| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,054 |
| North America Map Quiz | 0 | - | 4.98 | 253,083 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,702 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,333 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,377 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,363 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,607 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,527 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,770 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,500 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,452 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,486 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,750 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,227 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,776 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,729 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,108 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,034 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,802 |
| U.S. State Border Crossings | 0 | - | 4.97 | 97,000 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,048 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,117 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,420 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,328 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,358 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,847 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,953 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,517 |
| North American Physical Geography | 0 | - | 4.35 | 30,479 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,430 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,639 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,627 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,031 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,271 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,484 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,201 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,863 |
| US States Quiz | 0 | - | 5.00 | 17,034,022 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,990 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,288 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,588 |
| Pixelated United States Map | 0 | - | 4.89 | 95,048 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,832 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,667 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,100 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,256 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,501 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,508 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,599 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,665 |
| U.S. States By Population | 0 | - | 4.92 | 154,317 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,446 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,020 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,203 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,027 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,621 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,260 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,225 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,345 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,802 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,893 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,748 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,096 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,646 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,150 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,772 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,882 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,733,474 |
| US States with an Empty Map | 0 | - | 5.00 | 629,938 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,480 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,472 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,024 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,328 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,504 |
| Draw All US State Borders | 0 | - | 4.99 | 141,751 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,628 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,145 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,562 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,486 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,700 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,235 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,877 |
| Australian Capitals | 0 | - | 4.92 | 62,887 |
| Territories of the United States | 0 | - | 4.80 | 52,692 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,948 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,312 |
| Rivers of the United States | 0 | - | 4.93 | 66,842 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,619 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,392 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,749 |
| New York City Geography | 0 | - | 4.43 | 33,210 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,991 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,346 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,115 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,770 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,060 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,310 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,893 |
| Official European Union Languages | 0 | - | 4.97 | 240,479 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,897 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,617 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,796 |
| Asia Map Quiz | 0 | - | 4.99 | 927,305 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,587 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,665 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,335 |
| New World Crops | 0 | - | 4.38 | 30,983 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,819 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,703 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,303 |
| United States Country Quiz | 0 | - | 4.43 | 102,400 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,119 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,879 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 429,022 |
| Hawaiian Islands | 0 | - | 4.83 | 43,046 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,597 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,694 |
| U.S. State Flags | 0 | - | 4.88 | 173,710 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,202 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,912 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,952 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,577 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,527 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,012 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,242 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,410 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,415 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,628 |
| The Only European Country ... | 0 | - | 4.91 | 219,811 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,947 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,950 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,121 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,274 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,273 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,527 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,331 |
| African East Coast | 0 | - | 4.96 | 96,982 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,879 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,331 |
| Australia Map Quiz | 0 | - | 4.95 | 346,653 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,183 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,654 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,660 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,584 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,785 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,833 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,509 |
| 75 Americans Named John | 0 | - | 4.41 | 23,997 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,222 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 384,027 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,138 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,996 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,183 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,577 |
| New York True or False? | 0 | - | 4.53 | 34,007 |
| The Most Recent... United States | 0 | - | 4.46 | 18,607 |
| New England States | 0 | - | 4.51 | 59,916 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,133 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,142 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,264 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,357 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,202 |
| U.S. States by Borders | 0 | - | 4.61 | 35,523 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,594 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,443 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,734 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,420 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,494 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 100,005 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,284 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,860 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,552 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,547 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,916 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,495 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,369 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,632 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,199 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,360 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,840 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,736 |
| Celtic Nations | 0 | - | 4.61 | 47,131 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,043 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,337 |
| Countries of Africa | 0 | - | 5.00 | 2,566,771 |
| Australian States and Territories | 0 | - | 4.96 | 143,149 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,566 |
| Australia True or False | 0 | - | 4.87 | 57,255 |
| Flags of North and South America | 0 | - | 4.99 | 378,572 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,948 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,189 |
| Peru True or False? | 0 | - | 4.58 | 15,339 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,814 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,122 |
| Top U.S. Universities | 0 | - | 4.15 | 146,066 |
| Largest United States Airlines | 0 | - | 4.39 | 55,192 |
| U.S. States by Governor | 0 | - | 4.43 | 18,131 |
| U.S. Bill of Rights | 0 | - | 4.52 | 35,158 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,790 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,818 |
