| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,806 |
| North America Map Quiz | 0 | - | 4.98 | 249,461 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,305 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,802 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,190 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,839 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,534 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,131 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,602 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,449 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,556 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,365 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,669 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,076 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,426 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,581 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,711 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,397 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,639 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,610 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,753 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,616 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,376 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,406 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,029 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,747 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,832 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,383 |
| North American Physical Geography | 0 | - | 4.35 | 30,433 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,296 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,107 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,870 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,831 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,820 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,389 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,936 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,393 |
| US States Quiz | 0 | - | 5.00 | 16,917,724 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,802 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,568 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,594 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,109 |
| Pixelated United States Map | 0 | - | 4.88 | 94,476 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,937 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,993 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,070 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,135 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,711 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,673 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,336 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,647 |
| U.S. States By Population | 0 | - | 4.92 | 153,735 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,711 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,596 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,704 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,500 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,334 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,793 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,285 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,950 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,417 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,665 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,446 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,718 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,573 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,694 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,765 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,708,263 |
| US States with an Empty Map | 0 | - | 5.00 | 625,987 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,233 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,688 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,816 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,859 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,842 |
| Draw All US State Borders | 0 | - | 4.99 | 138,596 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,938 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,605 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,032 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,373 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,506 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,733 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,725 |
| Oceania Map Quiz | 0 | - | 4.98 | 651,294 |
| Australian Capitals | 0 | - | 4.92 | 62,754 |
| Territories of the United States | 0 | - | 4.80 | 52,466 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,741 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,686 |
| Rivers of the United States | 0 | - | 4.93 | 66,332 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,289 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,577 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,249 |
| New York City Geography | 0 | - | 4.42 | 33,126 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,460 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,665 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,302 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,939 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,338 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,998 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,323 |
| Official European Union Languages | 0 | - | 4.97 | 238,921 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,129 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,028 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,723 |
| Asia Map Quiz | 0 | - | 4.99 | 919,638 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,101 |
| African East Coast | 0 | - | 4.96 | 96,281 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,142 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,913 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,282 |
| New World Crops | 0 | - | 4.38 | 30,913 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,595 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,615 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,215 |
| United States Country Quiz | 0 | - | 4.43 | 101,716 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,956 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,348 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,054 |
| Hawaiian Islands | 0 | - | 4.83 | 42,779 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,378 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,544,434 |
| U.S. State Flags | 0 | - | 4.88 | 171,317 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,555 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,318 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,612 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,233 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,796 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,742 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,058 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,916 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,565 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,110 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,676 |
| The Only European Country ... | 0 | - | 4.91 | 217,389 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,579 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,211 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,915 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,058 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,293 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,774 |
| Countries of Africa | 0 | - | 5.00 | 2,544,952 |
| Australia Map Quiz | 0 | - | 4.95 | 345,144 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,598 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,015 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,519 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,034 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,736 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,829 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,249 |
| 75 Americans Named John | 0 | - | 4.41 | 23,929 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,036 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,304 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,596 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,467 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,956 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,395 |
| New York True or False? | 0 | - | 4.53 | 33,859 |
| The Most Recent... United States | 0 | - | 4.46 | 18,497 |
| New England States | 0 | - | 4.51 | 59,834 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,896 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,037 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,915 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,116 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,004 |
| U.S. States by Borders | 0 | - | 4.61 | 35,377 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,768 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,455 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,543 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,144 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,273 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,743 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,104 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,749 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,290 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,423 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,753 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,065 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,018 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,471 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,743 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,075 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,970 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,520 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,035 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,835 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,835 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,098 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,161 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,347 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,795 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,479 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,434 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,835 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,447 |
| African Island Countries | 0 | - | 4.96 | 101,873 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,827 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,414 |
| Australian States and Territories | 0 | - | 4.96 | 142,226 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,365 |
| Australia True or False | 0 | - | 4.87 | 56,953 |
