| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,496 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,620 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,790 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,133 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,419 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,814 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,168 |
| Vietnam War Countries | 0 | - | 4.83 | 93,582 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,370 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,282 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,419 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,511 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,541 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,939 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,384 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 299,950 |
| US States Quiz | 0 | - | 5.00 | 16,693,419 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,853 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,927 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,795 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,958 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,809 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,551 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,841 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,932 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,207 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,297 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,711 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,994 |
| Random European Capital to Country | 0 | - | 4.98 | 189,148 |
| Random European Country to Capital | 0 | - | 4.92 | 147,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,341 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,371 |
| Random African Capital to Country | 0 | - | 4.97 | 99,711 |
| Random African Country to Capital | 0 | - | 4.94 | 70,197 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,512 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,793 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,832 |
| Pixelated United States Map | 0 | - | 4.89 | 93,438 |
| US States with an Empty Map | 0 | - | 5.00 | 618,579 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,683 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,666 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,321 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,371 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,611 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,867 |
| U.S. States By Population | 0 | - | 4.92 | 152,328 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,359 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,837 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,879 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,521 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,746 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,858 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,847 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,065 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,457 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,055 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,647 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,360 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,299 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,871 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,043 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,510 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,308 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,873 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,468 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,799 |
| United States Country Quiz | 0 | - | 4.43 | 100,543 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,009 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,067 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,532 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| Rivers of the United States | 0 | - | 4.93 | 65,485 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,920 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,639 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,661 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,605 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,881 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,838 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,627 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,592 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,016 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,533 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,938 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,564 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,918 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,168 |
| US States and State Capitals | 0 | - | 4.99 | 158,380 |
| Arms Exports - United States | 0 | - | 4.70 | 54,322 |
| Countries of Africa | 0 | - | 5.00 | 2,506,623 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,049 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,225 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,334 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,609 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,436 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,044 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,797 |
| Asia Map Quiz | 0 | - | 4.99 | 906,698 |
| Australia Map Quiz | 0 | - | 4.94 | 342,392 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,226 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,634 |
| U.S. State Flags | 0 | - | 4.89 | 166,967 |
| Hawaiian Islands | 0 | - | 4.83 | 42,423 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,070 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,346 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,079 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,010 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,463 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,441 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,482 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 178,500 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,494 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,842 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,228 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,358 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,489 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,317 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,754 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 42,812 |
| Europe Capital to Country | 0 | - | 4.99 | 247,456 |
| Asia Capital to Country | 0 | - | 4.96 | 125,709 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,398 |
| European Capitals by Map | 0 | - | 4.99 | 136,154 |
| African Capitals by Map | 0 | - | 4.99 | 132,113 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,080 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,146 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,577 |
| European Coastal Capitals | 0 | - | 4.95 | 89,713 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,170 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,637 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,685 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,407 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,151 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,900 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,845 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,422 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,474 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,233 |
| Countries of the Middle East | 0 | - | 4.96 | 198,838 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,218 |
| The Only European Country ... | 0 | - | 4.91 | 213,718 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,043 |
| Slavic Countries | 0 | - | 4.96 | 110,820 |
| African Island Countries | 0 | - | 4.96 | 100,748 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,457 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,181 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,482 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,287 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,712 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,233 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,108 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,266 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,449 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,042 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,576 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,672 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,731 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,133 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,138 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,540 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,219 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,375 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,201 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,479 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,776 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,905 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,111 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,447 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,764 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,157 |
| North America Map Quiz | 0 | - | 4.98 | 244,304 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,422 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,896 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,422 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,322 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,211 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,991 |
| Flags of North and South America | 0 | - | 4.99 | 366,795 |
| Australian States and Territories | 0 | - | 4.95 | 140,634 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,722 |
| Territories of the United States | 0 | - | 4.79 | 52,126 |
| Counties of England | 0 | - | 4.97 | 788,913 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,764 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,128 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,593 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,007 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,365 |
| African East Coast | 0 | - | 4.96 | 95,008 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,647 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,371 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,743 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,588 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,726 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,830 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,027 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,426 |
