| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,225 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,173 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,835 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,055 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,292 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,258 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,000 |
| Vietnam War Countries | 0 | - | 4.82 | 94,509 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,986 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,922 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,473 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,345 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,125 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,412 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,559 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 303,512 |
| US States Quiz | 0 | - | 5.00 | 16,963,955 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,033 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,760 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,410 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,697 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,749 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,688 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,815 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,774 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,281 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,644 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,342 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,963 |
| Random European Capital to Country | 0 | - | 4.98 | 191,865 |
| Random European Country to Capital | 0 | - | 4.93 | 165,685 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,890 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,282 |
| Random African Capital to Country | 0 | - | 4.97 | 101,166 |
| Random African Country to Capital | 0 | - | 4.94 | 71,635 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,956 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,342 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,600 |
| Pixelated United States Map | 0 | - | 4.88 | 94,661 |
| US States with an Empty Map | 0 | - | 5.00 | 627,551 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,818 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,541 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,037 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,052 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,701 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,059 |
| U.S. States By Population | 0 | - | 4.92 | 153,973 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,009 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,768 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,955 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,731 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,963 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,516 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,088 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,573 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,762 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,564 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,414 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,430 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,765 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,234 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,932 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,646 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,261 |
| United States Country Quiz | 0 | - | 4.43 | 102,019 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,056 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,295 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,959 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,333 |
| Rivers of the United States | 0 | - | 4.93 | 66,546 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,928 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,161 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,805 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,206 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,913 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,696 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,317 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,095 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,666 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,144 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,275 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,422 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,186 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,625 |
| US States and State Capitals | 0 | - | 4.99 | 164,664 |
| Arms Exports - United States | 0 | - | 4.77 | 62,645 |
| Countries of Africa | 0 | - | 5.00 | 2,553,250 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,619 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,885 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,811 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,291 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,144 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,971 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,140 |
| Asia Map Quiz | 0 | - | 4.99 | 923,168 |
| Australia Map Quiz | 0 | - | 4.95 | 345,788 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,755 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,360 |
| U.S. State Flags | 0 | - | 4.89 | 172,220 |
| Hawaiian Islands | 0 | - | 4.83 | 42,864 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,238 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,231 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,463 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,517 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,061 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,305 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,802 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,781 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,170 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,018 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,384 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,330 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,009 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,665 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,268 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,825 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,498 |
| Name a City - European Countries | 0 | - | 4.90 | 65,973 |
| Europe Capital to Country | 0 | - | 4.99 | 251,650 |
| Asia Capital to Country | 0 | - | 4.96 | 127,229 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,691 |
| European Capitals by Map | 0 | - | 4.99 | 141,517 |
| African Capitals by Map | 0 | - | 4.99 | 141,584 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,651 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,673 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,012 |
| European Coastal Capitals | 0 | - | 4.95 | 91,124 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,906 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,370 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,068 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,445 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,310 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,486 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,858 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,634 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,760 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,259 |
| Countries of the Middle East | 0 | - | 4.96 | 202,289 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,954 |
| The Only European Country ... | 0 | - | 4.91 | 218,397 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,478 |
| Slavic Countries | 0 | - | 4.96 | 112,195 |
| African Island Countries | 0 | - | 4.96 | 102,260 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,178 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,845 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,083 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,093 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,181 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,448 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,828 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,053 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,588 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,121 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,336 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,087 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,298 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,366 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,867 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,652 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,848 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,317 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,089 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,728 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,002 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,976 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,226 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,182 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,411 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,622 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,288 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,647 |
| North America Map Quiz | 0 | - | 4.98 | 250,790 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,694 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,425 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,401 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,629 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,244 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,864 |
| Flags of North and South America | 0 | - | 4.99 | 375,935 |
| Australian States and Territories | 0 | - | 4.96 | 142,635 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,213 |
| Territories of the United States | 0 | - | 4.80 | 52,558 |
| Counties of England | 0 | - | 4.97 | 801,364 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,030 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,425 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,173 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,449 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,824 |
| African East Coast | 0 | - | 4.96 | 96,570 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,900 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,954 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,220 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,319 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,275 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,421 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,062 |
