| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,792 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,736 |
| Countries in World War I | 0 | - | 4.88 | 227,920 |
| Countries in World War II | 0 | - | 4.54 | 911,441 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,824 |
| WWII First Names | 0 | - | 4.44 | 41,755 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,826 |
| Important Cities in WWII | 0 | - | 4.42 | 93,393 |
| WWII for Dummies | 0 | - | 4.78 | 104,784 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,646 |
| Empires by Maps | 0 | - | 4.98 | 120,142 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,272 |
| Name the English Monarchs | 0 | - | 4.91 | 501,872 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,117 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,982 |
| WWII Decoder | 0 | - | 4.41 | 53,499 |
| Former Flags | 0 | - | 4.97 | 107,567 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,920 |
| Years in History by Picture | 0 | - | 4.44 | 35,466 |
| Military History Vocabulary | 0 | - | 4.91 | 67,075 |
| Battle to Country | 0 | - | 4.91 | 53,206 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,901 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,624 |
| WWII Geography | 0 | - | 4.81 | 120,190 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,344 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,606 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,527 |
| Name that Greek Letter | 0 | - | 4.93 | 323,224 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,274 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,754 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,610 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,238 |
| The Trojan War | 0 | - | 4.83 | 39,672 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,638 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,664 |
| WWI... or WWII? | 0 | - | 4.85 | 141,991 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,602 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,451 |
| Roman Emperors | 0 | - | 4.95 | 119,747 |
| British History A-Z #1 | 0 | - | 4.45 | 46,426 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,294 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,522 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,747 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,623 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,844 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,007 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,212 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,714 |
| The Vietnam War | 0 | - | 4.44 | 35,493 |
| History by Picture - A | 0 | - | 4.26 | 45,776 |
| History by Picture - B | 0 | - | 4.40 | 48,924 |
| History by Picture - C | 0 | - | 4.36 | 54,458 |
| History by Picture - F | 0 | - | 4.35 | 37,869 |
| History by Picture - G | 0 | - | 4.40 | 42,128 |
| History by Picture - D | 0 | - | 4.29 | 44,300 |
| History by Picture - E | 0 | - | 4.27 | 43,915 |
| History by Picture - H | 0 | - | 4.37 | 36,784 |
| History by Picture - K | 0 | - | 4.35 | 33,347 |
| History by Picture - M | 0 | - | 4.17 | 36,139 |
| History by Picture - N | 0 | - | 4.40 | 41,248 |
| History by Picture - O | 0 | - | 4.39 | 36,301 |
| History by Picture - T | 0 | - | 4.20 | 33,304 |
| English Royal Consorts | 0 | - | 4.37 | 37,334 |
| Words for Leaders | 0 | - | 4.77 | 257,013 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 67,905 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,641 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,840 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,955 |
| Communist Countries in History | 0 | - | 4.63 | 495,162 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,344 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,816 |
| German History A-Z | 0 | - | 4.49 | 24,585 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,141 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,003 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,206 |
| All Country Flags of the World | 0 | - | 5.00 | 3,653,287 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,856 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,910 |
| Metals of Antiquity | 0 | - | 4.95 | 93,362 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,632 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,143 |
| History: What Came First? #2 | 0 | - | 4.81 | 79,415 |
| Trace the Route of Ibn Battuta on a Map | 0 | - | 4.99 | 22,581 |
| History - Did They Have It? | 0 | - | 4.84 | 61,725 |
| World Leaders by Picture | 0 | - | 4.36 | 265,004 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,453 |
| Dictators by Picture | 0 | - | 4.18 | 49,122 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,776 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,890 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,541 |
| WWII True or False? | 0 | - | 4.56 | 57,474 |
| Women in History by Picture | 0 | - | 4.25 | 25,904 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,709 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,873 |
| Roman Names for Places | 0 | - | 4.62 | 58,217 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,621 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,534 |
| History by Picture - I | 0 | - | 4.26 | 26,220 |
| History by Picture - J | 0 | - | 4.18 | 26,719 |
| History by Picture - L | 0 | - | 4.18 | 30,775 |
| History by Picture - P | 0 | - | 4.08 | 25,284 |
| History by Picture - Q | 0 | - | 4.03 | 22,077 |
| History by Picture - R | 0 | - | 4.13 | 26,839 |
| History by Picture - S | 0 | - | 4.14 | 27,779 |
| History by Picture - U | 0 | - | 4.24 | 25,122 |
| History by Picture - V | 0 | - | 4.30 | 25,093 |
| History by Picture - W | 0 | - | 4.01 | 21,635 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,227 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,113 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,930 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,973 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,276 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,725 |
| British Royal Titles | 0 | - | 4.18 | 19,943 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,492 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,426 |
| French History A-Z | 0 | - | 4.23 | 24,587 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,229 |
| Countries by Road Signs | 0 | - | 4.98 | 53,698 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,483 |
| Flags with Crescents | 0 | - | 4.98 | 169,228 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,408 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,026 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,852 |
| Country Flag Trivia | 0 | - | 4.81 | 56,873 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,541 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,319 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,169 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,158 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,095 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,680 |
| National Football Team Logos | 0 | - | 4.85 | 180,117 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,684 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,233 |
| Countries with NO Military | 0 | - | 4.97 | 62,037 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,141 |
| Influential Women in History | 0 | - | 4.42 | 35,525 |
| Cradles of Civilization | 0 | - | 4.46 | 39,582 |
| Materials From History #1 | 0 | - | 4.56 | 51,495 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,914 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,565 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,433 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,750 |
| All World Leaders 2026 | 0 | - | 4.94 | 18,864 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,843 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,972 |
| Flags of WW1 | 0 | - | 4.60 | 38,320 |
| Cold War Decoder | 0 | - | 4.83 | 52,287 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,091 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,795 |
| Famous Explorers | 0 | - | 4.58 | 36,132 |
| Famous Empires by Description | 0 | - | 4.73 | 118,376 |
| Answers by Time Period | 0 | - | 4.63 | 55,536 |
| The American Civil War | 0 | - | 4.62 | 52,387 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,259 |
| Political Quotes | 0 | - | 4.17 | 19,875 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,169 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,483 |
| The Life of King David | 0 | - | 4.37 | 14,116 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,851 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,487 |
| Trace the Route of Marco Polo on a Map | 0 | - | 5.00 | 42,241 |
| European History for Dummies | 0 | - | 4.83 | 89,805 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,609 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,510 |
| Animals in British History | 0 | - | 4.44 | 25,982 |
| Kings of France Quiz | 0 | - | 4.20 | 32,695 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,944 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,887 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,388 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,360 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,333 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,363 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,210 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,383 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,919 |
| Flags of Oceania | 0 | - | 5.00 | 258,471 |
| Flags of North and South America | 0 | - | 4.99 | 372,314 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,058 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,418 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,672 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,173 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,104 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,093 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,797 |
| Flags to Languages | 0 | - | 4.95 | 173,483 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,889 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,279 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,494 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,259 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,956 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,407 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,655 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,037 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,277 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,321 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,625 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,845 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,944 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,744 |
