| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,437 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,457 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,022 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,408 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,916 |
| Random U.S. States on a Map | 0 | - | 4.96 | 620,982 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,076 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,210 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,639 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,474 |
| Presidential Actors | 0 | - | 4.36 | 19,050 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,213 |
| US States Quiz | 0 | - | 5.00 | 16,684,966 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,403 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,731 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,796 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,887 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,135 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,155 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,629 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,570 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,696 |
| Vietnam War Countries | 0 | - | 4.83 | 93,550 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,117 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,213 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,615 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,342 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,760 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,117 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,194 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,432 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,675 |
| Pixelated United States Map | 0 | - | 4.89 | 93,392 |
| US States with an Empty Map | 0 | - | 5.00 | 618,332 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,623 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,272 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,321 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,543 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,812 |
| U.S. States By Population | 0 | - | 4.92 | 152,289 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,299 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,798 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,853 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,727 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,811 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,803 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,045 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,421 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,041 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,627 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,294 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,130 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,761 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,974 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,455 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,251 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,115 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,444 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,311 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,397 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,663 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,227 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,386 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,429 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,487 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,009 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,494 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,780 |
| Rivers of the United States | 0 | - | 4.93 | 65,444 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,887 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,383 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,586 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,485 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,511 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,824 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,800 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,574 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,968 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,519 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,610 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,065 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,120 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,275 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,321 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,391 |
| Countries of Africa | 0 | - | 5.00 | 2,505,465 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,341 |
| Vatican City Country Quiz | 0 | - | 4.53 | 43,972 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,272 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,527 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,694 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,149 |
| Asia Map Quiz | 0 | - | 4.99 | 906,180 |
| Australia Map Quiz | 0 | - | 4.94 | 342,293 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,135 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,610 |
| U.S. State Flags | 0 | - | 4.89 | 166,809 |
| Hawaiian Islands | 0 | - | 4.83 | 42,412 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,939 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,233 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,068 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,954 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,093 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,332 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,814 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,792 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,808 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,097 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,314 |
| Biggest European Cities by Century | 0 | - | 4.98 | 140,394 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,198 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,199 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,543 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,505 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,137 |
| Cities in European History #1 | 0 | - | 4.63 | 133,005 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,451 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,271 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,688 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 38,091 |
| Former Capitals | 0 | - | 4.88 | 71,101 |
| Europe Capital to Country | 0 | - | 4.99 | 247,356 |
| Asia Capital to Country | 0 | - | 4.96 | 125,657 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,336 |
| European Capitals by Map | 0 | - | 4.99 | 136,028 |
| African Capitals by Map | 0 | - | 4.99 | 132,088 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,544 |
| European Coastal Capitals | 0 | - | 4.95 | 89,677 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,156 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,482 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,612 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,125 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,798 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,825 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,814 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,461 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,753 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,395 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,124 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,590 |
| Countries of the Middle East | 0 | - | 4.96 | 198,759 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,184 |
| The Only European Country ... | 0 | - | 4.91 | 213,580 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,915 |
| Slavic Countries | 0 | - | 4.96 | 110,791 |
| African Island Countries | 0 | - | 4.96 | 100,694 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,377 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,163 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,467 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,623 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,602 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,244 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,662 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,186 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,048 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,774 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,613 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,396 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,968 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,524 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,620 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,693 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,122 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,107 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,219 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,491 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,179 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,339 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,154 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,449 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,537 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,568 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,985 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,421 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,736 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| North America Map Quiz | 0 | - | 4.98 | 244,109 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,356 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,393 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,291 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,562 |
| Flags of North and South America | 0 | - | 4.99 | 366,112 |
| Australian States and Territories | 0 | - | 4.95 | 140,580 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,478 |
| Territories of the United States | 0 | - | 4.79 | 52,109 |
| Counties of England | 0 | - | 4.97 | 788,554 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,622 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,579 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,996 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,358 |
| African East Coast | 0 | - | 4.96 | 94,959 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,615 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,302 |
