| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,418 |
| North America Map Quiz | 0 | - | 4.98 | 244,951 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,710 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,600 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,966 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,115 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,868 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 48,955 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,404 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,512 |
| Iceland True or False? | 0 | - | 4.93 | 37,004 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,280 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,676 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,725 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,410 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,117 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,536 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,824 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,238 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,392 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,205 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,261 |
| Peru True or False? | 0 | - | 4.58 | 15,195 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,126 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,024 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,470 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,955 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,155 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,556 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,156 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,383 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,303 |
| US States Quiz | 0 | - | 5.00 | 16,723,039 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,478 |
| Sweden True or False? | 0 | - | 4.56 | 40,109 |
| North American Physical Geography | 0 | - | 4.35 | 30,363 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,255 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,760 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,341 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,274 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,594 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,564 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,709 |
| Ireland True or False? | 0 | - | 4.57 | 49,398 |
| England or Wales? | 0 | - | 4.94 | 45,379 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,049 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,611 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,602 |
| Pixelated United States Map | 0 | - | 4.89 | 93,587 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,623 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,954 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,660,168 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,408 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,868 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,488 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,533 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,823 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,078 |
| U.S. States By Population | 0 | - | 4.92 | 152,478 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,528 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,947 |
| US States with an Empty Map | 0 | - | 5.00 | 619,546 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,953 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,650 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,804 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,967 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,995 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,139 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,565 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,110 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,717 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,898 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,687 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,709 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,843 |
| Rivers of the United States | 0 | - | 4.93 | 65,601 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,542 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,718 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,427 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,518 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,479 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,710 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,975 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,682 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 65,029 |
| Draw All US State Borders | 0 | - | 4.99 | 134,060 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,990 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,799 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,194 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,168 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,998 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,600 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 77,629 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,884 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,091 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,952 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,592 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,921 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,294 |
| Territories of the United States | 0 | - | 4.79 | 52,179 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,416 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,674 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,807 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,511 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,119 |
| Hawaiian Islands | 0 | - | 4.83 | 42,470 |
| New York City Geography | 0 | - | 4.42 | 32,962 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,113 |
| U.S. State Flags | 0 | - | 4.89 | 167,695 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,772 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,722 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,176 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,942 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,230 |
| Australian Capitals | 0 | - | 4.92 | 62,604 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,313 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,488 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,093 |
| United States Country Quiz | 0 | - | 4.43 | 100,725 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,645 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,810 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,105 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,752 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,521,143 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,769 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,699 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,669 |
| Official European Union Languages | 0 | - | 4.97 | 237,131 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,005 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,592 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,147 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,802 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,088 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,219 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,922 |
| Asia Map Quiz | 0 | - | 4.99 | 908,035 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,686 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,562 |
| Countries of Africa | 0 | - | 5.00 | 2,511,447 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,919 |
| African East Coast | 0 | - | 4.96 | 95,170 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,044 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,931 |
| Australia Map Quiz | 0 | - | 4.94 | 342,714 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,204 |
| New World Crops | 0 | - | 4.33 | 23,511 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,815 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,321 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,126 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,670 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,646 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,029 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,778 |
| 75 Americans Named John | 0 | - | 4.41 | 23,832 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,771 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,682 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,630 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,210 |
| New York True or False? | 0 | - | 4.53 | 33,704 |
| The Most Recent... United States | 0 | - | 4.45 | 18,313 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,743 |
| New England States | 0 | - | 4.51 | 59,715 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,382,265 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,529 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,897 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,380 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,648 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,666,581 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,691 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,690 |
| U.S. States by Borders | 0 | - | 4.63 | 35,107 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,190 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,974 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,267 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,177 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,017 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,355 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,823 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,439 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,920 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,228 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,448 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,352 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,421 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,176 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,949 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,632 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,977 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,390 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,323 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,501 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,269 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,593 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,583 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,763 |
| The Only European Country ... | 0 | - | 4.91 | 214,173 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,780 |
| Austria... or Australia? | 0 | - | 4.68 | 103,936 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,597 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,547 |
