| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,367 |
| North America Map Quiz | 0 | - | 4.98 | 244,279 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,583 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,549 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,815 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,880 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,864 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,380 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,420 |
| Native American Tribes in the US | 0 | - | 4.70 | 25,256 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,579 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,659 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,065 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,404 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,083 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,516 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,782 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,217 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,358 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,135 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,034 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,341 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,926 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,277 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,832 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,285 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,029 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,466 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,116 |
| North American Physical Geography | 0 | - | 4.35 | 30,352 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,745 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,616 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,104 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,695 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,505 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,598 |
| US States Quiz | 0 | - | 5.00 | 16,692,482 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,194 |
| Iceland True or False? | 0 | - | 4.93 | 36,959 |
| England or Wales? | 0 | - | 4.94 | 45,303 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,008 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,798 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,223 |
| Peru True or False? | 0 | - | 4.58 | 15,186 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,598 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,577 |
| Pixelated United States Map | 0 | - | 4.89 | 93,435 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,412 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,812 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,652,258 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,204 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,678 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,316 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,365 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,598 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,864 |
| U.S. States By Population | 0 | - | 4.92 | 152,322 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,353 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,832 |
| US States with an Empty Map | 0 | - | 5.00 | 618,546 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,875 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,510 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,742 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,853 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,839 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,060 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,452 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,053 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,645 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,804 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,450 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,791 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,363 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,500 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,603 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,533 |
| Draw All US State Borders | 0 | - | 4.99 | 133,440 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,054 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,915 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,654 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,876 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,311 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,557 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,810 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,059 |
| Australian Capitals | 0 | - | 4.92 | 62,589 |
| Territories of the United States | 0 | - | 4.79 | 52,124 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,364 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,505 |
| Rivers of the United States | 0 | - | 4.93 | 65,480 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,715 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,377 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,274 |
| Hawaiian Islands | 0 | - | 4.83 | 42,421 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,416 |
| New York City Geography | 0 | - | 4.42 | 32,910 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,078 |
| U.S. State Flags | 0 | - | 4.89 | 166,946 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,335 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,597 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,527 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,833 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,616 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,007 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,530 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,633 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,560 |
| Official European Union Languages | 0 | - | 4.97 | 236,461 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,659 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,833 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,717 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,997 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,252 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,468 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| United States Country Quiz | 0 | - | 4.43 | 100,539 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,589 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,528 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,484 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,693 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,419 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,428 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,058 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,008 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,764 |
| Sweden True or False? | 0 | - | 4.56 | 40,059 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,026 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,166 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,322 |
| Asia Map Quiz | 0 | - | 4.99 | 906,632 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,636 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,387 |
| Countries of Africa | 0 | - | 5.00 | 2,506,468 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| African East Coast | 0 | - | 4.96 | 95,001 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,893 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,759 |
| Australia Map Quiz | 0 | - | 4.94 | 342,379 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| New World Crops | 0 | - | 4.33 | 23,500 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,525 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,071 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,086 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,016 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,630 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,792 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,689 |
| 75 Americans Named John | 0 | - | 4.41 | 23,821 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,732 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,754 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,650 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,578 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,193 |
| New York True or False? | 0 | - | 4.53 | 33,678 |
| The Most Recent... United States | 0 | - | 4.45 | 18,276 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,660 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,649 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,468 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,880 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,298 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,591 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,827 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,617 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,654 |
| U.S. States by Borders | 0 | - | 4.63 | 35,058 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,178 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,428 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,224 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,118 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,981 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,295 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,769 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,408 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,863 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,198 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,402 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,944 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,302 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,142 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,841 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,553 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,879 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,029 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,178 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,428 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,886 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,218 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,520 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,462 |
| The Only European Country ... | 0 | - | 4.91 | 213,696 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,450 |
| Austria... or Australia? | 0 | - | 4.68 | 103,842 |
| Ireland True or False? | 0 | - | 4.57 | 49,359 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,497 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,414 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,570 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,421 |
