| Colombia Country Quiz | 0 | - | 4.90 | 40,282 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,179 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,459 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,983 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,260 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,962 |
| US States Quiz | 0 | - | 5.00 | 16,685,096 |
| States of Mexico | 0 | - | 4.95 | 173,159 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,347 |
| Which South American Country? | 0 | - | 4.69 | 51,701 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,074 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,828 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,053 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,028 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,359 |
| States of Brazil | 0 | - | 4.98 | 86,262 |
| Chile Country Quiz | 0 | - | 4.75 | 39,699 |
| Peru Country Quiz | 0 | - | 4.54 | 48,264 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,337 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,676 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,160 |
| Elton John Quiz | 0 | - | 4.48 | 18,396 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,089 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,824 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,780 |
| Rivers of the United States | 0 | - | 4.93 | 65,444 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,312 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,230 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,387 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,487 |
| US States with an Empty Map | 0 | - | 5.00 | 618,334 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,512 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,494 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,800 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,575 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,968 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,519 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,587 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,824 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,592 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,017 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,853 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,233 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,099 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,333 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,610 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,902 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,232 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,381 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,712 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 15,779 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,267 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,158 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,516 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,116 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,986 |
| Countries of Africa | 0 | - | 5.00 | 2,505,479 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,157 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,754 |
| African East Coast | 0 | - | 4.96 | 94,960 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,697 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,736 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Australia Map Quiz | 0 | - | 4.94 | 342,294 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,512 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,061 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,607 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,942 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,306 |
| History of Mexico | 0 | - | 4.58 | 15,223 |
| South American Physical Geography | 0 | - | 4.58 | 18,263 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,596 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,887 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,140 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,568 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,217 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,871 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,102 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,319 |
| Arms Exports - United States | 0 | - | 4.70 | 54,291 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,717 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,366 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,777 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,476 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,620 |
| State Quiz - California | 0 | - | 4.68 | 63,923 |
| State Quiz - Florida | 0 | - | 4.47 | 61,912 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,610 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 70,919 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,305 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,200 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,137 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,227 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,533 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,030 |
| State Quiz - New York | 0 | - | 4.52 | 45,712 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,186 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,860 |
| State Quiz - Texas | 0 | - | 4.43 | 62,460 |
| Six Flags Over Texas | 0 | - | 4.79 | 62,981 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,593 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,885 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,018 |
| State Quiz - Washington | 0 | - | 4.45 | 36,150 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,651 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,310 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,552 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,632 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,366 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,421 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,156 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,731 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,251 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,406 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,418 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,551 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,344 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,250 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,459 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,433 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,395 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,061 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,374 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,551 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,981 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,222 |
| O Canada Lyrics | 0 | - | 4.47 | 50,771 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,991 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,918 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,163 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,798 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,540 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,135 |
| Official European Union Languages | 0 | - | 4.97 | 236,397 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,622 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,493 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,396 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,940 |
| The Only European Country ... | 0 | - | 4.91 | 213,581 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,378 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,540 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,418 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,668 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,525 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,529 |
| Asia Map Quiz | 0 | - | 4.99 | 906,184 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,487 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,356 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,287 |
| A Quiz About Elvis Presley | 0 | - | 4.33 | 21,156 |
| Countries by National Anthem | 0 | - | 4.92 | 71,001 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,527 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,146 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,747 |
| States of India | 0 | - | 4.94 | 189,819 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,728 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,294 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,395 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,566 |
| African Great Lakes | 0 | - | 4.82 | 65,069 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,983 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,524 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,491 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,179 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,450 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,211 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,970 |
| The Only African Country ... | 0 | - | 4.99 | 128,293 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,748 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,807 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,302 |
| African Island Countries | 0 | - | 4.96 | 100,696 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,314 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,505 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,997 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,039 |
| Name a Valid African Country | 0 | - | 4.98 | 152,847 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,463 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,797 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,000 |
| Flags of Oceania | 0 | - | 5.00 | 254,792 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,883 |
| Australian States and Territories | 0 | - | 4.95 | 140,580 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,348 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,996 |
| Australia True or False | 0 | - | 4.87 | 56,479 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,177 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,442 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,143 |
| Regions of New Zealand | 0 | - | 4.85 | 28,107 |
| Flags of North and South America | 0 | - | 4.99 | 366,121 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,122 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,108 |
| The Only American Country ... | 0 | - | 4.92 | 120,686 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,283 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,025 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,319 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,280 |