| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,845 |
| North America Map Quiz | 0 | - | 4.98 | 249,937 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,382 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,762 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,942 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,265 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,224 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,496 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,541 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,201 |
| Iceland True or False? | 0 | - | 4.93 | 37,305 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,635 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,849 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,367 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,461 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,390 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,690 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,095 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,408 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,626 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,792 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,529 |
| Peru True or False? | 0 | - | 4.58 | 15,283 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,663 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,779 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,680 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,376 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,699 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,570 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,097 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 57,038 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,398 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,385 |
| US States Quiz | 0 | - | 5.00 | 16,938,547 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,003 |
| Sweden True or False? | 0 | - | 4.53 | 40,429 |
| North American Physical Geography | 0 | - | 4.35 | 30,440 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,208 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,995 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,062 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,280 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,792 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,987 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,493 |
| Ireland True or False? | 0 | - | 4.57 | 49,707 |
| England or Wales? | 0 | - | 4.94 | 45,843 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,318 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,745 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,790 |
| Pixelated United States Map | 0 | - | 4.88 | 94,542 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,080 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,100 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,713,247 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,385 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,610 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,827 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,829 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,463 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,804 |
| U.S. States By Population | 0 | - | 4.92 | 153,832 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,839 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,659 |
| US States with an Empty Map | 0 | - | 5.00 | 626,656 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,844 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,605 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,378 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,866 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,375 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,996 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,473 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,710 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,492 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,802 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,104 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,281 |
| Rivers of the United States | 0 | - | 4.93 | 66,425 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,829 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,012 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,755 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,360 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,402 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,957 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,705 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,762 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 67,377 |
| Draw All US State Borders | 0 | - | 4.99 | 139,198 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,433 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,083 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,459 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,030 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,665 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,063 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,886 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,555 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,678 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,147 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,802 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,836 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,972 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,805 |
| Territories of the United States | 0 | - | 4.80 | 52,500 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,775 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,815 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,339 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,437 |
| U.S. Cities that Americans Leave | 0 | - | 4.44 | 33,997 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,487 |
| Hawaiian Islands | 0 | - | 4.83 | 42,811 |
| New York City Geography | 0 | - | 4.42 | 33,143 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,418 |
| U.S. State Flags | 0 | - | 4.89 | 171,697 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,852 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,294 |
| Europe Map Quiz | 0 | - | 5.00 | 4,775,572 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,454 |
| Australian Capitals | 0 | - | 4.92 | 62,780 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,633 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,630 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,232 |
| United States Country Quiz | 0 | - | 4.43 | 101,851 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,992 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,729 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,968 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,627 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,547,681 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,682 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,819 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,984 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,441 |
| Official European Union Languages | 0 | - | 4.97 | 239,169 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,273 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,659 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,339 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,041 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,464 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,399 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,293 |
| Asia Map Quiz | 0 | - | 4.99 | 921,311 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,100 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,895 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,646 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,063 |
| Australia Map Quiz | 0 | - | 4.95 | 345,478 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,292 |
| New World Crops | 0 | - | 4.38 | 30,926 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,761 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,210 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,550 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,511 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,741 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,015 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,284 |
| 75 Americans Named John | 0 | - | 4.41 | 23,940 |
| U.S. Cities that Americans Move To | 0 | - | 4.45 | 29,435 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,066 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,035 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,995 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,446 |
| New York True or False? | 0 | - | 4.53 | 33,880 |
| The Most Recent... United States | 0 | - | 4.46 | 18,520 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,461 |
| New England States | 0 | - | 4.51 | 59,856 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,395,387 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,940 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,059 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,969 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,116 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,687,359 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,159 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,040 |
| U.S. States by Borders | 0 | - | 4.62 | 35,402 |
| Random U.S. States on a Map | 0 | - | 4.96 | 628,505 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 187,057 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,596 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,196 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,294 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,786 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,130 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,773 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,329 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,447 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,777 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,146 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,090 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,506 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,819 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,128 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,994 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,586 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,104 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,792 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,101 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,939 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,391 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,167 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,315 |
| The Only European Country ... | 0 | - | 4.91 | 217,858 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,888 |
| Austria... or Australia? | 0 | - | 4.68 | 104,584 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,949 |
