal Capitals | 0 | - | 4.95 | 91,103 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,079 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,771 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,330 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,059 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,471 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,779 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,586 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,610 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,320 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,202 |
| Countries of the Middle East | 0 | - | 4.96 | 202,257 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,934 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,880 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,501 |
| Slavic Countries | 0 | - | 4.96 | 112,180 |
| African Island Countries | 0 | - | 4.96 | 102,234 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,373 |
| Monarchies of Europe | 0 | - | 4.90 | 98,639 |
| Monarchies of Asia | 0 | - | 4.97 | 71,381 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,078 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,185 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,891 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,568 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,103 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,311 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,017 |
| The Only African Country ... | 0 | - | 4.99 | 129,508 |
| The Only American Country ... | 0 | - | 4.92 | 122,050 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,314 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,058 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,280 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,350 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,860 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,638 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,830 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,305 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,074 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,988 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,964 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,187 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,317 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,230 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,594 |
| Countries That Border Russia | 0 | - | 4.98 | 463,894 |
| European Countries with One Border | 0 | - | 4.97 | 183,504 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,242 |
