| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,685 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,314 |
| Random Brand Logos | 0 | - | 4.45 | 399,207 |
| Brand Logos Quiz #2 | 0 | - | 4.69 | 1,678,199 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,005,207 |
| Clothing Brand Logos | 0 | - | 4.24 | 221,803 |
| Brand Logos Quiz #5 | 0 | - | 4.38 | 1,057,295 |
| Brand Logos Quiz #6 | 0 | - | 4.32 | 778,290 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,217,636 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 526,823 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 605,015 |
| Marketing Slogans for Animals | 0 | - | 4.48 | 29,106 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,224 |
| Brand-Name Animals | 0 | - | 4.16 | 74,252 |
| Soft Drink Brand Logos | 0 | - | 4.24 | 173,753 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,085 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,547 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,236 |
| MCU Actors by Picture | 0 | - | 4.44 | 82,990 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,229 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,262 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,729 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,854 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,261 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,650 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,571 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,083 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,330 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,361 |
| Empires by Maps | 0 | - | 4.98 | 118,240 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,362 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,164 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,046 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,355 |
| Name the Constellations | 0 | - | 4.58 | 44,630 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 204,529 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.68 | 64,455 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,406 |
| Metals of Antiquity | 0 | - | 4.94 | 92,827 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,106 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,089 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,652 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,069 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,619 |
| 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 | 60,801 |
| Countries as U.S. First Names | 0 | - | 4.31 | 77,305 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,318 |
| Drinks by Country | 0 | - | 4.30 | 59,158 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 64,429 |
| Beers by Country | 0 | - | 4.45 | 95,678 |
| Influential Women in History | 0 | - | 4.42 | 34,909 |
| Cradles of Civilization | 0 | - | 4.46 | 38,969 |
| Former Flags | 0 | - | 4.97 | 106,556 |
| Materials From History #1 | 0 | - | 4.56 | 50,529 |
| Historical Countries by Ruler | 0 | - | 4.48 | 47,997 |
| Flags of WW1 | 0 | - | 4.60 | 37,897 |
| Cold War Decoder | 0 | - | 4.83 | 51,893 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,294 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,083 |
| Famous Explorers | 0 | - | 4.58 | 35,921 |
| Famous Empires by Description | 0 | - | 4.70 | 117,478 |
| Answers by Time Period | 0 | - | 4.63 | 55,233 |
| Military History Vocabulary | 0 | - | 4.91 | 66,603 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,429 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,289 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,046 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,586 |
| World Currency Quiz | 0 | - | 4.92 | 297,967 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,916 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,789 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,058 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,664 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,386 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,485 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,053 |
| Richest Island Countries | 0 | - | 4.84 | 99,425 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,553 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,570 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,827 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,850 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,636 |
| MCU Characters by Screen Time | 0 | - | 4.22 | 107,322 |
| Superhero Nicknames | 0 | - | 4.21 | 61,194 |
| Countries by Emojis | 0 | - | 4.99 | 235,915 |
| Horror Movie Quotes Quiz | 0 | - | 4.19 | 51,032 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,808 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,268 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,254 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,998 |
| History Analogies #1 | 0 | - | 4.53 | 89,754 |
| History Analogies #2 | 0 | - | 4.49 | 76,974 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,075 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,932 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,911 |
| History Analogies #3 | 0 | - | 4.61 | 80,409 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,105 |
| Years in History by Picture | 0 | - | 4.44 | 35,063 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,156 |
| Materials From History #2 | 0 | - | 4.59 | 30,895 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,493 |
| Random History by Country | 0 | - | 4.53 | 34,638 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,510 |
| Animals in World History | 0 | - | 4.74 | 44,198 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,333 |
| History True or False #3 | 0 | - | 4.43 | 55,882 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,371 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,835 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,989 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,111 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,563 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,993 |
| Countries of the Popes | 0 | - | 4.79 | 127,105 |
| Arthurian Legend | 0 | - | 4.33 | 25,047 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,405 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,659 |
| WWII Geography | 0 | - | 4.81 | 119,280 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,079 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,440 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,187 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,909 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,301 |
| Events in History #2 | 0 | - | 4.49 | 71,389 |
| Events in History #4 | 0 | - | 4.44 | 44,076 |
| Events in Ancient History | 0 | - | 4.50 | 35,677 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,789 |
| Assassinations in History | 0 | - | 4.20 | 65,926 |
| Famous Seconds | 0 | - | 4.22 | 46,370 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,421 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,378 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,588 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,010 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,806 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,499 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,875 |
| Female Historical Figures | 0 | - | 4.31 | 33,078 |
| Historical Blunders | 0 | - | 4.33 | 91,638 |
| Territorial Accessions | 0 | - | 4.38 | 34,614 |
| People Known as "The Great" | 0 | - | 4.46 | 24,494 |
| This Day in History - July | 0 | - | 4.49 | 36,361 |
| This Day in History - August | 0 | - | 4.42 | 43,234 |
| This Day in History - September | 0 | - | 4.55 | 57,242 |
| 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 | 37,730 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,444 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,996 |
| Roman Emperors | 0 | - | 4.95 | 118,343 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,375 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,382 |
| Name that Greek Letter | 0 | - | 4.94 | 321,476 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,927 |
| The 19th Century | 0 | - | 4.53 | 67,861 |
| The 18th Century | 0 | - | 4.52 | 53,104 |
| The 16th Century | 0 | - | 4.77 | 58,722 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,526 |
| The 21st Century | 0 | - | 4.48 | 105,241 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,191 |
| The Places They Went #1 | 0 | - | 4.74 | 33,435 |
| Famous Inventors | 0 | - | 4.43 | 43,443 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,483 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,388 |
| 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 | 497,529 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,482 |
| Dark Ages History | 0 | - | 4.42 | 32,670 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,119 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,286 |
| American Corporate Slogans #3 | 0 | - | 4.02 | 25,696 |
| American Junk Food Brands #2 | 0 | - | 3.82 | 30,699 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,906 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,712 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,260 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,164 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,374 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,062 |
| 100 Most Popular Pub Names in the UK | 0 | - | 4.26 | 19,515 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,702 |
| Game of Thrones Last Names | 0 | - | 4.51 | 101,925 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,375 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 147,457 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 22,900 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,647 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,495 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,849 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,556 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,412 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,498 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,059 |
| Which City in Europe? | 0 | - | 4.83 | 106,564 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,585 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,759 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,226 |
