| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,422 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,313 |
| Random Brand Logos | 0 | - | 4.45 | 399,150 |
| Brand Logos Quiz #2 | 0 | - | 4.69 | 1,678,049 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,005,124 |
| Clothing Brand Logos | 0 | - | 4.24 | 221,781 |
| Brand Logos Quiz #5 | 0 | - | 4.38 | 1,057,225 |
| Brand Logos Quiz #6 | 0 | - | 4.32 | 778,228 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,217,547 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 526,764 |
| Brand Logos Quiz #7 | 0 | - | 4.36 | 604,959 |
| Marketing Slogans for Animals | 0 | - | 4.48 | 29,106 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,176 |
| Brand-Name Animals | 0 | - | 4.16 | 74,247 |
| Soft Drink Brand Logos | 0 | - | 4.24 | 173,741 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,071 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,533 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,188 |
| MCU Actors by Picture | 0 | - | 4.44 | 82,977 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,194 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,223 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,706 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,844 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,251 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,637 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,556 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,049 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,317 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,347 |
| Empires by Maps | 0 | - | 4.98 | 118,216 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 67,356 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,156 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,043 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,324 |
| Name the Constellations | 0 | - | 4.58 | 44,628 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 204,519 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 64,451 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,402 |
| Metals of Antiquity | 0 | - | 4.94 | 92,822 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,099 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,082 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,645 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,038 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,615 |
| American TV Commercials by Description | 0 | - | 4.00 | 29,582 |
| American Corporate Slogans #1 | 0 | - | 4.06 | 65,164 |
| American Corporate Slogans #2 | 0 | - | 4.06 | 59,596 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,797 |
| Countries as U.S. First Names | 0 | - | 4.31 | 77,301 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,304 |
| Drinks by Country | 0 | - | 4.30 | 59,157 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 64,424 |
| Beers by Country | 0 | - | 4.45 | 95,586 |
| Influential Women in History | 0 | - | 4.42 | 34,901 |
| Cradles of Civilization | 0 | - | 4.46 | 38,965 |
| Former Flags | 0 | - | 4.97 | 106,546 |
| Materials From History #1 | 0 | - | 4.56 | 50,522 |
| Historical Countries by Ruler | 0 | - | 4.48 | 47,991 |
| Flags of WW1 | 0 | - | 4.60 | 37,888 |
| Cold War Decoder | 0 | - | 4.83 | 51,884 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,285 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,075 |
| Famous Explorers | 0 | - | 4.58 | 35,915 |
| Famous Empires by Description | 0 | - | 4.70 | 117,471 |
| Answers by Time Period | 0 | - | 4.63 | 55,231 |
| Military History Vocabulary | 0 | - | 4.91 | 66,599 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,426 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,287 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,043 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,547 |
| World Currency Quiz | 0 | - | 4.92 | 297,921 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,890 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,771 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,045 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,654 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,372 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,473 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,039 |
| Richest Island Countries | 0 | - | 4.84 | 99,412 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,531 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,562 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,796 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,838 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,620 |
| MCU Characters by Screen Time | 0 | - | 4.22 | 107,310 |
| Superhero Nicknames | 0 | - | 4.21 | 61,189 |
| Countries by Emojis | 0 | - | 4.99 | 235,886 |
| Horror Movie Quotes Quiz | 0 | - | 4.19 | 51,030 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,734 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,260 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,252 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,995 |
| History Analogies #1 | 0 | - | 4.53 | 89,749 |
| History Analogies #2 | 0 | - | 4.49 | 76,971 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,073 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,931 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,911 |
| History Analogies #3 | 0 | - | 4.61 | 80,407 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,102 |
| Years in History by Picture | 0 | - | 4.44 | 35,060 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,151 |
| Materials From History #2 | 0 | - | 4.59 | 30,895 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,487 |
| Random History by Country | 0 | - | 4.53 | 34,636 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,505 |
| Animals in World History | 0 | - | 4.74 | 44,194 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,333 |
| History True or False #3 | 0 | - | 4.43 | 55,881 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,368 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,830 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,989 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,649,629 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,563 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,974 |
| Countries of the Popes | 0 | - | 4.79 | 127,093 |
| Arthurian Legend | 0 | - | 4.33 | 25,046 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,382 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,658 |
| WWII Geography | 0 | - | 4.81 | 119,276 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,079 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,431 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,184 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,908 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,301 |
| Events in History #2 | 0 | - | 4.49 | 71,386 |
| Events in History #4 | 0 | - | 4.44 | 44,073 |
| Events in Ancient History | 0 | - | 4.50 | 35,675 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,786 |
| Assassinations in History | 0 | - | 4.20 | 65,923 |
| Famous Seconds | 0 | - | 4.22 | 46,367 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,420 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,377 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,585 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,005 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,804 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,496 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,871 |
| Female Historical Figures | 0 | - | 4.31 | 33,074 |
| Historical Blunders | 0 | - | 4.33 | 91,637 |
| Territorial Accessions | 0 | - | 4.38 | 34,614 |
| People Known as "The Great" | 0 | - | 4.46 | 24,492 |
| This Day in History - July | 0 | - | 4.49 | 36,357 |
| This Day in History - August | 0 | - | 4.41 | 43,234 |
| This Day in History - September | 0 | - | 4.55 | 57,241 |
| This Day in History - October | 0 | - | 4.49 | 37,545 |
| This Day in History - January | 0 | - | 4.53 | 46,557 |
| This Day in History - March | 0 | - | 4.45 | 43,529 |
| Ancient Civilizations | 0 | - | 4.63 | 37,727 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,442 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,987 |
| Roman Emperors | 0 | - | 4.95 | 118,325 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,370 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,312 |
| Name that Greek Letter | 0 | - | 4.94 | 321,461 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,648 |
| The 19th Century | 0 | - | 4.53 | 67,857 |
| The 18th Century | 0 | - | 4.52 | 53,102 |
| The 16th Century | 0 | - | 4.77 | 58,719 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,523 |
| The 21st Century | 0 | - | 4.48 | 105,231 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,191 |
| The Places They Went #1 | 0 | - | 4.74 | 33,433 |
| Famous Inventors | 0 | - | 4.43 | 43,442 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,481 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,384 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,781 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,515 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,251 |
| Name the English Monarchs | 0 | - | 4.92 | 497,477 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,470 |
| Dark Ages History | 0 | - | 4.42 | 32,669 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,055 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,267 |
| American Corporate Slogans #3 | 0 | - | 4.02 | 25,696 |
| American Junk Food Brands #2 | 0 | - | 3.82 | 30,698 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,901 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,694 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,248 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,159 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,367 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,057 |
| 100 Most Popular Pub Names in the UK | 0 | - | 4.26 | 19,513 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,698 |
| Game of Thrones Last Names | 0 | - | 4.51 | 101,915 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,326 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 147,439 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 22,900 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,645 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,494 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,846 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,554 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,403 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,494 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,050 |
| Which City in Europe? | 0 | - | 4.83 | 106,562 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,583 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,754 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,219 |
