| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,543 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,477 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,032 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,707 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,921 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,416 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,185 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,744 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,686 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,484 |
| Presidential Actors | 0 | - | 4.36 | 19,064 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,409 |
| US States Quiz | 0 | - | 5.00 | 16,699,736 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,536 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,826 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,863 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,952 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,249 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,361 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,740 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,656 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,842 |
| Vietnam War Countries | 0 | - | 4.83 | 93,605 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,892 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,273 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,672 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,459 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,846 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,174 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,235 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,921 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,947 |
| Pixelated United States Map | 0 | - | 4.89 | 93,471 |
| US States with an Empty Map | 0 | - | 5.00 | 618,801 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,723 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,353 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,408 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,664 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,901 |
| U.S. States By Population | 0 | - | 4.92 | 152,359 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,399 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,862 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,895 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,762 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,877 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,872 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,077 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,479 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,065 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,658 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,392 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,417 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,938 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,073 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,537 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,346 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,878 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,263 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,608 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,413 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,480 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,725 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,312 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,442 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,566 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,068 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,090 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,572 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,804 |
| Rivers of the United States | 0 | - | 4.93 | 65,510 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,928 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,812 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,707 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,578 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,697 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,930 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,862 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,656 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,059 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,549 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,178 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,859 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,186 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,304 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,374 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,460 |
| Countries of Africa | 0 | - | 5.00 | 2,507,666 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,409 |
| Vatican City Country Quiz | 0 | - | 4.53 | 43,999 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,879 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,411 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,271 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,223 |
| Asia Map Quiz | 0 | - | 4.99 | 906,963 |
| Australia Map Quiz | 0 | - | 4.94 | 342,465 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,296 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,650 |
| U.S. State Flags | 0 | - | 4.89 | 167,062 |
| Hawaiian Islands | 0 | - | 4.83 | 42,427 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,186 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,439 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,087 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,035 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,532 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,496 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,510 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,495 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,044 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,216 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,390 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,357 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,283 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,261 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,605 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,559 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,808 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,212 |
| Cities in European History #1 | 0 | - | 4.63 | 133,114 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,346 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,802 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,809 |
| Former Capitals | 0 | - | 4.88 | 71,139 |
| Europe Capital to Country | 0 | - | 4.99 | 247,776 |
| Asia Capital to Country | 0 | - | 4.96 | 125,750 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,447 |
| European Capitals by Map | 0 | - | 4.99 | 136,247 |
| African Capitals by Map | 0 | - | 4.99 | 132,164 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,122 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,180 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,600 |
| European Coastal Capitals | 0 | - | 4.95 | 89,747 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,181 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,780 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,783 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,421 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,182 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,967 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,860 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,715 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,542 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,810 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,541 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,305 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,619 |
| Countries of the Middle East | 0 | - | 4.96 | 198,900 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,251 |
| The Only European Country ... | 0 | - | 4.91 | 213,812 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,128 |
| Slavic Countries | 0 | - | 4.96 | 110,851 |
| African Island Countries | 0 | - | 4.96 | 100,784 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,522 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,201 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,497 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,720 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,732 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,347 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,741 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,270 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,142 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,585 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,699 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,479 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,100 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,617 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,711 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,757 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,150 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,157 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,284 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,567 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,265 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,404 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,238 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,502 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,929 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,152 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,219 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,462 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,791 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,197 |
| North America Map Quiz | 0 | - | 4.98 | 244,415 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,460 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,924 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,433 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,342 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,284 |
| Flags of North and South America | 0 | - | 4.99 | 367,152 |
| Australian States and Territories | 0 | - | 4.95 | 140,815 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,872 |
| Territories of the United States | 0 | - | 4.79 | 52,142 |
| Counties of England | 0 | - | 4.97 | 789,135 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,867 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,606 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,017 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,373 |
| African East Coast | 0 | - | 4.96 | 95,040 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,679 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,438 |
