| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| North America Map Quiz | 0 | - | 4.98 | 249,524 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,316 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,859 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,193 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,861 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,534 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,138 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,605 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,450 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,763 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,370 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,672 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,078 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,435 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,586 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,722 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,413 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,641 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,621 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,764 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,622 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,378 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,420 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,035 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,748 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,836 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,384 |
| North American Physical Geography | 0 | - | 4.35 | 30,433 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,299 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,121 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,889 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,865 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,885 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,391 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,942 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,407 |
| US States Quiz | 0 | - | 5.00 | 16,920,179 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,833 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,625 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,195 |
| Pixelated United States Map | 0 | - | 4.88 | 94,484 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,957 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,001 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,125 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,139 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,726 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,680 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,352 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,668 |
| U.S. States By Population | 0 | - | 4.92 | 153,750 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,726 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,603 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,711 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,510 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,337 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,800 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,297 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,956 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,428 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,671 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,455 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,728 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,630 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,710 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,607 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,768 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,708,921 |
| US States with an Empty Map | 0 | - | 5.00 | 626,078 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,239 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,707 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,839 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,916 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,853 |
| Draw All US State Borders | 0 | - | 4.99 | 138,668 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,949 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,612 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,670 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,396 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,531 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,746 |
| Oceania Map Quiz | 0 | - | 4.98 | 653,486 |
| Australian Capitals | 0 | - | 4.92 | 62,756 |
| Territories of the United States | 0 | - | 4.80 | 52,472 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,743 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,696 |
| Rivers of the United States | 0 | - | 4.93 | 66,348 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,294 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,594 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,252 |
| New York City Geography | 0 | - | 4.42 | 33,128 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,495 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,675 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,331 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,966 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,353 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,012 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,338 |
| Official European Union Languages | 0 | - | 4.97 | 238,943 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,145 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,101 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,774 |
| Asia Map Quiz | 0 | - | 4.99 | 919,836 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,981 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,955 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,283 |
| New World Crops | 0 | - | 4.38 | 30,917 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,600 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,617 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,216 |
| United States Country Quiz | 0 | - | 4.43 | 101,736 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,967 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,352 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,101 |
| Hawaiian Islands | 0 | - | 4.83 | 42,780 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,385 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,066 |
| U.S. State Flags | 0 | - | 4.88 | 171,361 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,597 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,363 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,635 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,238 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,832 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,744 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,063 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,922 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,607 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,116 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,712 |
| The Only European Country ... | 0 | - | 4.91 | 217,428 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,598 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,224 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,916 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,066 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,316 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,790 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,119 |
| African East Coast | 0 | - | 4.96 | 96,297 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,164 |
| Australia Map Quiz | 0 | - | 4.95 | 345,207 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,658 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,084 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,524 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,087 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,737 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,849 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,255 |
| 75 Americans Named John | 0 | - | 4.41 | 23,929 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,039 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,345 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,633 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,485 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,960 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,398 |
| New York True or False? | 0 | - | 4.53 | 33,860 |
| The Most Recent... United States | 0 | - | 4.46 | 18,501 |
| New England States | 0 | - | 4.51 | 59,837 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,900 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,038 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,924 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,122 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,009 |
| U.S. States by Borders | 0 | - | 4.61 | 35,380 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,854 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,490 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,548 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,146 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,275 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,749 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,106 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,752 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,295 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,425 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,755 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,073 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,029 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,474 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,751 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,085 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,976 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,530 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,072 |
| Celtic Nations | 0 | - | 4.69 | 46,997 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,841 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,933 |
| Countries of Africa | 0 | - | 5.00 | 2,545,401 |
| Australian States and Territories | 0 | - | 4.96 | 142,252 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,367 |
| Australia True or False | 0 | - | 4.87 | 56,957 |
| Flags of North and South America | 0 | - | 4.99 | 374,414 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,128 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,887 |
| Peru True or False? | 0 | - | 4.58 | 15,273 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,734 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,983 |
| Top U.S. Universities | 0 | - | 4.15 | 145,384 |
| Largest United States Airlines | 0 | - | 4.39 | 55,076 |
| U.S. States by Governor | 0 | - | 4.43 | 18,079 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,557 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,717 |
