| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,516 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,027 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,474 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,482 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,919 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,158 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,362 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,343 |
| US States Quiz | 0 | - | 5.00 | 16,696,223 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,510 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,806 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,851 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,942 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,223 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,321 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,717 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,639 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,781 |
| Vietnam War Countries | 0 | - | 4.83 | 93,587 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,834 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,256 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,654 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,439 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,828 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,159 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,221 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,831 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,879 |
| Pixelated United States Map | 0 | - | 4.89 | 93,453 |
| US States with an Empty Map | 0 | - | 5.00 | 618,664 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,702 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,333 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,380 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,629 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,878 |
| U.S. States By Population | 0 | - | 4.92 | 152,334 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,374 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,847 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,884 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,755 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,866 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,853 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,068 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,466 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,060 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,653 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,371 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,329 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,899 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,055 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,518 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,323 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,876 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,213 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,532 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,382 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,455 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,707 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,290 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,423 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,537 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,470 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,073 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,549 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,797 |
| Rivers of the United States | 0 | - | 4.93 | 65,495 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,924 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,705 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,681 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,551 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,640 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,899 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,845 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,633 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,028 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,537 |
| Presidential Actors | 0 | - | 4.36 | 19,061 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,039 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,714 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,174 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,295 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,357 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,444 |
| Countries of Africa | 0 | - | 5.00 | 2,507,093 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,394 |
| Vatican City Country Quiz | 0 | - | 4.53 | 43,992 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,700 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,677 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,158 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,015 |
| Asia Map Quiz | 0 | - | 4.99 | 906,823 |
| Australia Map Quiz | 0 | - | 4.94 | 342,433 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,272 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,639 |
| U.S. State Flags | 0 | - | 4.89 | 167,004 |
| Hawaiian Islands | 0 | - | 4.83 | 42,424 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,123 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,367 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,083 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,014 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,486 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,456 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,600 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,151 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,350 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,992 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,183 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,373 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,839 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,243 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,589 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,549 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,786 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,196 |
| Cities in European History #1 | 0 | - | 4.63 | 133,092 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,457 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,329 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,780 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,178 |
| Former Capitals | 0 | - | 4.88 | 71,130 |
| Europe Capital to Country | 0 | - | 4.99 | 247,590 |
| Asia Capital to Country | 0 | - | 4.96 | 125,723 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,423 |
| European Capitals by Map | 0 | - | 4.99 | 136,212 |
| African Capitals by Map | 0 | - | 4.99 | 132,122 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,109 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,159 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,588 |
| European Coastal Capitals | 0 | - | 4.95 | 89,724 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,175 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,719 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,737 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,411 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,161 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,929 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,853 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,559 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,524 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,795 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,506 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,265 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,614 |
| Countries of the Middle East | 0 | - | 4.96 | 198,862 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,229 |
| The Only European Country ... | 0 | - | 4.91 | 213,759 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,082 |
| Slavic Countries | 0 | - | 4.96 | 110,831 |
| African Island Countries | 0 | - | 4.96 | 100,765 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,488 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,193 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,489 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,695 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,693 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,322 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,726 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,245 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,126 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,409 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,688 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,462 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,062 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,592 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,692 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,741 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,144 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,265 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,546 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,242 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,379 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,215 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,493 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,812 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,030 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,169 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,455 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,780 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,173 |
| North America Map Quiz | 0 | - | 4.98 | 244,361 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,440 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,903 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,426 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,339 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,260 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,106 |
| Flags of North and South America | 0 | - | 4.99 | 366,961 |
| Australian States and Territories | 0 | - | 4.95 | 140,715 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,778 |
| Territories of the United States | 0 | - | 4.79 | 52,132 |
| Counties of England | 0 | - | 4.97 | 789,016 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,828 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,597 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,012 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,369 |
| African East Coast | 0 | - | 4.96 | 95,021 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,660 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,399 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,780 |
