| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,202 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,879 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,199 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,922 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,072 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,115 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,036 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,503 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,527 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,798 |
| Presidential Actors | 0 | - | 4.36 | 19,226 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,051 |
| US States Quiz | 0 | - | 5.00 | 16,960,218 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,098 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,373 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,797 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,759 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,219 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,602 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,321 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,145 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,570 |
| Vietnam War Countries | 0 | - | 4.82 | 94,494 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,745 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,953 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,569 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,253 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,232 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,054 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,025 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,324 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,451 |
| Pixelated United States Map | 0 | - | 4.88 | 94,643 |
| US States with an Empty Map | 0 | - | 5.00 | 627,425 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,776 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,994 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,012 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,654 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,009 |
| U.S. States By Population | 0 | - | 4.92 | 153,959 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,983 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,755 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,939 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,440 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,952 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,503 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,068 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,561 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,752 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,551 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,397 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,348 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,733 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,191 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,489 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,158 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,251 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,019 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,421 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,229 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,964 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,235 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,734 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,894 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,456 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,311 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,176 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,274 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,940 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,329 |
| Rivers of the United States | 0 | - | 4.93 | 66,536 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,912 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,064 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,762 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,101 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,087 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,885 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,677 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,297 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,641 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,132 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,053 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,105 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,592 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,774 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,185 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,056 |
| Countries of Africa | 0 | - | 5.00 | 2,552,463 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,540 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,578 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,162 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,013 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,788 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,773 |
| Asia Map Quiz | 0 | - | 4.99 | 922,866 |
| Australia Map Quiz | 0 | - | 4.95 | 345,729 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,688 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,349 |
| U.S. State Flags | 0 | - | 4.89 | 172,130 |
| Hawaiian Islands | 0 | - | 4.83 | 42,853 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,128 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,170 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,459 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,495 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,008 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,260 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,499 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,116 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,333 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,149 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,315 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,985 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,716 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,405 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,082 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,428 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,742 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,597 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,900 |
| Cities in European History #1 | 0 | - | 4.63 | 134,433 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,662 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,250 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,789 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Former Capitals | 0 | - | 4.88 | 71,608 |
| Europe Capital to Country | 0 | - | 4.99 | 251,572 |
| Asia Capital to Country | 0 | - | 4.96 | 127,191 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,652 |
| European Capitals by Map | 0 | - | 4.99 | 141,419 |
| African Capitals by Map | 0 | - | 4.99 | 141,427 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,607 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,641 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,984 |
| European Coastal Capitals | 0 | - | 4.95 | 91,088 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,071 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,755 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,300 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,056 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,435 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,236 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,477 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,496 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,936 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,597 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,703 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,180 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,189 |
| Countries of the Middle East | 0 | - | 4.96 | 202,233 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,915 |
| The Only European Country ... | 0 | - | 4.91 | 218,304 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,396 |
| Slavic Countries | 0 | - | 4.96 | 112,169 |
| African Island Countries | 0 | - | 4.96 | 102,227 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,119 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,828 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,076 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,503 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,080 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,187 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,165 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,433 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,804 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,759 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,560 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,095 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,295 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,040 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,270 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,340 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,858 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,627 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,820 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,292 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,063 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,704 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,978 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,955 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,080 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,006 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,383 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,599 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,242 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,632 |
| North America Map Quiz | 0 | - | 4.98 | 250,617 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,675 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,405 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,390 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,604 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,616 |
| Flags of North and South America | 0 | - | 4.99 | 375,809 |
| Australian States and Territories | 0 | - | 4.96 | 142,587 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,087 |
| Territories of the United States | 0 | - | 4.80 | 52,553 |
| Counties of England | 0 | - | 4.97 | 801,143 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,864 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,400 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,159 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,443 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,820 |
