| WWII Figures by Picture | 0 | - | 4.89 | 66,482 |
| WWII Geography | 0 | - | 4.81 | 121,496 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,427 |
| WWII Decoder | 0 | - | 4.41 | 53,906 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,954 |
| Countries in World War I | 0 | - | 4.88 | 229,414 |
| Countries in World War II | 0 | - | 4.54 | 920,189 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,783 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,077 |
| Important Cities in WWII | 0 | - | 4.42 | 94,266 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,390 |
| WWII for Dummies | 0 | - | 4.78 | 105,849 |
| WWII Movies by Plot | 0 | - | 4.22 | 27,183 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,464 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,938 |
| Military History Vocabulary | 0 | - | 4.92 | 67,755 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,199 |
| Empires by Maps | 0 | - | 4.98 | 122,521 |
| Name the English Monarchs | 0 | - | 4.91 | 507,279 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,353 |
| Countries by Percent WWII Deaths | 0 | - | 4.05 | 30,252 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,880 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,669 |
| Countries with NO Military | 0 | - | 4.97 | 63,597 |
| Former Flags | 0 | - | 4.97 | 108,807 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,129 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,456 |
| Years in History by Picture | 0 | - | 4.45 | 35,933 |
| Battle to Country | 0 | - | 4.91 | 54,101 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,950 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,015 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,663 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,794 |
| The Trojan War | 0 | - | 4.83 | 40,043 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,147 |
| WWII First Names | 0 | - | 4.45 | 42,011 |
| The American Civil War | 0 | - | 4.62 | 52,656 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,680 |
| Roman Emperors | 0 | - | 4.95 | 121,401 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,999 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,016 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,384 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,657 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,380 |
| World Leaders of the Cold War | 0 | - | 4.26 | 25,480 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,753 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,971 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,104 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,023 |
| WWI... or WWII? | 0 | - | 4.85 | 143,797 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,212 |
| History by Picture - A | 0 | - | 4.26 | 46,224 |
| History by Picture - B | 0 | - | 4.40 | 49,424 |
| History by Picture - C | 0 | - | 4.33 | 54,963 |
| History by Picture - F | 0 | - | 4.35 | 38,258 |
| History by Picture - G | 0 | - | 4.40 | 42,496 |
| History by Picture - D | 0 | - | 4.29 | 44,721 |
| History by Picture - E | 0 | - | 4.25 | 44,304 |
| History by Picture - H | 0 | - | 4.37 | 37,143 |
| History by Picture - K | 0 | - | 4.35 | 33,670 |
| History by Picture - M | 0 | - | 4.17 | 36,447 |
| History by Picture - N | 0 | - | 4.40 | 41,585 |
| History by Picture - O | 0 | - | 4.39 | 36,597 |
| History by Picture - T | 0 | - | 4.20 | 33,593 |
| English Royal Consorts | 0 | - | 4.38 | 37,556 |
| Kings of France Quiz | 0 | - | 4.22 | 32,966 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,476 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,804 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,590 |
| Words for Leaders | 0 | - | 4.77 | 259,220 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,371 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,103 |
| Communist Countries in History | 0 | - | 4.63 | 498,712 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,663 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 248,773 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,262 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,080 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,246 |
| All Country Flags of the World | 0 | - | 5.00 | 3,724,099 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,685 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,672 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,590 |
| Metals of Antiquity | 0 | - | 4.95 | 94,020 |
| Popular Royal Names | 0 | - | 4.27 | 125,453 |
| History of The Netherlands | 0 | - | 4.46 | 17,571 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,221 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,125 |
| History - Did They Have It? | 0 | - | 4.85 | 62,335 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,862 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,652 |
| First Names of Painters | 0 | - | 4.43 | 60,104 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,226 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 94,498 |
| Women in History by Picture | 0 | - | 4.25 | 26,068 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,277 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,069 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,815 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,041 |
| History by Picture - I | 0 | - | 4.24 | 26,501 |
| History by Picture - J | 0 | - | 4.18 | 26,992 |
| History by Picture - L | 0 | - | 4.18 | 31,063 |
| History by Picture - P | 0 | - | 4.08 | 25,523 |
| History by Picture - Q | 0 | - | 4.03 | 22,295 |
| History by Picture - R | 0 | - | 4.13 | 27,092 |
| History by Picture - S | 0 | - | 4.14 | 28,022 |
| History by Picture - U | 0 | - | 4.25 | 25,368 |
| History by Picture - V | 0 | - | 4.31 | 25,350 |
| History by Picture - W | 0 | - | 4.01 | 21,843 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,711 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,892 |
| Medieval English History | 0 | - | 4.53 | 43,687 |
| British Royal Titles | 0 | - | 4.18 | 20,031 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,575 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,404 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,376 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,824 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,720 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 38,285 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,321 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 51,015 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,188 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,835 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,901 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,189 |
| 2010s Obituaries | 0 | - | 4.46 | 26,234 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,596 |
| Countries by Road Signs | 0 | - | 4.98 | 54,442 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,277 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,698 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,184 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,099 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,226 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,152 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,299 |
| Influential Women in History | 0 | - | 4.43 | 36,562 |
| Cradles of Civilization | 0 | - | 4.46 | 40,540 |
| Russian History A-Z | 0 | - | 4.35 | 32,292 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,257 |
| Materials From History #1 | 0 | - | 4.56 | 52,120 |
| Materials From History #2 | 0 | - | 4.59 | 31,625 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,507 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,340 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,900 |
| UN Secretaries-General | 0 | - | 4.40 | 7,855 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,701 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,425 |
| Former Capitals | 0 | - | 4.88 | 71,726 |
| World War II Multiple Choice | 0 | - | 4.39 | 114,683 |
| WWII True or False? | 0 | - | 4.57 | 58,086 |
| Cold War Decoder | 0 | - | 4.83 | 52,705 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,094 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,748 |
| Famous Explorers | 0 | - | 4.58 | 36,407 |
| Famous Empires by Description | 0 | - | 4.73 | 119,057 |
| Answers by Time Period | 0 | - | 4.64 | 55,935 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 42,323 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,374 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,260 |
| Roman Names for Places | 0 | - | 4.62 | 58,778 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,889 |
| Embarrassing Chapters in British History | 0 | - | 4.30 | 32,405 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,351 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,103 |
| French History Multiple Choice | 0 | - | 4.55 | 33,276 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,331 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,306 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,796 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 50,269 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,718 |
| European History for Dummies | 0 | - | 4.83 | 90,470 |
| British History A-Z #1 | 0 | - | 4.45 | 47,319 |
| History of Scotland | 0 | - | 4.51 | 21,190 |
| French History A-Z | 0 | - | 4.27 | 25,188 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,302 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,565 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,488 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,536 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,062 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,781 |
| Flags with Crescents | 0 | - | 4.98 | 171,722 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,857 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,951 |
| Flags of North and South America | 0 | - | 4.99 | 378,051 |
| Country Flag Trivia | 0 | - | 4.82 | 58,287 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,607 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,597 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,198 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,341 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,158 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,622 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,801 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,571 |
| Flags to Languages | 0 | - | 4.95 | 174,684 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,897 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,542 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,479 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,281 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,865 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,282 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,188 |
