| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,366 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,639 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,313 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,191 |
| Vietnam War Countries | 0 | - | 4.83 | 94,071 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,133 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,338 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,506 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,529 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,844 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,377 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,097 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,969 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,142 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,121 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,977 |
| US States Quiz | 0 | - | 5.00 | 16,830,561 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,415 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,494 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,006 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,612 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,340 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,481 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,531 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,320 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,784 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,041 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,355 |
| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 129,125 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,579 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,319 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,784 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,753 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,660 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,543 |
| Random European Capital to Country | 0 | - | 4.98 | 190,618 |
| Random European Country to Capital | 0 | - | 4.93 | 164,552 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,190 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,588 |
| Random African Country to Capital | 0 | - | 4.94 | 71,087 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,012 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,069 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,554 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,258 |
| United States Country Quiz | 0 | - | 4.43 | 101,303 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,317 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,595 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,098 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,335 |
| Pixelated United States Map | 0 | - | 4.87 | 94,067 |
| US States with an Empty Map | 0 | - | 5.00 | 623,229 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,635 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,425 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,158 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,199 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,719 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,684 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,956 |
| U.S. States By Population | 0 | - | 4.92 | 152,999 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,182 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,373 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,885 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,100 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,455 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,765 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,506 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,041 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,422 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,110 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,610 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,814 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,840 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,464 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,550 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,569 |
| Asia Map Quiz | 0 | - | 4.99 | 914,417 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,007 |
| U.S. State Flags | 0 | - | 4.89 | 169,711 |
| Hawaiian Islands | 0 | - | 4.83 | 42,651 |
| Rivers of the United States | 0 | - | 4.93 | 66,070 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,485 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,329 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,269 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,417 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,475 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,391 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,823 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,795 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,833 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,116 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,778 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,944 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,034 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,828 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,531 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,595 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,820 |
| The Only European Country ... | 0 | - | 4.91 | 215,974 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,725 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,765 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,577 |
| Arms Exports - United States | 0 | - | 4.75 | 62,259 |
| Countries of Africa | 0 | - | 5.00 | 2,529,934 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,100 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,549 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,585 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,791 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,449 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,623 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,601 |
| Australia Map Quiz | 0 | - | 4.95 | 343,821 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,936 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,010 |
| African East Coast | 0 | - | 4.96 | 95,824 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,742 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,606 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,424 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,217 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,317 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,830 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,629 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,073 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,868 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,388 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,844 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,773 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,230 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,345 |
| Official Cities in the UK | 0 | - | 4.89 | 283,038 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,255 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,393 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,381 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,807 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| Europe Capital to Country | 0 | - | 4.99 | 249,546 |
| Asia Capital to Country | 0 | - | 4.96 | 126,465 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,564 |
| European Capitals by Map | 0 | - | 4.99 | 138,534 |
| African Capitals by Map | 0 | - | 4.99 | 133,352 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,392 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,058 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,234 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,067 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,883 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,972 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,868 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,686 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,225 |
| European Coastal Capitals | 0 | - | 4.95 | 90,371 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,496 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,133 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,536 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,738 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,070 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,081 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,162 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,180 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,722 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,156 |
| Countries of the Middle East | 0 | - | 4.96 | 200,728 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,996 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,037 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,929 |
| Slavic Countries | 0 | - | 4.96 | 111,487 |
| African Island Countries | 0 | - | 4.96 | 101,415 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,930 |
| Monarchies of Europe | 0 | - | 4.90 | 97,948 |
| Monarchies of Asia | 0 | - | 4.97 | 70,975 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,787 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,773 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,513 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,650 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,273 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,155 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,275 |
| The Only African Country ... | 0 | - | 4.98 | 128,924 |
| The Only American Country ... | 0 | - | 4.92 | 121,397 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,057 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,637 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,421 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,522 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,509 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,083 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,963 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,381 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,991 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,966 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,803 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,071 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,635 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,664 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,244 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,770 |
| Countries That Border Russia | 0 | - | 4.98 | 461,088 |
| European Countries with One Border | 0 | - | 4.97 | 182,508 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,315 |
| Countries Bordering France | 0 | - | 4.83 | 401,868 |
