| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,749 |
| North America Map Quiz | 0 | - | 4.98 | 248,636 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,186 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,160 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,133 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,696 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,504 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,020 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,545 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,443 |
| United States Map Quiz | 0 | - | 4.98 | 4,159,060 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,322 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,639 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,029 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,337 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,543 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,626 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,253 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,591 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,499 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,504 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,493 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,363 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,106 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,955 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,717 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,805 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,348 |
| North American Physical Geography | 0 | - | 4.35 | 30,422 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,266 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,971 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,683 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,554 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,169 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,360 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,889 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,254 |
| US States Quiz | 0 | - | 5.00 | 16,881,798 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,139 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,688 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,271 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,250 |
| Pixelated United States Map | 0 | - | 4.87 | 94,292 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,719 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,799 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,827 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,912 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,464 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,477 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,054 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,339 |
| U.S. States By Population | 0 | - | 4.92 | 153,575 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,484 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,456 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,559 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,340 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,228 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,647 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,041 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,769 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,236 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,545 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,274 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,567 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,678 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,233 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,736 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,700,084 |
| US States with an Empty Map | 0 | - | 5.00 | 624,821 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,183 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,471 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,511 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,754 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,639 |
| Draw All US State Borders | 0 | - | 4.99 | 137,738 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,792 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,501 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,226 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,094 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,256 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,570 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,442 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,601 |
| Australian Capitals | 0 | - | 4.92 | 62,729 |
| Territories of the United States | 0 | - | 4.80 | 52,411 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,684 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,497 |
| Rivers of the United States | 0 | - | 4.93 | 66,220 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,201 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,389 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,130 |
| New York City Geography | 0 | - | 4.42 | 33,105 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,022 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,503 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,677 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,693 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,115 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,919 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,164 |
| Official European Union Languages | 0 | - | 4.97 | 238,573 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,902 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,317 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,461 |
| Asia Map Quiz | 0 | - | 4.99 | 917,208 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,871 |
| African East Coast | 0 | - | 4.96 | 96,101 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,922 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,741 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,270 |
| New World Crops | 0 | - | 4.38 | 30,890 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,534 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,589 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,184 |
| United States Country Quiz | 0 | - | 4.43 | 101,552 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,893 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,198 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,597 |
| Hawaiian Islands | 0 | - | 4.83 | 42,727 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,328 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,540,132 |
| U.S. State Flags | 0 | - | 4.88 | 170,591 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,021 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,871 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,267 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,142 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,351 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,664 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,981 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,822 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,121 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,326 |
| The Only European Country ... | 0 | - | 4.91 | 216,760 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,206 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,970 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,851 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,991 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,021 |
| Countries of Africa | 0 | - | 5.00 | 2,538,236 |
| Australia Map Quiz | 0 | - | 4.95 | 344,698 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,434 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,879 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,466 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,299 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,722 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,537 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,162 |
| 75 Americans Named John | 0 | - | 4.41 | 23,908 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,990 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,909 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,889 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,320 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,898 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,355 |
| New York True or False? | 0 | - | 4.53 | 33,833 |
| The Most Recent... United States | 0 | - | 4.45 | 18,455 |
| New England States | 0 | - | 4.51 | 59,812 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,825 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,015 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,831 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,019 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,939 |
| U.S. States by Borders | 0 | - | 4.61 | 35,328 |
| Random U.S. States on a Map | 0 | - | 4.96 | 626,674 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,912 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,488 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,050 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,232 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,680 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,050 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,690 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,214 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,394 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,696 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,929 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,877 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,429 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,599 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,992 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,923 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,414 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,563 |
| Celtic Nations | 0 | - | 4.69 | 46,954 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,779 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,220 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,992 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,618 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,050 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,618 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,286 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,297 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,573 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,120 |
| African Island Countries | 0 | - | 4.96 | 101,666 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,474 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,307 |
| Australian States and Territories | 0 | - | 4.96 | 142,033 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,298 |
| Australia True or False | 0 | - | 4.87 | 56,875 |
| Flags of North and South America | 0 | - | 4.99 | 373,279 |
