| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,365 |
| North America Map Quiz | 0 | - | 4.98 | 244,236 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,581 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,518 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,812 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,858 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,379 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,415 |
| Native American Tribes in the US | 0 | - | 4.70 | 25,255 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,404 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,808 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,080 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,514 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,779 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,872 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,353 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,130 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,127 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,341 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,919 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,263 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,823 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,019 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,465 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,578 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,656 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,114 |
| North American Physical Geography | 0 | - | 4.35 | 30,351 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,005 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,655 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,604 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,094 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,553 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,216 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,505 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,582 |
| US States Quiz | 0 | - | 5.00 | 16,690,671 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,174 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,188 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,433 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,747 |
| Pixelated United States Map | 0 | - | 4.89 | 93,424 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,390 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,803 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,191 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,664 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,303 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,352 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,578 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,842 |
| U.S. States By Population | 0 | - | 4.92 | 152,306 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,333 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,824 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,867 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,500 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,735 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,840 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,829 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,053 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,448 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,048 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,641 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,794 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,270 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,043 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,574 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,651,746 |
| US States with an Empty Map | 0 | - | 5.00 | 618,498 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,789 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,349 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,486 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,551 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,517 |
| Draw All US State Borders | 0 | - | 4.99 | 133,383 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,038 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,907 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,534 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,636 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,862 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,803 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,597 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,935 |
| Australian Capitals | 0 | - | 4.92 | 62,589 |
| Territories of the United States | 0 | - | 4.79 | 52,121 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,363 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,491 |
| Rivers of the United States | 0 | - | 4.93 | 65,469 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,710 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,259 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,404 |
| New York City Geography | 0 | - | 4.42 | 32,902 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,575 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,521 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,823 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,604 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,991 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,525 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,553 |
| Official European Union Languages | 0 | - | 4.97 | 236,446 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,649 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,026 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,278 |
| Asia Map Quiz | 0 | - | 4.99 | 906,554 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,771 |
| African East Coast | 0 | - | 4.96 | 94,992 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,879 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,753 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| New World Crops | 0 | - | 4.33 | 23,499 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,250 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,465 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| United States Country Quiz | 0 | - | 4.43 | 100,534 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,588 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,371 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,488 |
| Hawaiian Islands | 0 | - | 4.83 | 42,418 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,073 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,396 |
| U.S. State Flags | 0 | - | 4.89 | 166,903 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,318 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,319 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,388 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,624 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,004 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,173 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,420 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,862 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,518 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,444 |
| The Only European Country ... | 0 | - | 4.91 | 213,666 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,435 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,992 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,634 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,405 |
| Countries of Africa | 0 | - | 5.00 | 2,506,234 |
| Australia Map Quiz | 0 | - | 4.94 | 342,362 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,519 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,069 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,083 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,988 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,628 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,775 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,685 |
| 75 Americans Named John | 0 | - | 4.41 | 23,821 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,722 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,457 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,725 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,642 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,575 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,190 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,460 |
| 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 | 82,292 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,612 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,651 |
| U.S. States by Borders | 0 | - | 4.63 | 35,057 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,140 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,401 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,220 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,113 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,975 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,289 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,767 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,407 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,857 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,197 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,396 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,937 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,295 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,136 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,833 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,546 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,867 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,204 |
| Celtic Nations | 0 | - | 4.69 | 46,805 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,494 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,527 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,415 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,848 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,558 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,526 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,202 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,466 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,012 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,344 |
| African Island Countries | 0 | - | 4.96 | 100,726 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,562 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,652 |
| Australian States and Territories | 0 | - | 4.95 | 140,601 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,999 |
| Australia True or False | 0 | - | 4.87 | 56,488 |
| Flags of North and South America | 0 | - | 4.99 | 366,562 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,096 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,795 |
| Peru True or False? | 0 | - | 4.58 | 15,186 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,598 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,124 |
