| U.S. Presidents Quiz | 0 | - | 5.00 | 3,134,044 |
| Countries that Beat Canada | 0 | - | 4.91 | 77,439 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 164,847 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.87 | 50,567 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,206 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,170,897 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,575 |
| Name a Valid Asian Country | 0 | - | 4.98 | 91,616 |
| Name a Valid African Country | 0 | - | 4.98 | 122,848 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 186,564 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 83,372 |
| Countries that Beat Spain | 0 | - | 4.96 | 55,396 |
| Countries that Beat China | 0 | - | 4.82 | 98,977 |
| Countries that Beat Australia | 0 | - | 4.84 | 69,720 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,646 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 455,859 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,224 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 75,737 |
| Countries that Beat Germany | 0 | - | 4.87 | 69,509 |
| Countries that Beat Italy | 0 | - | 4.87 | 44,756 |
| South America Flags Map Quiz | 0 | - | 4.95 | 69,357 |
| Rust Belt Cities Map Quiz | 0 | - | 4.56 | 31,912 |
| U.S. Vice Presidents | 0 | - | 4.42 | 118,048 |
| U.S. Presidential Trivia #1 | 0 | - | 4.51 | 96,120 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.57 | 80,485 |
| U.S. Presidential Trivia #2 | 0 | - | 4.51 | 39,230 |
| Assassinated U.S. Presidents | 0 | - | 4.54 | 79,422 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 33,405 |
| The American Revolution | 0 | - | 4.55 | 51,464 |
| Fictional Characters by U.S. State | 0 | - | 4.10 | 11,548 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 182,763 |
| Which City in Canada? | 0 | - | 4.89 | 44,895 |
| French Geography Quiz #1 | 0 | - | 4.86 | 30,766 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 396,313 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 72,730 |
| Lord of the Rings Characters | 0 | - | 4.54 | 104,975 |
| The Iraq War | 0 | - | 4.43 | 14,263 |
| Vietnam War Countries | 0 | - | 4.80 | 85,476 |
| Random American Countries on a Map | 0 | - | 4.95 | 85,198 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.49 | 31,815 |
| U.S. Senators by State | 0 | - | 4.49 | 35,860 |
| Governors Who Ran For President | 0 | - | 4.46 | 18,832 |
| U.S. Presidents by Event | 0 | - | 4.57 | 28,891 |
| First Ladies of the United States | 0 | - | 4.27 | 79,432 |
| Presidential Middle Names | 0 | - | 4.36 | 55,879 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.41 | 22,422 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 24,755 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.31 | 62,554 |
| U.S. Presidents Who Died in Office | 0 | - | 4.72 | 31,025 |
| Random U.S. Vice President to President | 0 | - | 4.57 | 23,029 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.62 | 13,733 |
| Name a Valid U.S. President #2 | 0 | - | 4.52 | 52,608 |
| Add a Letter - Make a U.S. President | 0 | - | 4.66 | 21,761 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,214,853 |
| Category Elimination - U.S. States #1 | 0 | - | 4.91 | 193,047 |
| U.S. State Birds Quiz | 0 | - | 4.35 | 20,489 |
| Europe Map Quiz | 0 | - | 5.00 | 4,254,744 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 453,940 |
| Kardashian Family Members by Picture | 0 | - | 2.20 | 33,314 |
| Countries that Beat the Netherlands | 0 | - | 4.57 | 33,187 |
| Geography of the Spanish Empire | 0 | - | 4.47 | 34,954 |
| Countries that Beat the United Kingdom | 0 | - | 4.55 | 58,162 |
| British Geography Quiz #1 | 0 | - | 4.52 | 45,504 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,286 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,334,450 |
| Asia Map Quiz | 0 | - | 4.99 | 773,838 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 252,941 |
| Asian Last Names in the United States | 0 | - | 4.41 | 42,976 |
| Countries that Beat Saudi Arabia | 0 | - | 4.71 | 41,345 |
| Countries that Beat Indonesia | 0 | - | 4.66 | 34,373 |
| Chinese Zodiac Quiz | 0 | - | 4.76 | 119,432 |
| Countries that Beat Japan | 0 | - | 4.44 | 60,191 |
| Africa Map Quiz | 0 | - | 5.00 | 1,925,188 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,021 |
| Countries that Beat South Africa | 0 | - | 4.72 | 37,062 |
| Oceania Map Quiz | 0 | - | 4.97 | 562,433 |
| Australian Capitals | 0 | - | 4.90 | 52,948 |
| Most Guessed North American Teams by Sport | 0 | - | 4.30 | 54,707 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,798 |
| United States Map Quiz | 0 | - | 4.98 | 3,880,996 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.51 | 30,317 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 25,463 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 12,801 |
| The John Adams Presidency | 0 | - | 4.10 | 7,917 |
| The Theodore Roosevelt Presidency | 0 | - | 4.30 | 7,094 |
| U.S. Vice Presidential Trivia | 0 | - | 4.29 | 11,233 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 44,896 |
| California A-Z | 0 | - | 4.48 | 27,736 |
| Which City in California? | 0 | - | 4.54 | 29,910 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.33 | 41,130 |
| Which City in Florida? | 0 | - | 4.59 | 10,212 |
| Random Cities Near Chicago on a Map | 0 | - | 4.51 | 30,788 |
| Harvard University | 0 | - | 4.15 | 7,685 |
| New York Yankees Trivia | 0 | - | 4.36 | 5,841 |
| Las Vegas Casinos Quiz | 0 | - | 4.06 | 31,446 |
| Which City in Texas? | 0 | - | 4.42 | 23,320 |
| It's Always Sunny in Philadelphia Quiz | 0 | - | 4.38 | 14,570 |
| American History Quotes #1 | 0 | - | 4.40 | 91,057 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.65 | 1,228,957 |
| Merged U.S. States | 0 | - | 4.38 | 40,012 |
| O Canada Lyrics Quiz | 0 | - | 4.43 | 48,720 |
| Canadian Prime Ministers Quiz | 0 | - | 4.56 | 45,722 |
| Canada Country Quiz | 0 | - | 4.49 | 120,431 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,764 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,817 |
| Official European Union Languages | 0 | - | 4.98 | 198,757 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,872 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 381,932 |
| Save Europeans by Guessing Countries | 0 | - | 4.85 | 163,374 |
| Countries that Beat Russia | 0 | - | 4.64 | 51,136 |
| Countries that Beat France | 0 | - | 4.58 | 65,070 |
| Countries that Beat Greece | 0 | - | 4.51 | 42,770 |
| Italian Foods | 0 | - | 4.25 | 63,458 |
| Game of Thrones Characters by Screen Time | 0 | - | 4.59 | 78,225 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 265,406 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,712 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,478 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,528 |
| Geography of Spain | 0 | - | 4.51 | 20,215 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,762 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,264 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,483 |
| UK Cities Map Quiz | 0 | - | 4.94 | 430,752 |
| Parts of the United Kingdom | 0 | - | 4.88 | 82,957 |
| Counties of England Map Quiz | 0 | - | 4.97 | 285,225 |
| Counties of England | 0 | - | 4.96 | 683,011 |
| Members of the British Royal Family | 0 | - | 4.11 | 108,927 |
| British Geography Quiz #3 | 0 | - | 4.56 | 27,953 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 38,871 |
| British History Quiz for Dummies | 0 | - | 4.54 | 61,126 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 263,693 |
| Champions League Winners | 0 | - | 4.90 | 838,480 |
| Flags of Asia Quiz | 0 | - | 4.99 | 518,725 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,590 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,538 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,829 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,003 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,763 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,194 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,341 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 109,973 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,686 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 109,864 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 59,906 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,652 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,785 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,497 |
| Monarchies of Asia | 0 | - | 4.95 | 53,579 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,608 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 35,612 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,273,324 |
| Countries of the Middle East | 0 | - | 4.96 | 171,369 |
| Provinces of Turkey | 0 | - | 4.95 | 175,365 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,871 |
| Provinces of China | 0 | - | 4.97 | 152,651 |
| Japanese Prefectures | 0 | - | 4.98 | 104,725 |
| States of India | 0 | - | 4.91 | 151,496 |
| Countries that Beat India | 0 | - | 4.38 | 56,323 |
| Countries of Africa | 0 | - | 5.00 | 2,140,909 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 90,985 |
| Flags of Africa Quiz | 0 | - | 4.99 | 380,934 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,900 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,904 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,402 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 103,893 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 129,766 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,476 |
| African East Coast | 0 | - | 4.97 | 83,284 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,154 |
| The Only African Country ... | 0 | - | 4.98 | 104,525 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,185 |
| Western Africa Map Quiz | 0 | - | 4.97 | 59,946 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,294 |
| African Island Countries | 0 | - | 4.96 | 88,521 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,138 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,058 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,477 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,142 |
| Flags of Oceania | 0 | - | 5.00 | 212,578 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,651 |
| Australian States and Territories | 0 | - | 4.96 | 128,190 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,180 |
| Australia Map Quiz | 0 | - | 4.94 | 317,288 |
| Australian True or False | 0 | - | 4.90 | 50,828 |
| Australia... or New Zealand? | 0 | - | 4.83 | 53,748 |
| Countries that Beat New Zealand | 0 | - | 4.67 | 21,938 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,303 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,419 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,290 |
| The Only American Country ... | 0 | - | 4.94 | 108,854 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,999 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 104,903 |
| South America Map Quiz | 0 | - | 5.00 | 1,410,118 |
| Countries that Beat Brazil | 0 | - | 4.41 | 44,970 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 847,314 |
| Countries of North America Quiz | 0 | - | 5.00 | 869,146 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,398 |
| North America Map Quiz | 0 | - | 4.98 | 194,523 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,533 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 46,049 |
