| U.S. Presidents Quiz | 0 | - | 5.00 | 3,674,158 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,121 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,696 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,765 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,866 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,514 |
| Name a Valid African Country | 0 | - | 4.98 | 153,429 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,728 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,918 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,784 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,489 |
| Vietnam War Countries | 0 | - | 4.83 | 93,894 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,400 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,139 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,075 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,182 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,736 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,481 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,250 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,635 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,819 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,125 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,952 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,661 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,494 |
| Countries that Beat China | 0 | - | 4.86 | 115,192 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,187 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,967 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,271 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,939 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,332 |
| Presidential Middle Names | 0 | - | 4.41 | 59,935 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,985 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,208 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,858 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,284 |
| The American Revolution | 0 | - | 4.52 | 54,149 |
| Fictional Characters by U.S. State | 0 | - | 4.17 | 12,090 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,784 |
| Which City in Canada? | 0 | - | 4.82 | 56,859 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,535 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,773 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,025 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,969 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,112 |
| U.S. Senators by State | 0 | - | 4.45 | 39,848 |
| U.S. Vice Presidents | 0 | - | 4.39 | 135,633 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,198 |
| First Ladies of the United States | 0 | - | 4.28 | 85,378 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,875 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,161 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,672 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,086 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,682 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,886 |
| Which City in California? | 0 | - | 4.56 | 31,970 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,314 |
| Las Vegas Casinos | 0 | - | 4.12 | 38,016 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,388 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,533 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,255 |
| U.S. State Birds | 0 | - | 4.31 | 21,371 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,734 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,045 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,812 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,158 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,831 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,852 |
| The Iraq War | 0 | - | 4.47 | 15,596 |
| Kardashian Family Members by Picture | 0 | - | 2.22 | 34,392 |
| Countries that Beat India | 0 | - | 4.41 | 62,747 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,681 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,399 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,195 |
| Countries that Beat D.R. Congo | 0 | - | 4.74 | 41,621 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,615 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 64,089 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,389 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,531 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,548 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,690 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,569 |
| The John Adams Presidency | 0 | - | 4.12 | 8,706 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,712 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,811 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,779 |
| California A-Z | 0 | - | 4.49 | 28,746 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,684 |
| Which City in Florida? | 0 | - | 4.61 | 10,955 |
| Harvard University | 0 | - | 4.15 | 8,280 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,159 |
| Which City in Texas? | 0 | - | 4.45 | 25,033 |
| It's Always Sunny in Philadelphia Quiz | 0 | - | 4.34 | 15,811 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,475 |
| Merged U.S. States | 0 | - | 4.37 | 43,990 |
| O Canada Lyrics | 0 | - | 4.47 | 50,881 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,283 |
| Canada Country Quiz | 0 | - | 4.54 | 132,097 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,880 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,853 |
| Official European Union Languages | 0 | - | 4.97 | 237,669 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,315 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,567 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,045 |
| Countries that Beat France | 0 | - | 4.49 | 75,450 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,762 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,260 |
| Italian Foods | 0 | - | 4.31 | 72,455 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,244 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,083 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,427 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,250 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,790 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,943 |
| Asia Map Quiz | 0 | - | 4.99 | 910,985 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,162 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,609 |
| Countries that Beat Saudi Arabia | 0 | - | 4.73 | 46,221 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,366 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,733 |
| Game of Thrones Characters by Screen Time | 0 | - | 4.61 | 91,220 |
| Batman Characters by Screen Time | 0 | - | 4.07 | 30,289 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,904 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,242 |
| States of India | 0 | - | 4.94 | 191,739 |
| Countries of Africa | 0 | - | 5.00 | 2,521,530 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,649 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,933 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,205 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,266 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,229 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,899 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,686 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,844 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,468 |
| African East Coast | 0 | - | 4.96 | 95,524 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,760 |
| The Only African Country ... | 0 | - | 4.99 | 128,705 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,930 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,359 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,218 |
| African Island Countries | 0 | - | 4.96 | 101,164 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,631 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,414 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,724 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,195 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,983 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,251 |
| Flags of Oceania | 0 | - | 5.00 | 257,006 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,206 |
| Australian States and Territories | 0 | - | 4.96 | 141,370 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,862 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,143 |
| Australia Map Quiz | 0 | - | 4.94 | 343,282 |
| Australia True or False | 0 | - | 4.87 | 56,675 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,301 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,296 |
| Flags of North and South America | 0 | - | 4.99 | 370,179 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,403 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,525 |
| The Only American Country ... | 0 | - | 4.92 | 121,170 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,730 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,838 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,571 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,214 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,749 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,309 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,392 |
| North America Map Quiz | 0 | - | 4.98 | 246,558 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,300 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,512 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,210 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,830 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,547 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,168 |
| The George Washington Presidency | 0 | - | 4.03 | 14,505 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,903 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,266 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,638 |
| Free in the Answers | 0 | - | 4.11 | 51,359 |
| States that Beat California | 0 | - | 4.54 | 63,416 |
| Golden State Warriors Trivia | 0 | - | 4.23 | 24,791 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,470 |
| Boston Red Sox Trivia | 0 | - | 4.09 | 7,520 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,697 |
| Boston Celtics Trivia | 0 | - | 4.12 | 14,866 |
| States that Beat New York | 0 | - | 4.50 | 44,758 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,694 |
| States that Beat Texas | 0 | - | 4.58 | 44,224 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,979 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,054 |
| American History Quotes #1 | 0 | - | 4.37 | 95,835 |
| American History Quotes #2 | 0 | - | 4.38 | 41,305 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,146 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,226 |
| US States Quiz | 0 | - | 5.00 | 16,780,090 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,826 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,861 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,137 |
