| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,398,858 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,303 |
| Random Brand Logos | 0 | - | 4.45 | 399,053 |
| Brand Logos Quiz #2 | 0 | - | 4.69 | 1,677,735 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,004,947 |
| Clothing Brand Logos | 0 | - | 4.24 | 221,729 |
| Brand Logos Quiz #5 | 0 | - | 4.38 | 1,057,043 |
| Brand Logos Quiz #6 | 0 | - | 4.32 | 778,067 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,217,350 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 526,669 |
| Brand Logos Quiz #7 | 0 | - | 4.36 | 604,854 |
| Marketing Slogans for Animals | 0 | - | 4.48 | 29,105 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,099 |
| Brand-Name Animals | 0 | - | 4.16 | 74,239 |
| Soft Drink Brand Logos | 0 | - | 4.24 | 173,699 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,049 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,498 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,085 |
| MCU Actors by Picture | 0 | - | 4.44 | 82,947 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,132 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,144 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,656 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,820 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,224 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,618 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,545 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,981 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,259 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,309 |
| Empires by Maps | 0 | - | 4.98 | 118,158 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 67,339 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,144 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,034 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,269 |
| Name the Constellations | 0 | - | 4.58 | 44,622 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 204,499 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 64,435 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,395 |
| Metals of Antiquity | 0 | - | 4.94 | 92,811 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,084 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,060 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,642 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 703,968 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,606 |
| American TV Commercials by Description | 0 | - | 4.00 | 29,582 |
| American Corporate Slogans #1 | 0 | - | 4.06 | 65,159 |
| American Corporate Slogans #2 | 0 | - | 4.06 | 59,594 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,795 |
| Countries as U.S. First Names | 0 | - | 4.31 | 77,294 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,280 |
| Drinks by Country | 0 | - | 4.30 | 59,151 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 64,412 |
| Beers by Country | 0 | - | 4.45 | 95,250 |
| Influential Women in History | 0 | - | 4.42 | 34,894 |
| Cradles of Civilization | 0 | - | 4.46 | 38,953 |
| Former Flags | 0 | - | 4.97 | 106,529 |
| Materials From History #1 | 0 | - | 4.56 | 50,517 |
| Historical Countries by Ruler | 0 | - | 4.48 | 47,980 |
| Flags of WW1 | 0 | - | 4.60 | 37,869 |
| Cold War Decoder | 0 | - | 4.83 | 51,875 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,266 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,066 |
| Famous Explorers | 0 | - | 4.58 | 35,910 |
| Famous Empires by Description | 0 | - | 4.70 | 117,462 |
| Answers by Time Period | 0 | - | 4.63 | 55,225 |
| Military History Vocabulary | 0 | - | 4.91 | 66,576 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,408 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,281 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,039 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,446 |
| World Currency Quiz | 0 | - | 4.92 | 297,786 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,836 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,729 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,003 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,610 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,323 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,445 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 73,995 |
| Richest Island Countries | 0 | - | 4.84 | 99,371 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,496 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,536 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,705 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,804 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,590 |
| MCU Characters by Screen Time | 0 | - | 4.22 | 107,276 |
| Superhero Nicknames | 0 | - | 4.21 | 61,177 |
| Countries by Emojis | 0 | - | 4.99 | 235,804 |
| Horror Movie Quotes Quiz | 0 | - | 4.19 | 51,027 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,579 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,247 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,243 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,994 |
| History Analogies #1 | 0 | - | 4.53 | 89,744 |
| History Analogies #2 | 0 | - | 4.49 | 76,964 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,065 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,926 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,906 |
| History Analogies #3 | 0 | - | 4.61 | 80,399 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,095 |
| Years in History by Picture | 0 | - | 4.44 | 35,048 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,146 |
| Materials From History #2 | 0 | - | 4.59 | 30,892 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,482 |
| Random History by Country | 0 | - | 4.53 | 34,635 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,495 |
| Animals in World History | 0 | - | 4.74 | 44,188 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,326 |
| History True or False #3 | 0 | - | 4.43 | 55,875 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,354 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,826 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,986 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,490 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,560 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,949 |
| Countries of the Popes | 0 | - | 4.79 | 127,068 |
| Arthurian Legend | 0 | - | 4.33 | 25,045 |
| The Trojan War | 0 | - | 4.83 | 39,393 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,337 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,656 |
| WWII Geography | 0 | - | 4.81 | 119,256 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,070 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,407 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,173 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,898 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,298 |
| Events in History #2 | 0 | - | 4.49 | 71,377 |
| Events in History #4 | 0 | - | 4.44 | 44,068 |
| Events in Ancient History | 0 | - | 4.50 | 35,668 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,784 |
| Assassinations in History | 0 | - | 4.20 | 65,917 |
| Famous Seconds | 0 | - | 4.22 | 46,363 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,416 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,376 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,584 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,004 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,800 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,481 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,864 |
| Female Historical Figures | 0 | - | 4.31 | 33,070 |
| Historical Blunders | 0 | - | 4.33 | 91,634 |
| Territorial Accessions | 0 | - | 4.38 | 34,612 |
| People Known as "The Great" | 0 | - | 4.46 | 24,489 |
| This Day in History - July | 0 | - | 4.49 | 36,356 |
| This Day in History - August | 0 | - | 4.41 | 43,232 |
| This Day in History - September | 0 | - | 4.55 | 57,235 |
| This Day in History - October | 0 | - | 4.49 | 37,542 |
| This Day in History - January | 0 | - | 4.53 | 46,550 |
| This Day in History - March | 0 | - | 4.45 | 43,525 |
| Ancient Civilizations | 0 | - | 4.63 | 37,724 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,438 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,976 |
| Roman Emperors | 0 | - | 4.95 | 118,283 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,349 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,153 |
| Name that Greek Letter | 0 | - | 4.94 | 321,435 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,648 |
| The 19th Century | 0 | - | 4.53 | 67,850 |
| The 18th Century | 0 | - | 4.52 | 53,098 |
| The 16th Century | 0 | - | 4.77 | 58,718 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,517 |
| The 21st Century | 0 | - | 4.48 | 105,213 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,190 |
| The Places They Went #1 | 0 | - | 4.74 | 33,432 |
| Famous Inventors | 0 | - | 4.43 | 43,440 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,469 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,381 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,770 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,509 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,245 |
| Name the English Monarchs | 0 | - | 4.92 | 497,359 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,464 |
| Dark Ages History | 0 | - | 4.42 | 32,667 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,009,990 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,224 |
| 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 | 60,889 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,662 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,229 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,136 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,338 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,047 |
| 100 Most Popular Pub Names in the UK | 0 | - | 4.26 | 19,508 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,680 |
| Game of Thrones Last Names | 0 | - | 4.51 | 101,899 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,171 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 147,411 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 22,895 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,630 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,485 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,843 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,538 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,387 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,480 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,037 |
| Which City in Europe? | 0 | - | 4.83 | 106,546 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,204 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,576 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,739 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,204 |
