| Military History Vocabulary | 0 | - | 4.91 | 67,412 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,545 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,976 |
| WWII Geography | 0 | - | 4.81 | 120,682 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,919 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,864 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,217 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,626 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,965 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,461 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,208 |
| WWI... or WWII? | 0 | - | 4.85 | 142,803 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,657 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,946 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,643 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,597 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,481 |
| Notable People of WWII | 0 | - | 4.53 | 86,063 |
| WWII Trivia #2 | 0 | - | 4.52 | 104,366 |
| World War I Quiz | 0 | - | 4.78 | 101,524 |
| WWI A-Z | 0 | - | 4.51 | 38,477 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,328 |
| Famous Battles Quiz | 0 | - | 4.21 | 49,059 |
| Name the War | 0 | - | 4.37 | 202,494 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,595 |
| Names for Warriors | 0 | - | 4.40 | 37,006 |
| 17th Century A-Z | 0 | - | 4.78 | 34,701 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,864 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,141 |
| Countries with NO Military | 0 | - | 4.97 | 62,797 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,399 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,484 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,177 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,786 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,606 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,514 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,370 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,697 |
| Africa A-Z | 0 | - | 4.57 | 46,715 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,713 |
| WWII Trivia #1 | 0 | - | 4.36 | 178,147 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,192 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,843 |
| Middle East A-Z | 0 | - | 4.47 | 46,183 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,459 |
| World War II Multiple Choice | 0 | - | 4.38 | 104,351 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,103 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,223 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,743 |
| Countries that Start with D | 0 | - | 4.96 | 713,033 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,131 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,387 |
| Countries that Start with H | 0 | - | 4.96 | 607,151 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,450 |
| Countries that Start with J | 0 | - | 4.98 | 604,682 |
| Countries that Start with K | 0 | - | 4.97 | 818,272 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,745 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,788 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,134 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,037 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,089 |
| Countries that Start with U | 0 | - | 4.97 | 906,297 |
| Countries that Start with V | 0 | - | 4.98 | 610,630 |
| Countries that Start with F | 0 | - | 4.83 | 619,442 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,020 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,775 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,239 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,594 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,267 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,215 |
| Canada A-Z | 0 | - | 4.73 | 32,912 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,984 |
| Four Letter Geography A-Z #1 | 0 | - | 4.58 | 32,604 |
| Four Letter Geography A-Z #2 | 0 | - | 4.56 | 35,106 |
| The Bible A-Z | 0 | - | 4.29 | 59,890 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,860 |
| European Geography A-Z | 0 | - | 4.29 | 49,394 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,602 |
| "Second Best" History Edition | 0 | - | 4.94 | 63,670 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,647 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,127 |
| WWII Decoder | 0 | - | 4.41 | 53,700 |
| People Who Died in Battle | 0 | - | 4.35 | 22,336 |
| Top Arms Importing Countries | 0 | - | 4.73 | 67,013 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,759 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,419 |
| American Football A-Z | 0 | - | 4.26 | 14,544 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,132 |
| France A-Z | 0 | - | 4.16 | 38,288 |
| Switzerland A-Z | 0 | - | 4.45 | 25,710 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,700 |
| Name a Country A-Z | 0 | - | 5.00 | 244,588 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,295 |
| Empires by Maps | 0 | - | 4.98 | 121,195 |
| Russian History A-Z | 0 | - | 4.35 | 31,928 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,196 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,244 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,575 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,635 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,874 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 53,946 |
| WWII for Dummies | 0 | - | 4.78 | 105,293 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,501 |
| U.S. Military Acronyms | 0 | - | 4.39 | 101,248 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,697 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 47,682 |
| Human Body A-Z | 0 | - | 4.51 | 129,456 |
| African Geography A-Z | 0 | - | 4.33 | 21,506 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,055 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,556 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,377 |
| Historical Rulers #2 | 0 | - | 4.27 | 47,610 |
| Historical Rulers #1 | 0 | - | 4.35 | 119,134 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,200 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 35,963 |
| 20th Century A-Z | 0 | - | 4.50 | 53,870 |
| 19th Century A-Z | 0 | - | 4.77 | 47,390 |
| 18th Century A-Z | 0 | - | 4.54 | 43,252 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,273 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,526 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,339 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,321,392 |
| Countries that Start with R | 0 | - | 4.43 | 448,893 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,305 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,125 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,535 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,909 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,453 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,121 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,524 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,299 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,119 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,370 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,887 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,529 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,046 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,509 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,959 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,978 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,173 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,097 |
| South America A-Z | 0 | - | 4.13 | 10,931 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,315 |
| Metals of Antiquity | 0 | - | 4.95 | 93,683 |
| Popular Royal Names | 0 | - | 4.27 | 125,158 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,928 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,681 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,025 |
| First Names of Painters | 0 | - | 4.43 | 59,947 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,465 |
| Weapons by Picture | 0 | - | 4.13 | 21,123 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,901 |
| Basketball A-Z | 0 | - | 3.87 | 22,731 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,166 |
| Mountains A-Z | 0 | - | 3.78 | 10,987 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,799 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,458 |
| Influential Women in History | 0 | - | 4.42 | 36,170 |
| Cradles of Civilization | 0 | - | 4.46 | 40,122 |
| History of The Netherlands | 0 | - | 4.46 | 17,503 |
| Materials From History #1 | 0 | - | 4.56 | 51,904 |
| UN Secretaries-General | 0 | - | 4.40 | 7,826 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,667 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,301 |
| Famous Explorers | 0 | - | 4.58 | 36,274 |
| Famous Empires by Description | 0 | - | 4.73 | 118,760 |
| Answers by Time Period | 0 | - | 4.64 | 55,750 |
| 16th Century A-Z | 0 | - | 4.58 | 24,961 |
| 15th Century A-Z | 0 | - | 4.49 | 23,975 |
| 14th Century A-Z | 0 | - | 4.41 | 24,447 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,488 |
| Most Important People in History | 0 | - | 3.98 | 50,854 |
| Fictional Military Characters Quiz | 0 | - | 4.27 | 19,645 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,182 |
| Monarchies of the World | 0 | - | 4.94 | 169,519 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,475 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,739 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,882 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,424 |
| Disney Animated Characters | 0 | - | 4.88 | 602,173 |
| People on Money by Country | 0 | - | 4.83 | 60,567 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,880 |
| Fast Math - Addition | 0 | - | 4.87 | 523,936 |
| NATO Countries | 0 | - | 4.98 | 282,061 |
| EU Countries Quiz | 0 | - | 4.99 | 276,180 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,564 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,034 |
| Books of the Protestant Bible | 0 | - | 4.84 | 211,053 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,131 |
| Astronomy Quiz | 0 | - | 4.90 | 82,943 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,877 |
| Solar System Trivia | 0 | - | 4.93 | 46,902 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,003 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,687 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,430 |
| Colors by Letter | 0 | - | 4.25 | 162,750 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,164 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,365 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,708 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,563 |
