| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,449 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,585 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,289 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,094 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,356 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,779 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,383 |
| Vietnam War Countries | 0 | - | 4.83 | 93,559 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,328 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,239 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,391 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,449 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,491 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,841 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,350 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 299,847 |
| US States Quiz | 0 | - | 5.00 | 16,687,254 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,797 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,881 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,742 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,933 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,785 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,547 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,804 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,894 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,147 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,183 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,636 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,978 |
| Random European Capital to Country | 0 | - | 4.98 | 189,109 |
| Random European Country to Capital | 0 | - | 4.92 | 147,371 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,306 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,348 |
| Random African Capital to Country | 0 | - | 4.97 | 99,690 |
| Random African Country to Capital | 0 | - | 4.94 | 70,166 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,470 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,485 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,691 |
| Pixelated United States Map | 0 | - | 4.89 | 93,405 |
| US States with an Empty Map | 0 | - | 5.00 | 618,386 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,630 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,642 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,282 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,325 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,556 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,820 |
| U.S. States By Population | 0 | - | 4.92 | 152,292 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,311 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,807 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,855 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,481 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,730 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,819 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,810 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,047 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,427 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,041 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,629 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,306 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,157 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,780 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,981 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,465 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,256 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,841 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,464 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,743 |
| United States Country Quiz | 0 | - | 4.43 | 100,515 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,858 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,016 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,501 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,781 |
| Rivers of the United States | 0 | - | 4.93 | 65,450 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,893 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,430 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,611 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,522 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,836 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,808 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,585 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,579 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,971 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,520 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,724 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,197 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,901 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,126 |
| US States and State Capitals | 0 | - | 4.99 | 158,243 |
| Arms Exports - United States | 0 | - | 4.70 | 54,302 |
| Countries of Africa | 0 | - | 5.00 | 2,505,779 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 70,953 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,202 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,322 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,345 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,620 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,791 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,349 |
| Asia Map Quiz | 0 | - | 4.99 | 906,330 |
| Australia Map Quiz | 0 | - | 4.94 | 342,336 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,158 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,611 |
| U.S. State Flags | 0 | - | 4.89 | 166,845 |
| Hawaiian Islands | 0 | - | 4.83 | 42,415 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,974 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,257 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,070 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,971 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,159 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,346 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,474 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 178,461 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,420 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,106 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,909 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,332 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,073 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,452 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,285 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,705 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 39,306 |
| Europe Capital to Country | 0 | - | 4.99 | 247,384 |
| Asia Capital to Country | 0 | - | 4.96 | 125,669 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,354 |
| European Capitals by Map | 0 | - | 4.99 | 136,071 |
| African Capitals by Map | 0 | - | 4.99 | 132,090 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,036 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,104 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,555 |
| European Coastal Capitals | 0 | - | 4.95 | 89,687 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,159 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,516 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,637 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,391 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,129 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,826 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,833 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,033 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,757 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,417 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,157 |
| Countries of the Middle East | 0 | - | 4.96 | 198,782 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,189 |
| The Only European Country ... | 0 | - | 4.91 | 213,617 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,954 |
| Slavic Countries | 0 | - | 4.96 | 110,800 |
| African Island Countries | 0 | - | 4.96 | 100,702 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,400 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,468 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,234 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,676 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,195 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,071 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,902 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,626 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,407 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,981 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,535 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,631 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,703 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,126 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,114 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,233 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,504 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,186 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,345 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,164 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,455 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,572 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,654 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,018 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,428 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,745 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,095 |
| North America Map Quiz | 0 | - | 4.98 | 244,149 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,377 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,847 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,400 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,305 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,035 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,675 |
| Flags of North and South America | 0 | - | 4.99 | 366,301 |
| Australian States and Territories | 0 | - | 4.95 | 140,596 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,518 |
| Territories of the United States | 0 | - | 4.79 | 52,113 |
| Counties of England | 0 | - | 4.97 | 788,666 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,686 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,080 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,584 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,997 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,360 |
| African East Coast | 0 | - | 4.96 | 94,971 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,625 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,317 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,659 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,525 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,684 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,955 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,023 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,335 |
