| U.S. Presidents Quiz | 0 | - | 5.00 | 3,674,278 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,123 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,698 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,765 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,872 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,517 |
| Name a Valid African Country | 0 | - | 4.98 | 153,430 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,742 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,924 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,785 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,490 |
| Vietnam War Countries | 0 | - | 4.83 | 93,899 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,402 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,141 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,087 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,182 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,738 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,485 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,252 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,635 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,823 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,126 |
| 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 | 55,495 |
| Countries that Beat China | 0 | - | 4.86 | 115,195 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,189 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,967 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,272 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,939 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,333 |
| Presidential Middle Names | 0 | - | 4.41 | 59,935 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,989 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,209 |
| 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 | 207,785 |
| Which City in Canada? | 0 | - | 4.82 | 56,859 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,537 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,775 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,028 |
| 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 | 135,634 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,199 |
| First Ladies of the United States | 0 | - | 4.28 | 85,379 |
| 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 | 76,673 |
| 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 | 23,887 |
| Which City in California? | 0 | - | 4.56 | 31,971 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,315 |
| Las Vegas Casinos | 0 | - | 4.12 | 38,016 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,415 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,536 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,257 |
| 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 | 4,746,133 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,818 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,169 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,834 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,852 |
| The Iraq War | 0 | - | 4.47 | 15,598 |
| 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 | 2,110,728 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,401 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,195 |
| Countries that Beat D.R. Congo | 0 | - | 4.74 | 41,623 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,636 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 64,090 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,390 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,581 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,549 |
| 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 | 46,685 |
| 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 | 15,812 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,498 |
| Merged U.S. States | 0 | - | 4.37 | 43,993 |
| 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 | 68,854 |
| Official European Union Languages | 0 | - | 4.97 | 237,671 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,318 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,575 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,057 |
| Countries that Beat France | 0 | - | 4.49 | 75,451 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,765 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,260 |
| Italian Foods | 0 | - | 4.31 | 72,456 |
| 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 | 63,429 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,251 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,790 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,954 |
| Asia Map Quiz | 0 | - | 4.99 | 911,010 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,167 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,609 |
| Countries that Beat Saudi Arabia | 0 | - | 4.73 | 46,222 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,368 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,734 |
| 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 | 276,908 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,243 |
| States of India | 0 | - | 4.94 | 191,745 |
| Countries of Africa | 0 | - | 5.00 | 2,521,594 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,650 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,950 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,205 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,270 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,235 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,904 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,688 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,846 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,471 |
| African East Coast | 0 | - | 4.96 | 95,526 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,763 |
| The Only African Country ... | 0 | - | 4.99 | 128,705 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,931 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,361 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,219 |
| African Island Countries | 0 | - | 4.96 | 101,165 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,634 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,415 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,726 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,196 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,985 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,251 |
| Flags of Oceania | 0 | - | 5.00 | 257,017 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,210 |
| Australian States and Territories | 0 | - | 4.96 | 141,373 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,862 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,144 |
| Australia Map Quiz | 0 | - | 4.94 | 343,285 |
| Australia True or False | 0 | - | 4.87 | 56,676 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,304 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,298 |
| Flags of North and South America | 0 | - | 4.99 | 370,202 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,406 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,526 |
| The Only American Country ... | 0 | - | 4.92 | 121,171 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,730 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,843 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,582 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,215 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,750 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,326 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,394 |
| North America Map Quiz | 0 | - | 4.98 | 246,577 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,302 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,514 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,212 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,832 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,547 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,169 |
| 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 | 63,417 |
| Golden State Warriors Trivia | 0 | - | 4.23 | 24,793 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,470 |
| Boston Red Sox Trivia | 0 | - | 4.09 | 7,521 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,697 |
| Boston Celtics Trivia | 0 | - | 4.12 | 14,867 |
| States that Beat New York | 0 | - | 4.50 | 44,758 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,695 |
| States that Beat Texas | 0 | - | 4.58 | 44,225 |
| 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 | 95,837 |
| 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 | 16,780,487 |
| 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 | 366,140 |
