| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,487 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,470 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,026 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,526 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,918 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,178 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,125 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,060 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,660 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,479 |
| Presidential Actors | 0 | - | 4.36 | 19,054 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,278 |
| US States Quiz | 0 | - | 5.00 | 16,692,389 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,483 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,783 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,832 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,925 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,194 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,274 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,693 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,616 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,728 |
| Vietnam War Countries | 0 | - | 4.83 | 93,580 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,694 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,243 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,639 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,412 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,812 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,142 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,212 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,742 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,796 |
| Pixelated United States Map | 0 | - | 4.89 | 93,435 |
| US States with an Empty Map | 0 | - | 5.00 | 618,544 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,677 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,316 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,365 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,598 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,864 |
| U.S. States By Population | 0 | - | 4.92 | 152,322 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,352 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,832 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,875 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,742 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,853 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,839 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,060 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,452 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,052 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,645 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,346 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,280 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,854 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,031 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,500 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,299 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,869 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,158 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,480 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,363 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,439 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,696 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,274 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,416 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,500 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,824 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,054 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,527 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,791 |
| Rivers of the United States | 0 | - | 4.93 | 65,479 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,915 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,599 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,653 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,533 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,594 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,876 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,833 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,614 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,590 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,007 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,530 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,913 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,506 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,158 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,286 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,340 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,426 |
| Countries of Africa | 0 | - | 5.00 | 2,506,461 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,375 |
| Vatican City Country Quiz | 0 | - | 4.53 | 43,985 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,567 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,320 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,996 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,709 |
| Asia Map Quiz | 0 | - | 4.99 | 906,631 |
| Australia Map Quiz | 0 | - | 4.94 | 342,377 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,217 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,632 |
| U.S. State Flags | 0 | - | 4.89 | 166,944 |
| Hawaiian Islands | 0 | - | 4.83 | 42,421 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,058 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,334 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,078 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,008 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,416 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,426 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,730 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,159 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,929 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,143 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,354 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,277 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,238 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,219 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,562 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,529 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,765 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,160 |
| Cities in European History #1 | 0 | - | 4.63 | 133,064 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,312 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,749 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 42,282 |
| Former Capitals | 0 | - | 4.88 | 71,127 |
| Europe Capital to Country | 0 | - | 4.99 | 247,441 |
| Asia Capital to Country | 0 | - | 4.96 | 125,699 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,394 |
| European Capitals by Map | 0 | - | 4.99 | 136,134 |
| African Capitals by Map | 0 | - | 4.99 | 132,108 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,064 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,141 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,575 |
| European Coastal Capitals | 0 | - | 4.95 | 89,710 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,169 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,628 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,676 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,405 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,148 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,884 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,843 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,386 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,502 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,460 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,223 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,606 |
| Countries of the Middle East | 0 | - | 4.96 | 198,826 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,212 |
| The Only European Country ... | 0 | - | 4.91 | 213,696 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,027 |
| Slavic Countries | 0 | - | 4.96 | 110,816 |
| African Island Countries | 0 | - | 4.96 | 100,739 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,450 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,178 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,480 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,660 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,657 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,297 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,705 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,229 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,098 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,204 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,661 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,440 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,031 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,569 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,669 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,722 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,135 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,534 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,214 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,372 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,199 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,476 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,763 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,858 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,105 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,443 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,759 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,152 |
| North America Map Quiz | 0 | - | 4.98 | 244,275 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,414 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,893 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,421 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,320 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,923 |
| Flags of North and South America | 0 | - | 4.99 | 366,679 |
| Australian States and Territories | 0 | - | 4.95 | 140,609 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,678 |
| Territories of the United States | 0 | - | 4.79 | 52,124 |
| Counties of England | 0 | - | 4.97 | 788,874 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,751 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,591 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,001 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,364 |
| African East Coast | 0 | - | 4.96 | 95,001 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,643 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,357 |
