| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,383 |
| North America Map Quiz | 0 | - | 4.98 | 244,576 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,638 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,818 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,846 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,917 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,390 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,461 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,266 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,368 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,406 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,093 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,524 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,801 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,919 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,375 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,190 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,359 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,974 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,373 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,891 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,301 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,095 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,517 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,592 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,666 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,131 |
| North American Physical Geography | 0 | - | 4.35 | 30,358 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,068 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,680 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,215 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,032 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,225 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,540 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,648 |
| US States Quiz | 0 | - | 5.00 | 16,707,198 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,334 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,022 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,130 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,470 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,587 |
| Pixelated United States Map | 0 | - | 4.89 | 93,513 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,505 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,896 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,218 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,317 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,770 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,391 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,446 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,712 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,957 |
| U.S. States By Population | 0 | - | 4.92 | 152,403 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,441 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,888 |
| US States with an Empty Map | 0 | - | 5.00 | 619,038 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,923 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,581 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,773 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,915 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,901 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,095 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,518 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,082 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,673 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,860 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,591 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,816 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,448 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,625 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,076 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,624 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 64,885 |
| Draw All US State Borders | 0 | - | 4.99 | 133,738 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,122 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,954 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 77,539 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,768 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,987 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,647 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,868 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,154 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Territories of the United States | 0 | - | 4.79 | 52,156 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,394 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,582 |
| Rivers of the United States | 0 | - | 4.93 | 65,542 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,759 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,441 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,344 |
| Hawaiian Islands | 0 | - | 4.83 | 42,437 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,466 |
| New York City Geography | 0 | - | 4.42 | 32,947 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,098 |
| U.S. State Flags | 0 | - | 4.89 | 167,212 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,544 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,801 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,616 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,894 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,686 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,107 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,560 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,671 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,597 |
| Official European Union Languages | 0 | - | 4.97 | 236,862 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,722 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,475 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,829 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,544 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,273 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,480 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,082 |
| United States Country Quiz | 0 | - | 4.43 | 100,627 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,612 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,888 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,639 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,271 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,619 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,568 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,328 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,075 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,069 |
| Asia Map Quiz | 0 | - | 4.99 | 907,365 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,662 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,479 |
| Countries of Africa | 0 | - | 5.00 | 2,508,880 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,842 |
| African East Coast | 0 | - | 4.96 | 95,082 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,975 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,824 |
| Australia Map Quiz | 0 | - | 4.94 | 342,565 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,195 |
| New World Crops | 0 | - | 4.33 | 23,504 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,547 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,086 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,110 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,318 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,631 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,910 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,733 |
| 75 Americans Named John | 0 | - | 4.41 | 23,829 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,751 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,921 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,695 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,600 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,202 |
| New York True or False? | 0 | - | 4.53 | 33,690 |
| The Most Recent... United States | 0 | - | 4.45 | 18,297 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,704 |
| New England States | 0 | - | 4.51 | 59,709 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,380,781 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,482 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,889 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,342 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,622 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,665,165 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,662 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,672 |
| U.S. States by Borders | 0 | - | 4.63 | 35,084 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,675 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,685 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,251 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,143 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,999 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,330 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,797 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,419 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,894 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,218 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,426 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,995 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,371 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,161 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,889 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,591 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,916 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,213 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,230 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,466 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,073 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,395 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,554 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,637 |
| The Only European Country ... | 0 | - | 4.91 | 213,945 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,614 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,575 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,523 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,510 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,323 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,445 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,668 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,664 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,604 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,314 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,519 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,173 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,507 |
| African Island Countries | 0 | - | 4.96 | 100,819 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,718 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,728 |
