| Territory Changes in World War I | 0 | - | 4.87 | 46,803 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,450 |
| WWII Geography | 0 | - | 4.81 | 120,398 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,563 |
| WWI... or WWII? | 0 | - | 4.85 | 142,294 |
| World War I Quiz | 0 | - | 4.78 | 101,313 |
| WWI A-Z | 0 | - | 4.50 | 38,356 |
| Military History Vocabulary | 0 | - | 4.91 | 67,180 |
| Notable People of WWII | 0 | - | 4.53 | 85,945 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,187 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,762 |
| World War II Multiple Choice | 0 | - | 4.38 | 104,192 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,439 |
| WWII True or False? | 0 | - | 4.56 | 57,582 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,448 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,085 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,018 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,681 |
| WWII Decoder | 0 | - | 4.41 | 53,573 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,999 |
| Name the War | 0 | - | 4.37 | 201,694 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,549 |
| Names for Warriors | 0 | - | 4.40 | 36,940 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,514 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,401 |
| Countries with NO Military | 0 | - | 4.97 | 62,371 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,570 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,445 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,222 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,152 |
| Military History A-Z | 0 | - | 4.20 | 21,169 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,106 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,060 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,519 |
| People Who Died in Battle | 0 | - | 4.35 | 22,324 |
| Top Arms Importing Countries | 0 | - | 4.74 | 66,507 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,297 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,879 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,181 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,361 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,757 |
| WWII for Dummies | 0 | - | 4.78 | 104,980 |
| U.S. Military Acronyms | 0 | - | 4.39 | 101,150 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,460 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,276 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,501 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,953 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,863 |
| Empires by Maps | 0 | - | 4.98 | 120,556 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,072 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,748 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,408 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,112 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,451 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,201 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,317,284 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,248 |
| Metals of Antiquity | 0 | - | 4.95 | 93,459 |
| Popular Royal Names | 0 | - | 4.27 | 124,984 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,737 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,308 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,533 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,786 |
| First Names of Painters | 0 | - | 4.43 | 59,869 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,052 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,326 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,356 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,508 |
| Geography of the British Empire | 0 | - | 4.48 | 39,680 |
| Weapons by Picture | 0 | - | 4.13 | 21,064 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,285 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,224 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,981 |
| Influential Women in History | 0 | - | 4.42 | 35,694 |
| Cradles of Civilization | 0 | - | 4.46 | 39,728 |
| History of The Netherlands | 0 | - | 4.46 | 17,437 |
| Materials From History #1 | 0 | - | 4.56 | 51,614 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,677 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 35,875 |
| UN Secretaries-General | 0 | - | 4.40 | 7,801 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,637 |
| Recently Independent Countries | 0 | - | 4.98 | 159,277 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 50,218 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,976 |
| Famous Explorers | 0 | - | 4.58 | 36,186 |
| Famous Empires by Description | 0 | - | 4.73 | 118,489 |
| Answers by Time Period | 0 | - | 4.64 | 55,610 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,010 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,917 |
| 17th Century A-Z | 0 | - | 4.78 | 34,646 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,343 |
| French History Multiple Choice | 0 | - | 4.55 | 33,048 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,047 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,362 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,753 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,156 |
| Medieval English History | 0 | - | 4.53 | 43,520 |
| History of Germany | 0 | - | 4.39 | 52,831 |
| Most Important People in History | 0 | - | 3.98 | 50,719 |
| Fictional Military Characters Quiz | 0 | - | 4.27 | 19,625 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,597 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,598 |
| Monarchies of the World | 0 | - | 4.94 | 168,777 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,715 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,958 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,443 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,183 |
| Disney Animated Characters | 0 | - | 4.88 | 601,521 |
| People on Money by Country | 0 | - | 4.83 | 60,412 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,634 |
| Fast Math - Addition | 0 | - | 4.87 | 522,977 |
| NATO Countries | 0 | - | 4.98 | 280,576 |
| EU Countries Quiz | 0 | - | 4.99 | 274,440 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,649 |
| 7 Deadly Sins | 0 | - | 4.88 | 400,531 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,233 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,539 |
| Astronomy Quiz | 0 | - | 4.90 | 82,643 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,323 |
| Solar System Trivia | 0 | - | 4.93 | 46,682 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,754 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,412 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 151,787 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 168,247 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,672 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,826 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,390 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,466 |
| Former Flags | 0 | - | 4.97 | 107,776 |
| Years in History by Picture | 0 | - | 4.44 | 35,538 |
| Russian History A-Z | 0 | - | 4.38 | 31,743 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,149 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,606 |
| Materials From History #2 | 0 | - | 4.59 | 31,492 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,027 |
| Former Capitals | 0 | - | 4.88 | 71,473 |
| Cold War Decoder | 0 | - | 4.83 | 52,370 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,515 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,419 |
| Events in History #2 | 0 | - | 4.49 | 71,737 |
| Events in History #3 | 0 | - | 4.41 | 71,711 |
| Events in History #4 | 0 | - | 4.44 | 44,323 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,267 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,019 |
| Assassinations in History | 0 | - | 4.21 | 66,224 |
| Famous Seconds | 0 | - | 4.22 | 46,581 |
| Ages and Eras | 0 | - | 4.39 | 67,727 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,485 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,804 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,180 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,013 |
| Female Historical Figures | 0 | - | 4.28 | 33,255 |
| Historical Blunders | 0 | - | 4.34 | 91,970 |
| Territorial Accessions | 0 | - | 4.34 | 34,797 |
| People Known as "The Great" | 0 | - | 4.46 | 24,686 |
| This Day in History - July | 0 | - | 4.49 | 36,458 |
| This Day in History - August | 0 | - | 4.42 | 43,362 |
| This Day in History - September | 0 | - | 4.55 | 57,455 |
| This Day in History - October | 0 | - | 4.49 | 37,631 |
| This Day in History - January | 0 | - | 4.47 | 46,721 |
| This Day in History - March | 0 | - | 4.45 | 43,673 |
| Ancient Civilizations | 0 | - | 4.64 | 37,975 |
| Battle to Country | 0 | - | 4.91 | 53,367 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,962 |
| The Places They Went #1 | 0 | - | 4.74 | 33,534 |
| Famous Inventors | 0 | - | 4.44 | 43,545 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,266 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,952 |
| European History for Dummies | 0 | - | 4.83 | 89,938 |
| History of Scotland | 0 | - | 4.51 | 21,096 |
| Kings of France Quiz | 0 | - | 4.20 | 32,755 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,014,029 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,383 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,141 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,568 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,411 |
| Coldest Countries | 0 | - | 4.97 | 138,515 |
| Coldest World Capitals | 0 | - | 4.95 | 133,576 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,608 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,734 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,192 |
| World Currency Quiz | 0 | - | 4.92 | 303,248 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,520 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,610 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,241 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,450 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,575 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,757 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,433 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,804 |
| Richest Island Countries | 0 | - | 4.85 | 100,577 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,925 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,483 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,708 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,337 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,570 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,504 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,443 |
| Buddhist Countries | 0 | - | 4.96 | 144,389 |
| The Sun Quiz | 0 | - | 4.93 | 34,708 |
