| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,818 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,342 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,741 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,730,564 |
| Lord of the Rings Characters | 0 | - | 4.54 | 113,723 |
| Game of Thrones Last Names | 0 | - | 4.53 | 103,345 |
| 1990s Movie Silhouettes | 0 | - | 4.98 | 99,824 |
| MCU Actors by Picture | 0 | - | 4.45 | 85,001 |
| 2010s Movie Co-Stars | 0 | - | 3.88 | 35,868 |
| Highest Grossing 1960s Movies | 0 | - | 4.45 | 22,850 |
| Movies by Year, 1950–1969 | 0 | - | 4.48 | 22,135 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,049 |
| 2016 News Stories - Name the Country | 0 | - | 4.45 | 23,489 |
| Game of Thrones Characters by Screen Time | 0 | - | 4.61 | 92,432 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,948 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,765 |
| 1970s Movie Trivia | 0 | - | 4.28 | 21,852 |
| 1960s Movie Trivia | 0 | - | 4.26 | 18,436 |
| 2000s Movie Co-Stars | 0 | - | 4.33 | 40,073 |
| Horror Movie Quotes Quiz | 0 | - | 4.19 | 51,453 |
| Superhero Nicknames | 0 | - | 4.21 | 61,870 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,602 |
| 1960s Catchphrases | 0 | - | 4.14 | 105,146 |
| Lord of the Rings Decoder | 0 | - | 4.61 | 42,823 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 527,053 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 76,643 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,713 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,794 |
| Movies by Year, 1990–2009 | 0 | - | 4.21 | 66,909 |
| Guess These Badly Described Films | 0 | - | 4.85 | 166,102 |
| 2000s Oscar Best Actress Nominees | 0 | - | 4.29 | 13,662 |
| 1990s Movie Co-Stars | 0 | - | 3.97 | 33,732 |
| 1980s Movie Co-Stars | 0 | - | 4.17 | 15,877 |
| Highest Grossing 1970s Movies | 0 | - | 4.30 | 29,599 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,739 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,011 |
| 2019 News Stories - Name the Country | 0 | - | 4.21 | 18,519 |
| NBA All-Star Game Starters 2010s | 0 | - | 4.38 | 16,231 |
| Movies by Year, 1970–1989 | 0 | - | 4.38 | 25,482 |
| 1990s Movie Trivia #1 | 0 | - | 4.38 | 53,178 |
| 1990s Movie Trivia #2 | 0 | - | 4.40 | 42,004 |
| 1980s Movie Trivia #1 | 0 | - | 4.58 | 31,542 |
| 2010s Movie Trivia | 0 | - | 4.33 | 51,264 |
| 2000s Movie Trivia #1 | 0 | - | 4.36 | 73,448 |
| Actors Known by Three Names | 0 | - | 4.15 | 105,011 |
| Highest Grossing 1990s Movies | 0 | - | 4.50 | 109,034 |
| Highest Grossing 1980s Movies | 0 | - | 4.47 | 65,854 |
| Horror Movie Taglines | 0 | - | 4.00 | 40,164 |
| Back to the Future Trivia | 0 | - | 4.59 | 34,718 |
| Pixar Movies Quiz | 0 | - | 4.87 | 438,159 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,273 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,168 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,063 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,438 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,221 |
| Countries by Founding Story | 0 | - | 4.95 | 77,904 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,235 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,653 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,454 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,745 |
| Presidential Middle Names | 0 | - | 4.42 | 60,799 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,737 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,933 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,655 |
| Recently Independent Countries | 0 | - | 4.98 | 160,502 |
| Flags of WW1 | 0 | - | 4.60 | 38,765 |
| Independence from Whom | 0 | - | 4.99 | 213,394 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,653 |
| Historical City to Country | 0 | - | 4.85 | 79,097 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,924 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,331 |
| Countries by Former Name | 0 | - | 4.99 | 125,967 |
| Cities by Former Name | 0 | - | 4.83 | 92,173 |
| 2017 News Stories - Name the Country | 0 | - | 4.46 | 28,639 |
| 2018 News Stories - Name the Country | 0 | - | 4.42 | 23,943 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.28 | 45,173 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.34 | 61,454 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,306 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,796 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 50,269 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,143 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,824 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,720 |
| #1 Hits of the 1960s | 0 | - | 4.59 | 43,062 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,321 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 51,015 |
| #1 Hits of the 1970s | 0 | - | 4.44 | 85,467 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 69,071 |
| #1 Hits of the 2010s | 0 | - | 4.41 | 298,102 |
| Breaking Bad Trivia | 0 | - | 4.45 | 55,522 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,184 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.56 | 34,522 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,801 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,852 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,160 |
| WWII Movies by Plot | 0 | - | 4.22 | 27,183 |
| 2000s Movie Trivia #2 | 0 | - | 4.19 | 28,750 |
| 1980s Movie Trivia #2 | 0 | - | 4.28 | 20,845 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 343,909 |
| Movie Posters by Description | 0 | - | 4.61 | 65,265 |
| Movie Newspaper Headlines | 0 | - | 4.42 | 36,247 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,513 |
| Arnold Schwarzenegger Quotes | 0 | - | 4.10 | 28,559 |
| 1980s Movie Quotes | 0 | - | 4.08 | 42,730 |
| 1990s Movie Quotes | 0 | - | 4.36 | 107,410 |
| Star Wars Quotes | 0 | - | 4.86 | 186,506 |
| Top Box Office Stars of the 1990s | 0 | - | 4.30 | 31,788 |
| 1980s Movie Taglines | 0 | - | 4.22 | 42,843 |
| 1990s Movie Taglines | 0 | - | 4.21 | 46,131 |
| Recent Movie Taglines Quiz | 0 | - | 4.30 | 54,305 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 197,132 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,398 |
| Brat Pack Actors | 0 | - | 4.32 | 7,170 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,427 |
| 1980s Movies by Plot | 0 | - | 4.25 | 29,112 |
| 1990s Movies by Plot | 0 | - | 4.13 | 27,872 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,299 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,961 |
| U.S. Presidents Who Added the Most Territory | 0 | - | 4.67 | 14,260 |
| Former Flags | 0 | - | 4.97 | 108,807 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,688 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,017 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,593 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,507 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,900 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,660 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,142 |
| U.S. Vice Presidents | 0 | - | 4.39 | 137,156 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,380 |
| U.S. Presidential Running Mates | 0 | - | 4.41 | 28,797 |
| First Ladies of the United States | 0 | - | 4.28 | 86,022 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,332 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,526 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,245 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,385 |
| Add a Letter - Make a U.S. President | 0 | - | 4.58 | 24,118 |
| Win the 1828 U.S. Presidential Election | 0 | - | 4.32 | 59,566 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,075 |
| Countries of the Popes | 0 | - | 4.79 | 128,874 |
| Arthurian Legend | 0 | - | 4.33 | 25,192 |
| WWII Geography | 0 | - | 4.81 | 121,496 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,724 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,950 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 57,332 |
| The American Revolution | 0 | - | 4.52 | 54,383 |
| American Revolution Decoder | 0 | - | 4.12 | 21,004 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 104,118 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,808 |
| Name that Greek Letter | 0 | - | 4.93 | 325,221 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,933 |
| 2020 News Stories - Name the Country | 0 | - | 4.35 | 30,462 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 4.09 | 18,717 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.34 | 25,512 |
| MLB Baseball by Year, 1990–present | 0 | - | 4.02 | 15,075 |
| Battle to Country | 0 | - | 4.91 | 54,100 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,739 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,854 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,974 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,286 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,498 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,785 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,997 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,534 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,978 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,981 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,999 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,331 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,712 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,283 |
| All Modern-Day Countries Ever Controlled by Greeks | 0 | - | 4.98 | 54,753 |
| All Modern-Day Countries Ever Controlled by the Netherlands | 0 | - | 4.95 | 53,913 |
| All Modern-Day Countries Ever Controlled by Portugal | 0 | - | 4.93 | 44,634 |
| All Modern-Day Countries Ever Controlled by the Russian Empire | 0 | - | 4.96 | 37,987 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,718 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,315 |
| Countries of the World in 1882 with a Map | 0 | - | 4.89 | 45,230 |
| Countries of the World in 1789 with a Map | 0 | - | 4.95 | 67,562 |
| Trace the Route of Marco Polo on a Map | 0 | - | 5.00 | 42,633 |
| Name the English Monarchs | 0 | - | 4.91 | 507,279 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,167 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,977 |
| 1960s American TV Trivia | 0 | - | 4.05 | 11,689 |
| Fads of the 1970s | 0 | - | 4.19 | 28,452 |
| 1970s American TV Trivia | 0 | - | 4.12 | 12,501 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,084 |
| Friends A-Z | 0 | - | 4.47 | 40,695 |
| Shakespearean Characters | 0 | - | 4.38 | 37,766 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,154 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 102,030 |
| Random European Capital to Country | 0 | - | 4.98 | 192,340 |
| Random European Country to Capital | 0 | - | 4.93 | 166,072 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,086 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,562 |
| Random African Capital to Country | 0 | - | 4.97 | 101,470 |
| Random African Country to Capital | 0 | - | 4.94 | 71,880 |
| Guess the Countries Being Drawn | 0 | - | 5.00 | 246,580 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,413,114 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,561,481 |
| 20 Random Countries Sequentially on a World Map | 0 | - | 4.77 | 125,415 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,255 |
