| Third Most Common Language by U.S. State | 0 | - | 4.90 | 107,850 |
| North America Map Quiz | 0 | - | 4.98 | 201,946 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,057 |
| Most Spoken Languages in Canada | 0 | - | 4.84 | 47,639 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 165,017 |
| Canada Multiple Choice Quiz | 0 | - | 4.49 | 31,784 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,251 |
| U.S. Highway Signs By State | 0 | - | 4.43 | 14,250 |
| Top U.S. Cash Crops | 0 | - | 4.41 | 59,256 |
| Name a Valid Answer - United States #1 | 0 | - | 4.65 | 86,991 |
| Most Common High School Mascots | 0 | - | 4.42 | 28,363 |
| Native American Tribes in the US | 0 | - | 4.72 | 23,129 |
| U.S. Geography True or False #1 | 0 | - | 4.52 | 26,882 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,778 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,530 |
| United States Map Quiz | 0 | - | 4.98 | 3,922,048 |
| Most Populous Native American Tribes | 0 | - | 4.32 | 11,785 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.17 | 50,398 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.09 | 37,801 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.32 | 27,152 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,600 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,514 |
| Name a Valid Answer - United States #2 | 0 | - | 4.13 | 24,371 |
| Australia... or New Zealand? | 0 | - | 4.83 | 55,148 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,816 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,675 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 223,264 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,215 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,972 |
| The U.S. Pledge of Allegiance | 0 | - | 3.96 | 17,693 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 61,479 |
| England or Wales? | 0 | - | 4.93 | 40,668 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,397 |
| North American Physical Geography | 0 | - | 4.33 | 29,528 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,509 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 148,355 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,346 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,933 |
| US States Quiz | 0 | - | 5.00 | 14,894,562 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 341,906 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,160 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 489,037 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 25,494 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,485 |
| Pixelated United States Map | 0 | - | 4.90 | 83,005 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,479 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,639 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,202,893 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 159,232 |
| The 13 Colonies Quiz | 0 | - | 4.96 | 101,295 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,084 |
| 10 Southernmost U.S. States | 0 | - | 4.85 | 100,158 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,198 |
| U.S. States that Start with M | 0 | - | 4.91 | 151,758 |
| U.S. States By Population | 0 | - | 4.90 | 130,911 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,418 |
| U.S. States with Longest Names | 0 | - | 4.85 | 36,478 |
| US States with an Empty Map | 0 | - | 5.00 | 559,479 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,441 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,493 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,741 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,674 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,323 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,461 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,544 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 68,964 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,917 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,399 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,221 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,268 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 278,699 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,558 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,160 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,168 |
| Six Flags Over Texas | 0 | - | 4.84 | 59,143 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 462,200 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,895 |
| Draw All US State Borders | 0 | - | 4.99 | 95,997 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,336 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,868 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,251 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,805 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 171,187 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,353 |
| Australian Capitals | 0 | - | 4.92 | 61,018 |
| Territories of the United States | 0 | - | 4.77 | 48,829 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 161,070 |
| Rivers of the United States | 0 | - | 4.92 | 57,596 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,715 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 108,125 |
| Countries Closest to Alaska | 0 | - | 4.92 | 99,901 |
| Hawaiian Islands | 0 | - | 4.85 | 38,692 |
| Countries Closest to Maine | 0 | - | 4.85 | 59,554 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 57,987 |
| U.S. State Flags | 0 | - | 4.87 | 138,795 |
| U.S. States that Border Canada | 0 | - | 4.90 | 166,467 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 186,532 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,706 |
| Cartoon Versions of U.S. States | 0 | - | 4.82 | 52,740 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,184 |
| Top 10 Hottest U.S. States | 0 | - | 4.83 | 101,712 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,029 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,330 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 91,325 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 52,311 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,483 |
| Official European Union Languages | 0 | - | 4.98 | 202,709 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,407 |
| Europe Map Quiz | 0 | - | 5.00 | 4,328,784 |
| Which Country of the United Kingdom? | 0 | - | 4.60 | 35,602 |
| British Geography Multiple Choice | 0 | - | 4.41 | 41,233 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,351,796 |
| Asia Map Quiz | 0 | - | 4.99 | 794,619 |
| Africa Map Quiz | 0 | - | 5.00 | 1,952,546 |
| Oceania Map Quiz | 0 | - | 4.98 | 572,964 |
| U.S. State Nicknames Quiz | 0 | - | 4.48 | 46,522 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,312 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,066 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,488 |
| United States Country Quiz | 0 | - | 4.44 | 90,145 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,881 |
| U.S. Presidents by Picture | 0 | - | 4.85 | 396,837 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 355,342 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.78 | 57,662 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,270,549 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 196,536 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 390,012 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 77,751 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,903 |
| Top 10 Oldest African Countries | 0 | - | 4.84 | 23,302 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,085 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,564 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,061 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,288,754 |
| Countries of Africa | 0 | - | 5.00 | 2,196,686 |
| African East Coast | 0 | - | 4.97 | 85,132 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,692 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,071 |
| Australia Map Quiz | 0 | - | 4.95 | 321,643 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,459 |
| New World Crops | 0 | - | 4.33 | 22,888 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,191 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 704,946 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,848 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,439 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 76,363 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 168,999 |
| Play-Doh Presidents | 0 | - | 5.00 | 75,766 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,505 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 122,962 |
| New England States | 0 | - | 4.52 | 52,515 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,255,625 |
| US States by Land Area | 0 | - | 4.54 | 48,781 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,336 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 76,997 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.84 | 51,334 |
| US States by Borders in 30 Seconds | 0 | - | 4.75 | 2,418,134 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,440 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,523 |
| Random U.S. States on a Map | 0 | - | 4.95 | 503,134 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 152,854 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,221 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 82,978 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,743 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,068 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,556 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,649 |
| Top 10 Newest U.S. States | 0 | - | 4.79 | 68,431 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 61,981 |
| Top 10 Most Obese U.S. States | 0 | - | 4.52 | 77,615 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.49 | 64,922 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,631 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,132 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,478 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,656 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,372 |
| Ten Most Rectangular U.S. States | 0 | - | 4.51 | 56,876 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,456 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,063 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,899 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,227 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,905 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,253 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,221 |
| The Only European Country ... | 0 | - | 4.93 | 181,317 |
| Austria... or Australia? | 0 | - | 4.79 | 98,621 |
| European Countries Ending in "IA" | 0 | - | 4.95 | 56,795 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 21,065 |
| Counties of England | 0 | - | 4.97 | 698,547 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,859 |
| Flags of Asia Quiz | 0 | - | 4.99 | 530,535 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,065 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,022 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,651 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,119 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,628 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,491 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 211,994 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 37,144 |
