| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,699 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,925 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,221 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,468 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,226 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,239 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,093 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,068 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,629 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,843 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,362 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 303,914 |
| Presidential Actors | 0 | - | 4.36 | 19,251 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,931 |
| US States Quiz | 0 | - | 5.00 | 16,992,988 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,882 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,627 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,567 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,949 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,867 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,541 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,390 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,822 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,419 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,139 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,466 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,327 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,623 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,070 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,974 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,417 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,638 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,311 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,268 |
| Vietnam War Countries | 0 | - | 4.82 | 94,605 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,022 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,683 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,207 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,691 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,437 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,826 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,529 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,434 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,642 |
| Europe Map Quiz | 0 | - | 5.00 | 4,787,445 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,454 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,390 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,023 |
| Pixelated United States Map | 0 | - | 4.88 | 94,804 |
| US States with an Empty Map | 0 | - | 5.00 | 628,583 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,067 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,066 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,261 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,292 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,098 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,331 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,349 |
| U.S. States By Population | 0 | - | 4.92 | 154,128 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,209 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,880 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,278 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,071 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,194 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,535 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,084 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,039 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,220 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,670 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,818 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,645 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,968 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,839 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,308 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,279 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,382 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,697 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,121 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,586 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,407 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,251 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,454 |
| Asia Map Quiz | 0 | - | 4.99 | 925,007 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,433 |
| U.S. State Flags | 0 | - | 4.89 | 172,886 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,096 |
| Hawaiian Islands | 0 | - | 4.83 | 42,948 |
| Rivers of the United States | 0 | - | 4.93 | 66,650 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,821 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,640 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,500 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,508 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 635,576 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,837 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,472 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,398 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,816 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,194 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,690 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,104 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,918 |
| Cities in European History #1 | 0 | - | 4.63 | 134,599 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,515 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,613 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,724 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,708 |
| US States and State Capitals | 0 | - | 4.99 | 165,306 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,750 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 106,951 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,563 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,490 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,838 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,076 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,256 |
| The Only European Country ... | 0 | - | 4.91 | 218,947 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,903 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,480 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,906 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,714 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,347 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,414 |
| Countries of Africa | 0 | - | 5.00 | 2,559,218 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,202 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,158 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,660 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,529 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,215 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,525 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,445 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,925 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,609 |
| Australia Map Quiz | 0 | - | 4.95 | 346,132 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,195 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,375 |
| Flags of North and South America | 0 | - | 4.99 | 376,869 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,111 |
| Counties of England | 0 | - | 4.97 | 802,733 |
| African East Coast | 0 | - | 4.96 | 96,754 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,718 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,555,355 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,804 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,672 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,424 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,576 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,150 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,344 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,939 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,386 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,387 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,020 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,689 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,848 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,835 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,979 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,419 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,133 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,875 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,513 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,190 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,511 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,852 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,756 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,235 |
| Official Cities in the UK | 0 | - | 4.89 | 286,184 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,592 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,693 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,447 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,814 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,042 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,191 |
| Former Capitals | 0 | - | 4.88 | 71,675 |
| Europe Capital to Country | 0 | - | 4.99 | 252,038 |
| Asia Capital to Country | 0 | - | 4.96 | 127,379 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,947 |
| European Capitals by Map | 0 | - | 4.99 | 142,042 |
| African Capitals by Map | 0 | - | 4.99 | 142,101 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,932 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,147 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,217 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,888 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,573 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,091 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,853 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,387 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,167 |
| European Coastal Capitals | 0 | - | 4.95 | 91,295 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,185 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,628 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,749 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,156 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,574 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,937 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,700 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,675 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,088 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,463 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,716 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,486 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,357 |
| Countries of the Middle East | 0 | - | 4.96 | 202,917 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,161 |
