| WWI... or WWII? | 0 | - | 4.85 | 142,988 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,584 |
| WWII Geography | 0 | - | 4.81 | 120,775 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,022 |
| WWII True or False? | 0 | - | 4.56 | 57,830 |
| Territory Changes in World War I | 0 | - | 4.87 | 47,033 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,655 |
| Military History Vocabulary | 0 | - | 4.91 | 67,506 |
| Notable People of WWII | 0 | - | 4.53 | 86,101 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,408 |
| World War II Multiple Choice | 0 | - | 4.38 | 104,403 |
| WWII Trivia #1 | 0 | - | 4.36 | 178,258 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,236 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,810 |
| WWII Decoder | 0 | - | 4.41 | 53,732 |
| World War I Quiz | 0 | - | 4.78 | 101,591 |
| WWI A-Z | 0 | - | 4.51 | 38,515 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,137 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,712 |
| WWII for Dummies | 0 | - | 4.78 | 105,396 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,082 |
| Name the War | 0 | - | 4.37 | 202,602 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,608 |
| Names for Warriors | 0 | - | 4.40 | 37,022 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,710 |
| Countries with NO Military | 0 | - | 4.97 | 62,924 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,659 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,293 |
| All World Leaders 2026 | 0 | - | 4.95 | 20,825 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,200 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,971 |
| Military History A-Z | 0 | - | 4.20 | 21,222 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,329 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,484 |
| Name that Greek Letter | 0 | - | 4.93 | 324,609 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,780 |
| Name the English Monarchs | 0 | - | 4.91 | 505,217 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,689 |
| The Trojan War | 0 | - | 4.83 | 39,925 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,636 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,077 |
| People Who Died in Battle | 0 | - | 4.35 | 22,341 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,454 |
| Roman Emperors | 0 | - | 4.95 | 120,835 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,083 |
| Top Arms Importing Countries | 0 | - | 4.73 | 67,109 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,911 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,787 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,399 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,370 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,650 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,703 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,901 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 43,215 |
| U.S. Military Acronyms | 0 | - | 4.39 | 101,266 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,575 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,401 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,334 |
| Historical Rulers #2 | 0 | - | 4.27 | 47,652 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,179 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,430 |
| Empires by Maps | 0 | - | 4.98 | 121,422 |
| Popular Royal Names | 0 | - | 4.27 | 125,232 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,248 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,001 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,725 |
| First Names of Painters | 0 | - | 4.43 | 59,983 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,997 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 45,247 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,526 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,306 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,560 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,394 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,322,747 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,139 |
| Metals of Antiquity | 0 | - | 4.95 | 93,763 |
| History of The Netherlands | 0 | - | 4.46 | 17,523 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,986 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,726 |
| UN Secretaries-General | 0 | - | 4.40 | 7,835 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,675 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,473 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,127 |
| Recently Independent Countries | 0 | - | 4.98 | 159,710 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 50,423 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,993 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,145 |
| Roman Names for Places | 0 | - | 4.62 | 58,598 |
| 17th Century A-Z | 0 | - | 4.78 | 34,719 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,552 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,511 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,265 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,047 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,193 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,586 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,897 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,865 |
| Most Important People in History | 0 | - | 3.98 | 50,889 |
| Fictional Military Characters Quiz | 0 | - | 4.27 | 19,651 |
| Weapons by Picture | 0 | - | 4.13 | 21,132 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,384 |
| Countries with the Least Dense Road Networks | 0 | - | 4.82 | 41,754 |
| Monarchies of the World | 0 | - | 4.94 | 169,735 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,602 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,848 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,997 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,474 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,118 |
| Disney Animated Characters | 0 | - | 4.88 | 602,384 |
| People on Money by Country | 0 | - | 4.83 | 60,613 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,932 |
| Fast Math - Addition | 0 | - | 4.87 | 524,271 |
| NATO Countries | 0 | - | 4.98 | 282,509 |
| EU Countries Quiz | 0 | - | 4.99 | 276,721 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,604 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,799 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,546 |
| Books of the Protestant Bible | 0 | - | 4.84 | 211,321 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,624 |
| Astronomy Quiz | 0 | - | 4.90 | 83,034 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,069 |
| Solar System Trivia | 0 | - | 4.93 | 46,978 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,069 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,777 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,838 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 169,442 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 88,225 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 40,196 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,698 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,584 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,808 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,212 |
| Influential Women in History | 0 | - | 4.42 | 36,206 |
| Cradles of Civilization | 0 | - | 4.46 | 40,162 |
| Former Flags | 0 | - | 4.97 | 108,269 |
| Russian History A-Z | 0 | - | 4.35 | 32,054 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,208 |
| Materials From History #1 | 0 | - | 4.56 | 51,942 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,326 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,058 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,977 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,183 |
| Former Capitals | 0 | - | 4.88 | 71,600 |
| WWII First Names | 0 | - | 4.45 | 41,918 |
| Cold War Decoder | 0 | - | 4.83 | 52,528 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,620 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,699 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,386 |
| Famous Explorers | 0 | - | 4.58 | 36,289 |
| Famous Empires by Description | 0 | - | 4.73 | 118,840 |
| Answers by Time Period | 0 | - | 4.64 | 55,787 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,231 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,552 |
| Battle to Country | 0 | - | 4.91 | 53,735 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,159 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,634 |
| European History for Dummies | 0 | - | 4.83 | 90,227 |
| English Royal Consorts | 0 | - | 4.38 | 37,475 |
| British History A-Z #1 | 0 | - | 4.45 | 46,919 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,972 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,905 |
| Animals in British History | 0 | - | 4.43 | 26,065 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,465 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,510 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,528 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,696 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,711 |
| Coldest Countries | 0 | - | 4.97 | 138,916 |
| Coldest World Capitals | 0 | - | 4.95 | 134,058 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,819 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,940 |
| World Currency Quiz | 0 | - | 4.92 | 305,536 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,434 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,346 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,815 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,878 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,884 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,234 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,642 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,038 |
| Richest Island Countries | 0 | - | 4.85 | 101,000 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,477 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,760 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,795 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,747 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,888 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,565 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,935 |
| Buddhist Countries | 0 | - | 4.96 | 144,836 |
| The Sun Quiz | 0 | - | 4.93 | 34,952 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,100,838 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,101 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,794 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 28,180 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,463 |
| Countries Hidden in a Letter #2 | 0 | - | 5.00 | 36,249 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,314 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,418 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,317 |
| Countries that Start with D | 0 | - | 4.96 | 714,161 |
