| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,346 |
| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 129,093 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,789 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,294 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,135 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,950 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,121 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,317 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,492 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,493 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,636 |
| Vietnam War Countries | 0 | - | 4.83 | 94,051 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,116 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,506 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,353 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,666 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,045 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,964 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,088 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,960 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,375 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,456 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,979 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,594 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,324 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,314 |
| US States Quiz | 0 | - | 5.00 | 16,827,579 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,346 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,541 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,110 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,041 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,442 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,507 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,239 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,768 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,961 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,300 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,739 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,728 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,644 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,536 |
| Random European Capital to Country | 0 | - | 4.98 | 190,595 |
| Random European Country to Capital | 0 | - | 4.93 | 164,456 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,176 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,572 |
| Random African Capital to Country | 0 | - | 4.97 | 100,472 |
| Random African Country to Capital | 0 | - | 4.94 | 71,076 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,006 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,063 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,550 |
| United States Country Quiz | 0 | - | 4.43 | 101,288 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,749 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,584 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,094 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,334 |
| Pixelated United States Map | 0 | - | 4.87 | 94,055 |
| US States with an Empty Map | 0 | - | 5.00 | 623,150 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,621 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,342 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,142 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,183 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,684 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,673 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,938 |
| U.S. States By Population | 0 | - | 4.92 | 152,985 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,169 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,305 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,367 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,855 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,094 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,445 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,751 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,492 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,033 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,415 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,100 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,587 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,801 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,815 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,366 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,396 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,392 |
| Asia Map Quiz | 0 | - | 4.99 | 914,243 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,997 |
| U.S. State Flags | 0 | - | 4.89 | 169,665 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,212 |
| Hawaiian Islands | 0 | - | 4.83 | 42,646 |
| Rivers of the United States | 0 | - | 4.93 | 66,064 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,427 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,290 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,264 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,383 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,459 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,378 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,817 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,785 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,832 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,996 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,549 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,253 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,777 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,382 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,610 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,823 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,031 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,817 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,482 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,901 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,575 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,790 |
| The Only European Country ... | 0 | - | 4.91 | 215,926 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,688 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,736 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,568 |
| Arms Exports - United States | 0 | - | 4.75 | 62,245 |
| Countries of Africa | 0 | - | 5.00 | 2,529,292 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,250 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,088 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,542 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,572 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,057 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,691 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,096 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,437 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,603 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,594 |
| Australia Map Quiz | 0 | - | 4.95 | 343,786 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,893 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,063 |
| Flags of North and South America | 0 | - | 4.99 | 371,769 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,155 |
| Counties of England | 0 | - | 4.97 | 794,577 |
| African East Coast | 0 | - | 4.96 | 95,789 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,733 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,129 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,416 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,209 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,281 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,809 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,618 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,141 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,691 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,756 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,209 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,334 |
| Official Cities in the UK | 0 | - | 4.89 | 282,941 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,249 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,556 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,374 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,376 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,781 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,856 |
| Europe Capital to Country | 0 | - | 4.99 | 249,500 |
| Asia Capital to Country | 0 | - | 4.96 | 126,431 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,532 |
| European Capitals by Map | 0 | - | 4.99 | 138,482 |
| African Capitals by Map | 0 | - | 4.99 | 133,281 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,303 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,980 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,220 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,041 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,869 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,957 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,853 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,675 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,207 |
| European Coastal Capitals | 0 | - | 4.95 | 90,355 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,487 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,064 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,494 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,722 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,059 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,058 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,154 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,709 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,116 |
| Countries of the Middle East | 0 | - | 4.96 | 200,697 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,978 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,017 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,909 |
| Slavic Countries | 0 | - | 4.96 | 111,476 |
| African Island Countries | 0 | - | 4.96 | 101,401 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,918 |
| Monarchies of Europe | 0 | - | 4.90 | 97,928 |
| Monarchies of Asia | 0 | - | 4.97 | 70,962 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,782 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,756 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,766 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 127,330 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,819 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,906 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,626 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,245 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,127 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,253 |
| The Only African Country ... | 0 | - | 4.98 | 128,905 |
| The Only American Country ... | 0 | - | 4.92 | 121,380 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,050 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,616 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,400 |