| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,552 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,033 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,480 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,484 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,922 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,196 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,824 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,434 |
| US States Quiz | 0 | - | 5.00 | 16,700,789 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,566 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,837 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,869 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,960 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,262 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,377 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,749 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,861 |
| Vietnam War Countries | 0 | - | 4.83 | 93,609 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,912 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,277 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,679 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,465 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,853 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,179 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,238 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,956 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,997 |
| Pixelated United States Map | 0 | - | 4.89 | 93,478 |
| US States with an Empty Map | 0 | - | 5.00 | 618,831 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,733 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,360 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,417 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,669 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,906 |
| U.S. States By Population | 0 | - | 4.92 | 152,369 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,404 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,866 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,904 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,765 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,881 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,878 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,081 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,488 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,069 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,658 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,399 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,440 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,950 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,083 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,541 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,359 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,884 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,289 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,625 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,419 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,490 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,730 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,317 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,446 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,578 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,313 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,094 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,581 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,806 |
| Rivers of the United States | 0 | - | 4.93 | 65,517 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,933 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,852 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,714 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,583 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,704 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,940 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,868 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,658 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,600 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,066 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,552 |
| Presidential Actors | 0 | - | 4.36 | 19,065 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,230 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,898 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,189 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,308 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,378 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,468 |
| Countries of Africa | 0 | - | 5.00 | 2,507,843 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,413 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,002 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,908 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,464 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,306 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,298 |
| Asia Map Quiz | 0 | - | 4.99 | 907,021 |
| Australia Map Quiz | 0 | - | 4.94 | 342,479 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,304 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,653 |
| U.S. State Flags | 0 | - | 4.89 | 167,093 |
| Hawaiian Islands | 0 | - | 4.83 | 42,427 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,200 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,454 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,088 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,045 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,548 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,506 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,741 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,632 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,069 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,226 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,393 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,473 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,294 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,269 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,608 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,569 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,809 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,215 |
| Cities in European History #1 | 0 | - | 4.63 | 133,125 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,355 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,817 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 44,066 |
| Former Capitals | 0 | - | 4.88 | 71,143 |
| Europe Capital to Country | 0 | - | 4.99 | 247,859 |
| Asia Capital to Country | 0 | - | 4.96 | 125,758 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,454 |
| European Capitals by Map | 0 | - | 4.99 | 136,269 |
| African Capitals by Map | 0 | - | 4.99 | 132,180 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,186 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,611 |
| European Coastal Capitals | 0 | - | 4.95 | 89,754 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,185 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,800 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,801 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,423 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,185 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,986 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,861 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,765 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,550 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,814 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,558 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,325 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,622 |
| Countries of the Middle East | 0 | - | 4.96 | 198,919 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,263 |
| The Only European Country ... | 0 | - | 4.91 | 213,836 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,143 |
| Slavic Countries | 0 | - | 4.96 | 110,857 |
| African Island Countries | 0 | - | 4.96 | 100,790 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,534 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,209 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,498 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,730 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,740 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,354 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,748 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,271 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,146 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,644 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,707 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,489 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,109 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,628 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,761 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,155 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,163 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,290 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,575 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,275 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,414 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,244 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,505 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,957 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,212 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,227 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,469 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,798 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,200 |
| North America Map Quiz | 0 | - | 4.98 | 244,429 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,470 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,924 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,434 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,343 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,484 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,347 |
| Flags of North and South America | 0 | - | 4.99 | 367,215 |
| Australian States and Territories | 0 | - | 4.95 | 140,853 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,908 |
| Territories of the United States | 0 | - | 4.79 | 52,145 |
| Counties of England | 0 | - | 4.97 | 789,188 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,887 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,608 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,020 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,379 |
| African East Coast | 0 | - | 4.96 | 95,046 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,682 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,449 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,826 |
