| U.S. Presidents by Picture | 0 | - | 4.87 | 425,054 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,729 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,953 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,735 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,938 |
| Vietnam War Countries | 0 | - | 4.83 | 93,911 |
| California A-Z | 0 | - | 4.49 | 28,746 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,846 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,552 |
| The American Revolution | 0 | - | 4.52 | 54,155 |
| California... or Florida? | 0 | - | 4.60 | 51,177 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,697 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,215 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,593 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,859 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,070 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,179 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,781 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,361 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,887 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,689 |
| U.S. Senators by State | 0 | - | 4.45 | 39,851 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,675,188 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,200 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,691 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,587 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,400 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,484 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,920 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,701 |
| US States Quiz | 0 | - | 5.00 | 16,783,516 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,162 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,951 |
| Pixelated United States Map | 0 | - | 4.89 | 93,839 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,037 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,274 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,842 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,169 |
| Presidential Actors | 0 | - | 4.36 | 19,119 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,133 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,880 |
| U.S. President Scramble | 0 | - | 4.40 | 116,480 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,090 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,784 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,783 |
| State Quiz - California | 0 | - | 4.68 | 64,193 |
| Golden State Warriors Trivia | 0 | - | 4.23 | 24,798 |
| Los Angeles Lakers Trivia | 0 | - | 4.13 | 26,489 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,819 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,389 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,172 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,946 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,946 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,388 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,623 |
| U.S. States By Population | 0 | - | 4.92 | 152,799 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,918 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,182 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,109 |
| US States with an Empty Map | 0 | - | 5.00 | 621,495 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,221 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,966 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,994 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,282 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,559 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,386 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,881 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,337 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,994 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,428 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,212 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,212 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,374 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,541 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,151 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,882 |
| The Iraq War | 0 | - | 4.47 | 15,601 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,044 |
| Rivers of the United States | 0 | - | 4.93 | 65,849 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,804 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,971 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,430 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,268 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,814 |
| States that Beat California | 0 | - | 4.54 | 63,425 |
| Which City in California? | 0 | - | 4.56 | 31,972 |
| Hawaiian Islands | 0 | - | 4.83 | 42,566 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,169 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,762 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,122 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,216 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,227 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,740 |
| U.S. State Flags | 0 | - | 4.89 | 168,929 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,724 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,822 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,566 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,290 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,003 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,234 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,095 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,541 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,701 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,877 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,515 |
| The Persian Gulf War | 0 | - | 4.02 | 8,428 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,260 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,395 |
| Territories of the United States | 0 | - | 4.79 | 52,262 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,519 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,495 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,995 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,130 |
| United States Country Quiz | 0 | - | 4.43 | 101,068 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,954 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,737 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,713 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,433 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,054 |
| The Barack Obama Presidency | 0 | - | 4.16 | 25,322 |
| History of California | 0 | - | 4.40 | 18,720 |
| California by Picture | 0 | - | 4.36 | 16,518 |
| Los Angeles Lakers NBA All-Stars | 0 | - | 3.84 | 9,651 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,493 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,924 |
| Movies Set in Miami | 0 | - | 4.32 | 16,687 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,758 |
| Top 10 Boston Red Sox of All-Time | 0 | - | 4.00 | 11,836 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,700 |
| Boston Celtics Trivia | 0 | - | 4.12 | 14,881 |
| New York City Geography | 0 | - | 4.42 | 33,025 |
| New York City A-Z | 0 | - | 4.18 | 32,240 |
| Cleveland Browns QBs Since 1999 | 0 | - | 4.31 | 7,746 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,539 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,760 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,774 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,672,397 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,710 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,857 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,779 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,799 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,591 |
| Countries of Africa | 0 | - | 5.00 | 2,522,047 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,072 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,950 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,288 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,432 |
| African East Coast | 0 | - | 4.96 | 95,545 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,373 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,708 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,220 |
| Australian Capitals | 0 | - | 4.92 | 62,661 |
| Australia Map Quiz | 0 | - | 4.94 | 343,322 |
| Flags of North and South America | 0 | - | 4.99 | 370,291 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,982 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,470 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,822 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,513 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 64,099 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,370 |
| Top U.S. Universities | 0 | - | 4.15 | 144,542 |
| Largest United States Airlines | 0 | - | 4.39 | 54,928 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,263 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,209 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,680 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,706 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,572 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,480 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,508 |
| Arms Exports - United States | 0 | - | 4.75 | 61,986 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,934 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,896 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,856 |
| U.S. States by Governor | 0 | - | 4.43 | 18,016 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,440 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,624 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,327 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,102 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,609 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 622,607 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,280 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,957 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,346 |
| Presidential Middle Names | 0 | - | 4.41 | 59,947 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,996 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 19,982 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,222 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,287 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,191 |
| The Kennedy Family | 0 | - | 3.90 | 14,048 |
| Movies with America in the Title | 0 | - | 4.17 | 28,740 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,916 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,599 |
| Stephen Curry Quiz | 0 | - | 4.36 | 66,621 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,739 |
| Anchorman Quotes | 0 | - | 3.68 | 9,604 |
| State Quiz - Florida | 0 | - | 4.47 | 62,131 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,759 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 71,834 |
