| Art Works Picture Quiz #1 | 0 | - | 4.52 | 115,291 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 95,870 |
| Art Works Picture Quiz #3 | 0 | - | 4.44 | 47,115 |
| Former Countries by Territory Map | 0 | - | 4.96 | 97,726 |
| Empires by Maps | 0 | - | 4.98 | 112,558 |
| First Names of Painters | 0 | - | 4.41 | 58,625 |
| WWII Figures by Picture | 0 | - | 4.83 | 48,019 |
| Former Flags | 0 | - | 4.98 | 103,719 |
| Years in History by Picture | 0 | - | 4.43 | 33,784 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 71,771 |
| Invasions | 0 | - | 4.63 | 95,077 |
| Names for Warriors | 0 | - | 4.41 | 36,301 |
| Military History Vocabulary | 0 | - | 4.91 | 65,109 |
| Name that Historical Figure #1 | 0 | - | 4.62 | 325,431 |
| "Second Best" History Edition | 0 | - | 4.94 | 58,206 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 39,307 |
| Territory Changes in World War I | 0 | - | 4.89 | 44,782 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 44,880 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 266,728 |
| Name that Historical Figure #5 | 0 | - | 4.42 | 102,309 |
| WWII Geography | 0 | - | 4.81 | 116,724 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,336 |
| Name the War Quiz | 0 | - | 4.37 | 198,568 |
| Famous U.S. Generals | 0 | - | 4.26 | 38,104 |
| Religions by Country of Origin Quiz | 0 | - | 4.28 | 75,486 |
| History by Picture - A | 0 | - | 4.24 | 44,257 |
| History by Picture - B | 0 | - | 4.38 | 47,322 |
| History by Picture - C | 0 | - | 4.36 | 52,733 |
| History by Picture - F | 0 | - | 4.33 | 36,532 |
| History by Picture - G | 0 | - | 4.38 | 40,808 |
| History by Picture - D | 0 | - | 4.30 | 42,848 |
| History by Picture - E | 0 | - | 4.27 | 42,524 |
| History by Picture - H | 0 | - | 4.36 | 35,555 |
| History by Picture - K | 0 | - | 4.33 | 32,252 |
| History by Picture - M | 0 | - | 4.17 | 35,052 |
| History by Picture - N | 0 | - | 4.39 | 40,001 |
| History by Picture - O | 0 | - | 4.38 | 35,102 |
| History by Picture - T | 0 | - | 4.28 | 32,277 |
| Famous Dictators Quiz #1 | 0 | - | 4.69 | 194,978 |
| Ultimate 20th Century History Quiz | 0 | - | 4.84 | 51,734 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,270,062 |
| Historical Leaders by Date #1 | 0 | - | 4.49 | 30,571 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 29,431 |
| Metals of Antiquity | 0 | - | 4.93 | 91,102 |
| Historical Rulers #2 | 0 | - | 4.26 | 46,250 |
| Historical Rulers #1 | 0 | - | 4.35 | 116,792 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 44,599 |
| History: What Came First? #1 | 0 | - | 4.86 | 101,079 |
| World Leaders Quiz #1 | 0 | - | 4.13 | 107,555 |
| WWI... or WWII? | 0 | - | 4.84 | 136,376 |
| Women in History by Picture | 0 | - | 4.27 | 25,220 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 14,680 |
| History by Picture - I | 0 | - | 4.26 | 25,293 |
| History by Picture - J | 0 | - | 4.21 | 25,812 |
| History by Picture - L | 0 | - | 4.21 | 29,803 |
| History by Picture - P | 0 | - | 4.07 | 24,457 |
| History by Picture - Q | 0 | - | 4.02 | 21,350 |
| History by Picture - R | 0 | - | 4.11 | 25,911 |
| History by Picture - S | 0 | - | 4.11 | 26,912 |
| History by Picture - U | 0 | - | 4.23 | 24,282 |
| History by Picture - V | 0 | - | 4.28 | 24,256 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 68,147 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 231,369 |
| Name that Historical Figure #4 | 0 | - | 4.30 | 153,304 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 88,753 |
| Islands by Shape #2 | 0 | - | 4.87 | 48,880 |
| Countries by Road Signs | 0 | - | 4.98 | 51,035 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 59,230 |
| All Country Flags of the World | 0 | - | 5.00 | 3,425,556 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 151,664 |
| Influential Women in History | 0 | - | 4.41 | 33,501 |
| Google What's the Difference? - History | 0 | - | 4.19 | 45,389 |
| Cradles of Civilization | 0 | - | 4.44 | 37,538 |
| Popular Royal Names | 0 | - | 4.28 | 122,537 |
| Materials From History #1 | 0 | - | 4.56 | 49,376 |
| Historical Countries by Ruler | 0 | - | 4.46 | 46,228 |
| Famous Dictators Quiz #2 | 0 | - | 4.35 | 85,205 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 694,398 |
| Notable People of WWII | 0 | - | 4.53 | 84,294 |
| WWII Trivia #2 | 0 | - | 4.51 | 101,161 |
| World War I Quiz | 0 | - | 4.78 | 98,219 |
| WWI A-Z | 0 | - | 4.49 | 37,395 |
| Biggest Nations and Empires Ever | 0 | - | 4.45 | 143,024 |
| Famous Explorers | 0 | - | 4.58 | 35,291 |
| Famous Empires in History | 0 | - | 4.78 | 115,585 |
| Answers by Time Period | 0 | - | 4.61 | 54,411 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,489,420 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,069,173 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 716,620 |
| A-Z Cities by Pictures | 0 | - | 4.55 | 42,574 |
| Formula One Teams by Logos | 0 | - | 4.48 | 81,271 |
| Top 10 Oldest African Countries | 0 | - | 4.86 | 26,330 |
| History of The Netherlands | 0 | - | 4.46 | 16,872 |
| World Leaders Quiz #2 | 0 | - | 3.96 | 31,798 |
| UN Secretaries-General | 0 | - | 4.40 | 7,644 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.05 | 19,280 |
| 17th Century A-Z | 0 | - | 4.75 | 32,958 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 39,654 |
| Most Important People in History | 0 | - | 3.99 | 49,448 |
| Flags with Crescents | 0 | - | 4.98 | 161,161 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 98,041 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 65,355 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 81,136 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 63,610 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.83 | 81,563 |
| Flag Maths | 0 | - | 4.90 | 56,504 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 49,392 |
| National Football Team Logos | 0 | - | 4.85 | 173,315 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 273,886 |
| Countries with Nuclear Weapons | 0 | - | 4.87 | 253,544 |
| Countries with NO Military | 0 | - | 4.97 | 58,077 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 82,753 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 141,736 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 40,278 |
| Monarchies of the World | 0 | - | 4.93 | 160,529 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 108,048 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 107,178 |
| Countries where the Sea Freezes | 0 | - | 4.92 | 107,056 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 72,688 |
| Disney Animated Characters | 0 | - | 4.87 | 592,642 |
| People on Money by Country | 0 | - | 4.83 | 58,684 |
| Countries by Number of Books Published | 0 | - | 4.95 | 69,967 |
| Fast Math - Addition | 0 | - | 4.85 | 511,090 |
| NATO Countries Quiz | 0 | - | 4.98 | 262,047 |
| EU Countries Quiz | 0 | - | 4.99 | 258,927 |
| Top Five Countries by Religion | 0 | - | 4.91 | 161,959 |
| 7 Deadly Sins Quiz | 0 | - | 4.87 | 381,215 |
| Books of the Protestant Bible | 0 | - | 4.87 | 199,495 |
| Majority Muslim Countries | 0 | - | 4.98 | 356,485 |
| Astronomy Quiz | 0 | - | 4.89 | 78,823 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 130,764 |
| Solar System Trivia | 0 | - | 4.93 | 43,894 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 63,343 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 99,135 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 123,884 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 145,879 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.90 | 83,940 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.81 | 31,687 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.85 | 36,912 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 115,048 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 69,531 |
| Historical Events - AD or BC? | 0 | - | 4.74 | 56,026 |
| Materials From History #2 | 0 | - | 4.59 | 30,487 |
| WWII Trivia #1 | 0 | - | 4.36 | 172,889 |
| WWII A-Z #1 | 0 | - | 4.80 | 100,524 |
| WWII A-Z #2 | 0 | - | 4.44 | 53,362 |
| WWII Decoder | 0 | - | 4.41 | 52,027 |
| Name a Valid Answer - World War II | 0 | - | 4.52 | 53,343 |
| Cold War Decoder | 0 | - | 4.82 | 50,572 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 38,958 |
| Events in History #2 | 0 | - | 4.49 | 70,214 |
| Events in History #4 | 0 | - | 4.43 | 43,302 |
| Name a Valid Year in History | 0 | - | 4.92 | 63,433 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.20 | 48,310 |
| Assassinations in History Quiz | 0 | - | 4.19 | 65,235 |
| Famous Seconds Quiz | 0 | - | 4.21 | 46,036 |
| Ages and Eras Quiz | 0 | - | 4.38 | 66,738 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,148 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,171 |
| Titled People Quiz #3 | 0 | - | 4.33 | 42,608 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,320 |
| Female Historical Figures | 0 | - | 4.31 | 32,642 |
| Historical Blunders | 0 | - | 4.33 | 90,825 |
| Disasters in History | 0 | - | 4.42 | 25,212 |
| People Who Died in Battle | 0 | - | 4.35 | 22,068 |
| Territorial Accessions | 0 | - | 4.38 | 34,170 |
| People Known as "The Great" | 0 | - | 4.45 | 24,121 |
| This Day in History - July | 0 | - | 4.48 | 36,083 |
| This Day in History - August | 0 | - | 4.41 | 42,904 |
| This Day in History - September | 0 | - | 4.55 | 56,728 |
| This Day in History - October | 0 | - | 4.48 | 37,271 |
| This Day in History - January | 0 | - | 4.53 | 46,119 |
| This Day in History - March | 0 | - | 4.45 | 43,145 |
| The 7 Wonders of the Ancient World | 0 | - | 4.80 | 67,858 |
| Ancient Civilizations | 0 | - | 4.63 | 36,775 |
| The Places They Went #1 | 0 | - | 4.75 | 33,194 |
| History by Picture - W | 0 | - | 4.00 | 20,943 |
| Famous Inventors | 0 | - | 4.43 | 43,212 |
| European History for Dummies | 0 | - | 4.82 | 87,214 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.10 | 998,671 |
| Four Countries with Similar Flags #2 | 0 | - | 4.91 | 43,294 |
| Four Countries with Similar Flags #1 | 0 | - | 4.96 | 51,521 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,160,946 |
| Flags of Asia Quiz | 0 | - | 4.99 | 580,998 |
| Countries With Blue and White Flags | 0 | - | 4.88 | 96,669 |
| Flags of Africa Quiz | 0 | - | 5.00 | 438,688 |
| Flags of North and South America | 0 | - | 4.99 | 342,968 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 136,939 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 109,096 |
| Flags with the Most Stars | 0 | - | 4.90 | 119,880 |
| Flags that are Red & White Only | 0 | - | 4.97 | 141,121 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 139,859 |
| Flags to Languages | 0 | - | 4.95 | 168,645 |
| Flags of the Countries with Four Letters | 0 | - | 4.92 | 49,810 |
| Country Flags with the Most Red | 0 | - | 4.98 | 115,092 |
| Country Flags with the Most Green | 0 | - | 4.96 | 95,998 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 95,866 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 95,771 |
| Country Flags with the Most Black | 0 | - | 4.95 | 94,361 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 65,746 |
