| WWI... or WWII? | 0 | - | 4.85 | 142,677 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,516 |
| WWII Geography | 0 | - | 4.81 | 120,596 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,803 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,929 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,560 |
| Military History Vocabulary | 0 | - | 4.91 | 67,316 |
| Notable People of WWII | 0 | - | 4.53 | 86,044 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,319 |
| World War II Multiple Choice | 0 | - | 4.38 | 104,315 |
| WWII Trivia #1 | 0 | - | 4.36 | 178,045 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,139 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,760 |
| WWII Decoder | 0 | - | 4.41 | 53,672 |
| World War I Quiz | 0 | - | 4.78 | 101,463 |
| WWI A-Z | 0 | - | 4.51 | 38,444 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,118 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,586 |
| WWII for Dummies | 0 | - | 4.78 | 105,212 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,044 |
| Name the War | 0 | - | 4.37 | 202,413 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,578 |
| Names for Warriors | 0 | - | 4.40 | 36,988 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 43,048 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,514 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,695 |
| Countries with NO Military | 0 | - | 4.97 | 62,686 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,164 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,526 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,176 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,734 |
| Military History A-Z | 0 | - | 4.20 | 21,196 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,232 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,121 |
| Name that Greek Letter | 0 | - | 4.93 | 324,228 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,720 |
| Name the English Monarchs | 0 | - | 4.91 | 504,162 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,582 |
| The Trojan War | 0 | - | 4.83 | 39,809 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,297 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,568 |
| People Who Died in Battle | 0 | - | 4.35 | 22,332 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,664 |
| Roman Emperors | 0 | - | 4.95 | 120,442 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,034 |
| Top Arms Importing Countries | 0 | - | 4.73 | 66,931 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,562 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,337 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,092 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,504 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,571 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,843 |
| U.S. Military Acronyms | 0 | - | 4.39 | 101,222 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,509 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,317 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,299 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,553 |
| Historical Rulers #1 | 0 | - | 4.35 | 119,055 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,155 |
| Empires by Maps | 0 | - | 4.98 | 121,015 |
| Popular Royal Names | 0 | - | 4.27 | 125,094 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,137 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 35,917 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,614 |
| First Names of Painters | 0 | - | 4.43 | 59,922 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,897 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,202 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,481 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,238 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,501 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,302 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,320,237 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,073 |
| Metals of Antiquity | 0 | - | 4.95 | 93,634 |
| History of The Netherlands | 0 | - | 4.46 | 17,491 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,890 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,545 |
| UN Secretaries-General | 0 | - | 4.40 | 7,816 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,654 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,683 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,925 |
| Recently Independent Countries | 0 | - | 4.98 | 159,516 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 50,397 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,798 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,999 |
| Roman Names for Places | 0 | - | 4.62 | 58,420 |
| 17th Century A-Z | 0 | - | 4.78 | 34,689 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,435 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,422 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,215 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,006 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,130 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,477 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,853 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,789 |
| Most Important People in History | 0 | - | 3.98 | 50,817 |
| Fictional Military Characters Quiz | 0 | - | 4.27 | 19,641 |
| Weapons by Picture | 0 | - | 4.13 | 21,107 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,025 |
| Countries with the Least Dense Road Networks | 0 | - | 4.82 | 41,702 |
| Monarchies of the World | 0 | - | 4.94 | 169,332 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,338 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,623 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,788 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,365 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,703 |
| Disney Animated Characters | 0 | - | 4.88 | 602,001 |
| People on Money by Country | 0 | - | 4.83 | 60,526 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,819 |
| Fast Math - Addition | 0 | - | 4.87 | 523,651 |
| NATO Countries | 0 | - | 4.98 | 281,722 |
| EU Countries Quiz | 0 | - | 4.99 | 275,757 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,344 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,667 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,845 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,754 |
| Astronomy Quiz | 0 | - | 4.90 | 82,863 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,742 |
| Solar System Trivia | 0 | - | 4.93 | 46,843 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,941 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,604 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,159 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 168,886 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,975 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 40,048 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,576 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,552 |
| France True or False? | 0 | - | 4.44 | 39,989 |
| Canada True or False? | 0 | - | 4.57 | 54,993 |
| Russia True or False? | 0 | - | 4.67 | 35,788 |
| New York True or False? | 0 | - | 4.53 | 33,862 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,190 |
| Influential Women in History | 0 | - | 4.42 | 36,115 |
| Cradles of Civilization | 0 | - | 4.46 | 40,079 |
| Former Flags | 0 | - | 4.97 | 108,011 |
| Russian History A-Z | 0 | - | 4.35 | 31,888 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,182 |
| Materials From History #1 | 0 | - | 4.56 | 51,861 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,218 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,924 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,906 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,078 |
| Former Capitals | 0 | - | 4.88 | 71,534 |
| WWII First Names | 0 | - | 4.44 | 41,855 |
| Cold War Decoder | 0 | - | 4.83 | 52,460 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,573 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,504 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,228 |
| Famous Explorers | 0 | - | 4.58 | 36,263 |
| Famous Empires by Description | 0 | - | 4.73 | 118,693 |
| Answers by Time Period | 0 | - | 4.64 | 55,715 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,206 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,525 |
| Battle to Country | 0 | - | 4.91 | 53,564 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,055 |
| European History for Dummies | 0 | - | 4.83 | 90,094 |
| English Royal Consorts | 0 | - | 4.38 | 37,421 |
| British History A-Z #1 | 0 | - | 4.45 | 46,588 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,836 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,773 |
| Animals in British History | 0 | - | 4.43 | 26,045 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,421 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,442 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,373 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,636 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,560 |
| Coldest Countries | 0 | - | 4.97 | 138,754 |
| Coldest World Capitals | 0 | - | 4.95 | 133,672 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,719 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,851 |
| World Currency Quiz | 0 | - | 4.92 | 304,423 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,028 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,047 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,544 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,686 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,766 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,016 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,543 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,929 |
| Richest Island Countries | 0 | - | 4.85 | 100,822 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,158 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,625 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,792 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,555 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,743 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,782 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,707 |
| Israel True or False? | 0 | - | 3.96 | 16,842 |
| Buddhist Countries | 0 | - | 4.96 | 144,655 |
| The Sun Quiz | 0 | - | 4.93 | 34,813 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,400 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,030 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,618 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 28,155 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,392 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,394 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,723 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,524 |
| Countries that Start with D | 0 | - | 4.96 | 712,126 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,115 |
