| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,229 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,176 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,842 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,058 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,298 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,261 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,020 |
| Vietnam War Countries | 0 | - | 4.82 | 94,509 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,992 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,924 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,473 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,349 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,127 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,425 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,560 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 303,518 |
| US States Quiz | 0 | - | 5.00 | 16,964,233 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,037 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,764 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,416 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,699 |
| 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 | 96,777 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,284 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,645 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,346 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,964 |
| Random European Capital to Country | 0 | - | 4.98 | 191,868 |
| Random European Country to Capital | 0 | - | 4.93 | 165,686 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,890 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,283 |
| Random African Capital to Country | 0 | - | 4.97 | 101,168 |
| Random African Country to Capital | 0 | - | 4.94 | 71,636 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,959 |
| 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 | 334,616 |
| Pixelated United States Map | 0 | - | 4.88 | 94,663 |
| US States with an Empty Map | 0 | - | 5.00 | 627,562 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,819 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,543 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,042 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,057 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,704 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,063 |
| U.S. States By Population | 0 | - | 4.92 | 153,976 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,011 |
| 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 | 88,734 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,966 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,517 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,574 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,762 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,565 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,418 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,435 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,770 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,238 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,976 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,647 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,264 |
| United States Country Quiz | 0 | - | 4.43 | 102,021 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,117 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,297 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,961 |
| 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 | 82,932 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,179 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,809 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,212 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,916 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,700 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,317 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,096 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,668 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,145 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,309 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,449 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,189 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,628 |
| US States and State Capitals | 0 | - | 4.99 | 164,668 |
| Arms Exports - United States | 0 | - | 4.77 | 62,645 |
| Countries of Africa | 0 | - | 5.00 | 2,553,302 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,621 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,887 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,812 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,298 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,159 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,003 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,185 |
| Asia Map Quiz | 0 | - | 4.99 | 923,188 |
| Australia Map Quiz | 0 | - | 4.95 | 345,792 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,759 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,360 |
| U.S. State Flags | 0 | - | 4.89 | 172,224 |
| Hawaiian Islands | 0 | - | 4.83 | 42,865 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,245 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,235 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,464 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,518 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,066 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,308 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,803 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,781 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,175 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,045 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,405 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,331 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,011 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,667 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,273 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,827 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,499 |
| Name a City - European Countries | 0 | - | 4.90 | 65,975 |
| Europe Capital to Country | 0 | - | 4.99 | 251,655 |
| Asia Capital to Country | 0 | - | 4.96 | 127,230 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,698 |
| European Capitals by Map | 0 | - | 4.99 | 141,517 |
| African Capitals by Map | 0 | - | 4.99 | 141,588 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,652 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,674 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,014 |
| European Coastal Capitals | 0 | - | 4.95 | 91,125 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,913 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,374 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,073 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,448 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,318 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,487 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,875 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,636 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,763 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,268 |
| Countries of the Middle East | 0 | - | 4.96 | 202,293 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,955 |
| The Only European Country ... | 0 | - | 4.91 | 218,410 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,482 |
| Slavic Countries | 0 | - | 4.96 | 112,196 |
| African Island Countries | 0 | - | 4.96 | 102,263 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,182 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,845 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,086 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,095 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,183 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,450 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,834 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,070 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,590 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,126 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,343 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,089 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,300 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,370 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,868 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,653 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,851 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,319 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,091 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,729 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,004 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,978 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,236 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,208 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,413 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,623 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,289 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,647 |
| North America Map Quiz | 0 | - | 4.98 | 250,818 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,696 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,425 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,402 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,630 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,257 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,894 |
| Flags of North and South America | 0 | - | 4.99 | 375,942 |
| Australian States and Territories | 0 | - | 4.96 | 142,638 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,229 |
| Territories of the United States | 0 | - | 4.80 | 52,558 |
| Counties of England | 0 | - | 4.97 | 801,384 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,038 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,426 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,174 |
| 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 | 96,573 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,900 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,960 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,220 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,322 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,282 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,456 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,063 |
