| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,418 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,545 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,037 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,061 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,320 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,737 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,974 |
| Vietnam War Countries | 0 | - | 4.83 | 93,542 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,291 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,218 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,378 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,408 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,474 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,761 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,331 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 299,789 |
| US States Quiz | 0 | - | 5.00 | 16,682,541 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,742 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,836 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,708 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,911 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,542 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,777 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,869 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,089 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,120 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,607 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,963 |
| Random European Capital to Country | 0 | - | 4.98 | 189,081 |
| Random European Country to Capital | 0 | - | 4.92 | 147,351 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,298 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,335 |
| Random African Capital to Country | 0 | - | 4.97 | 99,678 |
| Random African Country to Capital | 0 | - | 4.94 | 70,161 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,454 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,151 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,605 |
| Pixelated United States Map | 0 | - | 4.89 | 93,353 |
| US States with an Empty Map | 0 | - | 5.00 | 618,258 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,609 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,628 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,243 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,300 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,513 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,790 |
| U.S. States By Population | 0 | - | 4.92 | 152,274 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,282 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,788 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,847 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,461 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,720 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,796 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,787 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,038 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,410 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,032 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,620 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,273 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,087 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,736 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,952 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,446 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,238 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,830 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,459 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,701 |
| United States Country Quiz | 0 | - | 4.43 | 100,490 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,067 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,995 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,484 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,776 |
| Rivers of the United States | 0 | - | 4.93 | 65,435 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,881 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,312 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,570 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,485 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,811 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,790 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,568 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,572 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,959 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,515 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,513 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,974 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,897 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,110 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,139 |
| Arms Exports - United States | 0 | - | 4.70 | 54,281 |
| Countries of Africa | 0 | - | 5.00 | 2,505,046 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 70,857 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,196 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,317 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,035 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,388 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,583 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,985 |
| Asia Map Quiz | 0 | - | 4.99 | 906,046 |
| Australia Map Quiz | 0 | - | 4.94 | 342,267 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,098 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,606 |
| U.S. State Flags | 0 | - | 4.89 | 166,757 |
| Hawaiian Islands | 0 | - | 4.83 | 42,409 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,913 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,102 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,064 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,939 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,046 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,315 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,472 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 178,446 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,379 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,525 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,664 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,272 |
| Biggest European Cities by Century | 0 | - | 4.98 | 138,031 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,446 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,256 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,671 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,509 |
| Europe Capital to Country | 0 | - | 4.99 | 247,325 |
| Asia Capital to Country | 0 | - | 4.96 | 125,641 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,323 |
| European Capitals by Map | 0 | - | 4.99 | 135,989 |
| African Capitals by Map | 0 | - | 4.99 | 132,071 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,985 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,083 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,536 |
| European Coastal Capitals | 0 | - | 4.95 | 89,667 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,449 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,570 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,109 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,767 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,823 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,719 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,740 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,365 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,079 |
| Countries of the Middle East | 0 | - | 4.96 | 198,735 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,173 |
| The Only European Country ... | 0 | - | 4.91 | 213,547 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,876 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| African Island Countries | 0 | - | 4.96 | 100,674 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,350 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,463 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,199 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,653 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,178 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,032 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,636 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,599 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,379 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,946 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,504 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,603 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,681 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,119 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,090 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,209 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,481 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,170 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,326 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,143 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,441 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,456 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,464 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,968 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,414 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,726 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,082 |
| North America Map Quiz | 0 | - | 4.98 | 244,085 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,335 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,819 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,334 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,279 |
| Random U.S. States on a Map | 0 | - | 4.96 | 620,878 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,377 |
| Flags of North and South America | 0 | - | 4.99 | 365,849 |
| Australian States and Territories | 0 | - | 4.95 | 140,560 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,387 |
| Territories of the United States | 0 | - | 4.79 | 52,106 |
| Counties of England | 0 | - | 4.97 | 788,461 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,583 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,029 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,571 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,991 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,351 |
| African East Coast | 0 | - | 4.96 | 94,946 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,605 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,278 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,591 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,468 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,640 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,590 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,022 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,269 |
