| Colombia Country Quiz | 0 | - | 4.90 | 40,921 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,470 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,827 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,144 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,803 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,489 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,715 |
| US States Quiz | 0 | - | 5.00 | 16,964,598 |
| States of Mexico | 0 | - | 4.96 | 177,686 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,207 |
| Which South American Country? | 0 | - | 4.69 | 52,065 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,326 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,567 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,730 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,230 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,798 |
| States of Brazil | 0 | - | 4.97 | 89,270 |
| Chile Country Quiz | 0 | - | 4.75 | 40,230 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,976 |
| Peru Country Quiz | 0 | - | 4.54 | 48,861 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,631 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,582 |
| Elton John Quiz | 0 | - | 4.49 | 18,512 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,101 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,077 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,333 |
| Rivers of the United States | 0 | - | 4.93 | 66,548 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,996 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,926 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,473 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,129 |
| US States with an Empty Map | 0 | - | 5.00 | 627,575 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,220 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,963 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,700 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,321 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,671 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,145 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,811 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,922 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,071 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,506 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,241 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,068 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,313 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,361 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,898 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,576 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,064 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,788 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,786 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,256 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,973 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,246 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,183 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,771 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,956 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,330 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,057 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,015 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,292 |
| Australian Capitals | 0 | - | 4.92 | 62,806 |
| Australia Map Quiz | 0 | - | 4.95 | 345,801 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,826 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,263 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,834 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,645 |
| History of Mexico | 0 | - | 4.52 | 15,357 |
| South American Physical Geography | 0 | - | 4.58 | 18,388 |
| Word Chain - South America | 0 | - | 4.51 | 23,975 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,761 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,308 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,694 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,815 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,048 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,061 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,766 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,812 |
| Arms Exports - United States | 0 | - | 4.77 | 62,645 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,103 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,582 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,217 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,856 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,122 |
| State Quiz - California | 0 | - | 4.69 | 64,692 |
| State Quiz - Florida | 0 | - | 4.47 | 62,526 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,974 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,621 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,697 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,887 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,503 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,582 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,940 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,330 |
| State Quiz - New York | 0 | - | 4.52 | 46,333 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,492 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,291 |
| State Quiz - Texas | 0 | - | 4.43 | 63,107 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,545 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,229 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,318 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,441 |
| State Quiz - Washington | 0 | - | 4.45 | 36,586 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,334 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,883 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,530 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,339 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,078 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,010 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,850 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,677 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,725 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,147 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,545 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,311 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,106 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,228 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,899 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,053 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,638 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,726 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,674 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,937 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,404 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,960 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,799 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,131 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,348 |
| O Canada Lyrics | 0 | - | 4.47 | 51,035 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,814 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,485 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,847 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,322 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,587 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,771 |
| Official European Union Languages | 0 | - | 4.97 | 239,463 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,471 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,231 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,773 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,260 |
| The Only European Country ... | 0 | - | 4.91 | 218,421 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,188 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,003 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,014 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,018 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,273 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,164 |
| Asia Map Quiz | 0 | - | 4.99 | 923,203 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,923 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,697 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,312 |
| Countries of Africa | 0 | - | 5.00 | 2,553,383 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,217 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,639 |
| African East Coast | 0 | - | 4.96 | 96,580 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,428 |
| A Quiz About Elvis Presley | 0 | - | 4.34 | 21,278 |
| Countries by National Anthem | 0 | - | 4.92 | 71,368 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,474 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,740 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,524 |
| Flags of Oceania | 0 | - | 5.00 | 261,918 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,584 |
| Australian States and Territories | 0 | - | 4.96 | 142,640 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,309 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,449 |
| Australia True or False | 0 | - | 4.87 | 57,076 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,815 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,485 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,364 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,889 |
| Regions of New Zealand | 0 | - | 4.84 | 28,674 |
| Flags of North and South America | 0 | - | 4.99 | 375,954 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,870 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,653 |
| The Only American Country ... | 0 | - | 4.92 | 122,065 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,518 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,644 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,699 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,425 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,456 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,428 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,147 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,324 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,570 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,464 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,623 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,761 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,520 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,062 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,414 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,958 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,447 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,230 |
| Famous People from South America | 0 | - | 4.15 | 22,057 |
| South America A-Z | 0 | - | 4.15 | 10,938 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,445 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,241 |
| Central American Countries | 0 | - | 4.98 | 157,137 |
