| All World Leaders 2026 | 0 | - | 4.94 | 19,935 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,490 |
| WWII Geography | 0 | - | 4.81 | 120,302 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,426 |
| NATO Countries | 0 | - | 4.98 | 280,088 |
| EU Countries Quiz | 0 | - | 4.99 | 273,738 |
| 7 Deadly Sins | 0 | - | 4.88 | 400,091 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,775 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,441 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,263 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,481 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,914 |
| Words for Leaders | 0 | - | 4.77 | 257,206 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 110,050 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,893 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,097,157 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,485 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,279 |
| Political Quotes | 0 | - | 4.17 | 19,883 |
| Military History Vocabulary | 0 | - | 4.91 | 67,132 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,400 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,744 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,990 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 338,748 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,031 |
| The Sun Quiz | 0 | - | 4.93 | 34,659 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,453 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,755 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,983 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,951 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,118 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,924 |
| Popular Royal Names | 0 | - | 4.27 | 124,928 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,847 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,866 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,496 |
| First Names of Painters | 0 | - | 4.43 | 59,844 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,862 |
| UN Secretaries-General | 0 | - | 4.40 | 7,795 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,627 |
| Name the English Monarchs | 0 | - | 4.91 | 502,402 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,860 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,921 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,972 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,130 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,464 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,040 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,963 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,307 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,761 |
| Nicknames in World History | 0 | - | 4.74 | 37,740 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,931 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,683 |
| WWII Decoder | 0 | - | 4.41 | 53,544 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,399 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,469 |
| All OPEC Countries Ever | 0 | - | 4.74 | 96,364 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,589 |
| Star Wars Quotes | 0 | - | 4.86 | 184,234 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,078 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,075 |
| Name a Country A-Z | 0 | - | 5.00 | 243,218 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,973 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,666 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,757 |
| Empires by Maps | 0 | - | 4.98 | 120,362 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,705 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,944 |
| WWII First Names | 0 | - | 4.44 | 41,778 |
| WWII for Dummies | 0 | - | 4.78 | 104,888 |
| Countries in World War I | 0 | - | 4.88 | 228,074 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,002 |
| Historical Middle Names | 0 | - | 4.16 | 35,779 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,543 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,310 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,369 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,255 |
| First Names of Explorers Quiz | 0 | - | 4.45 | 18,405 |
| Mythical Lands | 0 | - | 4.26 | 85,339 |
| Saint in the Answers | 0 | - | 4.10 | 44,346 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,854 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,726 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.32 | 85,093 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,703 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,781 |
| Famous Speeches from History | 0 | - | 4.16 | 33,631 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,970 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,648 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 363,672 |
| Companies by Country | 0 | - | 4.61 | 119,602 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,273 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,158 |
| Astronomy Decoder | 0 | - | 4.49 | 38,044 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,664 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,174 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 669,201 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,993 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,373 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,665 |
| Metals of Antiquity | 0 | - | 4.95 | 93,418 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,681 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,227 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 67,999 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,491 |
| Countries in World War II | 0 | - | 4.54 | 912,320 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,074 |
| Communist Countries in History | 0 | - | 4.63 | 495,536 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 61,077 |
| Famous Mottos | 0 | - | 3.46 | 48,593 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,286 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,621,006 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,572 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,497 |
| Character to Author #1 | 0 | - | 4.52 | 43,462 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 61,029 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,834 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,943 |
| Influential Women in History | 0 | - | 4.42 | 35,570 |
| Cradles of Civilization | 0 | - | 4.46 | 39,624 |
| History of The Netherlands | 0 | - | 4.46 | 17,429 |
| Materials From History #1 | 0 | - | 4.56 | 51,537 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,612 |
| World Leaders by Picture | 0 | - | 4.36 | 265,228 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,508 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,924 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,865 |
| Famous Explorers | 0 | - | 4.58 | 36,151 |
| Famous Empires by Description | 0 | - | 4.73 | 118,429 |
| Answers by Time Period | 0 | - | 4.63 | 55,561 |
| Historical Misquotes | 0 | - | 4.39 | 26,660 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,012 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,444 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,162 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,732 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,100,772 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,594 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,249 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,441 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,392 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,047 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,948 |
| Books by Country Quiz | 0 | - | 4.30 | 32,237 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,901 |
| Colors by Letter | 0 | - | 4.25 | 162,518 |
| Sibling Actors | 0 | - | 4.12 | 47,543 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,572 |
| Countries with Four Letters | 0 | - | 4.99 | 422,210 |
| Random Symbol to Element | 0 | - | 4.88 | 93,028 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,437 |
| Random Country to Capital | 0 | - | 4.98 | 919,986 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,967 |
| Name a Valid World City | 0 | - | 4.83 | 71,145 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,072 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,510 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,526 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,125 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,847 |
| Countries with NO Military | 0 | - | 4.97 | 62,200 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,351 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,552 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,253 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,824 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,036 |
| Former Flags | 0 | - | 4.97 | 107,674 |
| Years in History by Picture | 0 | - | 4.44 | 35,499 |
| Russian History A-Z | 0 | - | 4.38 | 31,687 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,133 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,572 |
| Materials From History #2 | 0 | - | 4.59 | 31,475 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,979 |
| Dictators by Picture | 0 | - | 4.18 | 49,151 |
| Former Capitals | 0 | - | 4.88 | 71,436 |
| Important Cities in WWII | 0 | - | 4.42 | 93,448 |
| WWII A-Z #1 | 0 | - | 4.73 | 102,969 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,651 |
| Cold War Decoder | 0 | - | 4.83 | 52,344 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,409 |
| Events in History #2 | 0 | - | 4.49 | 71,701 |
| Events in History #3 | 0 | - | 4.41 | 71,687 |
| Events in History #4 | 0 | - | 4.44 | 44,300 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,169 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,998 |
| Assassinations in History | 0 | - | 4.21 | 66,199 |
| Famous Seconds | 0 | - | 4.22 | 46,572 |
| Ages and Eras | 0 | - | 4.39 | 67,703 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,483 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,784 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,162 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,989 |
| Female Historical Figures | 0 | - | 4.28 | 33,238 |
| Historical Blunders | 0 | - | 4.34 | 91,942 |
| Territorial Accessions | 0 | - | 4.34 | 34,781 |
| People Known as "The Great" | 0 | - | 4.46 | 24,667 |
| This Day in History - July | 0 | - | 4.49 | 36,448 |
| This Day in History - August | 0 | - | 4.42 | 43,358 |
| This Day in History - September | 0 | - | 4.55 | 57,437 |
| This Day in History - October | 0 | - | 4.49 | 37,622 |
| This Day in History - January | 0 | - | 4.47 | 46,711 |
| This Day in History - March | 0 | - | 4.45 | 43,663 |
| Ancient Civilizations | 0 | - | 4.64 | 37,951 |
