| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,385 |
| North America Map Quiz | 0 | - | 4.98 | 244,613 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,647 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,851 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,851 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,926 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,393 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,465 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,269 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,521 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,406 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,096 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,525 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,805 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,920 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,377 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,166 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,195 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,362 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,983 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,390 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,905 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,302 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,101 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,521 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,592 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,667 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,133 |
| North American Physical Geography | 0 | - | 4.35 | 30,359 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,095 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,684 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,229 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,055 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,226 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,545 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,658 |
| US States Quiz | 0 | - | 5.00 | 16,708,821 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,350 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,026 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,170 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,492 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,588 |
| Pixelated United States Map | 0 | - | 4.89 | 93,521 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,517 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,903 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,684 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,323 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,782 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,404 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,455 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,724 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,974 |
| U.S. States By Population | 0 | - | 4.92 | 152,411 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,453 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,895 |
| US States with an Empty Map | 0 | - | 5.00 | 619,107 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,930 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,587 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,777 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,924 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,911 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,096 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,520 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,083 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,675 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,862 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,608 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,820 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,455 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,637 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,125 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,637 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 64,902 |
| Draw All US State Borders | 0 | - | 4.99 | 133,799 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,125 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,959 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 77,546 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,779 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,997 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,675 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,878 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,164 |
| Australian Capitals | 0 | - | 4.92 | 62,595 |
| Territories of the United States | 0 | - | 4.79 | 52,160 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,395 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,599 |
| Rivers of the United States | 0 | - | 4.93 | 65,554 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,761 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,445 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,351 |
| Hawaiian Islands | 0 | - | 4.83 | 42,439 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,472 |
| New York City Geography | 0 | - | 4.42 | 32,949 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,099 |
| U.S. State Flags | 0 | - | 4.89 | 167,260 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,569 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,818 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,625 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,899 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,689 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,118 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,565 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,678 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,603 |
| Official European Union Languages | 0 | - | 4.97 | 236,942 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,728 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,738 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,896 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,597 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,275 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,481 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,082 |
| United States Country Quiz | 0 | - | 4.43 | 100,639 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,613 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,909 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,664 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,490 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,640 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,582 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,376 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,080 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,168 |
| Asia Map Quiz | 0 | - | 4.99 | 907,439 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,662 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,490 |
| Countries of Africa | 0 | - | 5.00 | 2,509,153 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,855 |
| African East Coast | 0 | - | 4.96 | 95,086 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,978 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,826 |
| Australia Map Quiz | 0 | - | 4.94 | 342,573 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,198 |
| New World Crops | 0 | - | 4.33 | 23,505 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,552 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,089 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,111 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,362 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,632 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,922 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,739 |
| 75 Americans Named John | 0 | - | 4.41 | 23,829 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,755 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,955 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,702 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,604 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,203 |
| New York True or False? | 0 | - | 4.53 | 33,691 |
| The Most Recent... United States | 0 | - | 4.45 | 18,300 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,707 |
| New England States | 0 | - | 4.51 | 59,711 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,380,928 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,486 |
| 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 | 82,351 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,624 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,665,266 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,667 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,672 |
| U.S. States by Borders | 0 | - | 4.63 | 35,086 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,717 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,714 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,253 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,148 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,999 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,333 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,799 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,419 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,899 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,219 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,429 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,997 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,377 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,164 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,895 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,598 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,920 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,233 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,233 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,466 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,094 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,418 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,556 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,656 |
| The Only European Country ... | 0 | - | 4.91 | 213,970 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,629 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,577 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,524 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,523 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,366 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,448 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,736 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,682 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,620 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,320 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,523 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,191 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,517 |
| African Island Countries | 0 | - | 4.96 | 100,831 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,733 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,730 |
