| U.S. Presidents Quiz | 0 | - | 5.00 | 3,670,292 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,076 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,517 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,724 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,469 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,665 |
| Name a Valid African Country | 0 | - | 4.98 | 153,317 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,263 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,754 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,704 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,386 |
| Vietnam War Countries | 0 | - | 4.83 | 93,846 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,337 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,043 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,668 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,155 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,643 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,377 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,187 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,612 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,752 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,087 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,906 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,622 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,439 |
| Countries that Beat China | 0 | - | 4.86 | 115,096 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,076 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,951 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,206 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,841 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,276 |
| Presidential Middle Names | 0 | - | 4.41 | 59,882 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,927 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,121 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,833 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,253 |
| The American Revolution | 0 | - | 4.52 | 54,128 |
| Fictional Characters by U.S. State | 0 | - | 4.17 | 12,085 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,423 |
| Which City in Canada? | 0 | - | 4.82 | 56,828 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,492 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,735 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,949 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,953 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,101 |
| U.S. Senators by State | 0 | - | 4.45 | 39,829 |
| U.S. Vice Presidents | 0 | - | 4.39 | 135,531 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,191 |
| First Ladies of the United States | 0 | - | 4.28 | 85,350 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,856 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,151 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,617 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,067 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,622 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,874 |
| Which City in California? | 0 | - | 4.56 | 31,951 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,289 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,995 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,525,115 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,344 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,119 |
| U.S. State Birds | 0 | - | 4.31 | 21,362 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,725 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,608 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,389 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,834 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,767 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,817 |
| The Iraq War | 0 | - | 4.47 | 15,587 |
| Kardashian Family Members by Picture | 0 | - | 2.22 | 34,381 |
| Countries that Beat India | 0 | - | 4.41 | 62,711 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,452 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,218 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,165 |
| Countries that Beat D.R. Congo | 0 | - | 4.74 | 41,595 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,841 |
| Australian Capitals | 0 | - | 4.92 | 62,644 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 64,037 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,371 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,025 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,535 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,681 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,554 |
| The John Adams Presidency | 0 | - | 4.12 | 8,701 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,708 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,801 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,760 |
| California A-Z | 0 | - | 4.49 | 28,737 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,655 |
| Which City in Florida? | 0 | - | 4.61 | 10,952 |
| Harvard University | 0 | - | 4.15 | 8,278 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,152 |
| Which City in Texas? | 0 | - | 4.45 | 25,021 |
| It's Always Sunny in Philadelphia Quiz | 0 | - | 4.34 | 15,801 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,384,525 |
| Merged U.S. States | 0 | - | 4.37 | 43,968 |
| O Canada Lyrics | 0 | - | 4.47 | 50,861 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,241 |
| Canada Country Quiz | 0 | - | 4.55 | 132,011 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,818 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,802 |
| Official European Union Languages | 0 | - | 4.97 | 237,510 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,228 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,250 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,704 |
| Countries that Beat France | 0 | - | 4.49 | 75,390 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,725 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,252 |
| Italian Foods | 0 | - | 4.31 | 72,412 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,227 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,069 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,396 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,231 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,766 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,403 |
| Asia Map Quiz | 0 | - | 4.99 | 910,039 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,019 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,585 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,194 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,324 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,682 |
| Game of Thrones Characters by Screen Time | 0 | - | 4.61 | 91,119 |
| Batman Characters by Screen Time | 0 | - | 4.07 | 30,265 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,813 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,214 |
| States of India | 0 | - | 4.94 | 191,397 |
| Countries of Africa | 0 | - | 5.00 | 2,518,041 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,588 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,047 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,163 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,170 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,087 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,829 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,601 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,766 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,411 |
| African East Coast | 0 | - | 4.96 | 95,426 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,616 |
| The Only African Country ... | 0 | - | 4.98 | 128,644 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,890 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,285 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,085 |
| African Island Countries | 0 | - | 4.96 | 101,076 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,286 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,341 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,652 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,172 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,926 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,228 |
| Flags of Oceania | 0 | - | 5.00 | 256,587 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,114 |
| Australian States and Territories | 0 | - | 4.96 | 141,258 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,732 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,109 |
| Australia Map Quiz | 0 | - | 4.94 | 343,093 |
| Australia True or False | 0 | - | 4.87 | 56,636 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,245 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,266 |
| Flags of North and South America | 0 | - | 4.99 | 369,571 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,350 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,454 |
| The Only American Country ... | 0 | - | 4.92 | 121,100 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,665 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,722 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,786 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,147 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,577 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,136 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,302 |
| North America Map Quiz | 0 | - | 4.98 | 246,118 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,198 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,347 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,154 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,720 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,506 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,110 |
| The George Washington Presidency | 0 | - | 4.03 | 14,498 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,897 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,258 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,634 |
| Free in the Answers | 0 | - | 4.11 | 51,339 |
| States that Beat California | 0 | - | 4.54 | 63,388 |
| Golden State Warriors Trivia | 0 | - | 4.23 | 24,775 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,368 |
| Boston Red Sox Trivia | 0 | - | 4.09 | 7,517 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,677 |
| Boston Celtics Trivia | 0 | - | 4.12 | 14,836 |
| States that Beat New York | 0 | - | 4.51 | 44,711 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,650 |
| States that Beat Texas | 0 | - | 4.58 | 44,198 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,966 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,031 |
| American History Quotes #1 | 0 | - | 4.37 | 95,773 |
| American History Quotes #2 | 0 | - | 4.38 | 41,262 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,130 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,214 |
| US States Quiz | 0 | - | 5.00 | 16,763,145 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 38,780 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,841 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,977 |
