| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,519 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,724 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,544 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,702 |
| Empires by Maps | 0 | - | 4.98 | 118,668 |
| First Names of Painters | 0 | - | 4.43 | 59,613 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,592 |
| Former Flags | 0 | - | 4.97 | 106,802 |
| Years in History by Picture | 0 | - | 4.44 | 35,140 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,592 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,954 |
| Military History Vocabulary | 0 | - | 4.91 | 66,693 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,674 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,957 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,131 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,258 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,144 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,825 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,714 |
| WWII Geography | 0 | - | 4.81 | 119,408 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,823 |
| Name the War | 0 | - | 4.37 | 200,833 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,416 |
| Names for Warriors | 0 | - | 4.40 | 36,800 |
| History by Picture - A | 0 | - | 4.25 | 45,481 |
| History by Picture - B | 0 | - | 4.40 | 48,608 |
| History by Picture - C | 0 | - | 4.36 | 54,109 |
| History by Picture - F | 0 | - | 4.35 | 37,607 |
| History by Picture - G | 0 | - | 4.40 | 41,876 |
| History by Picture - D | 0 | - | 4.29 | 44,030 |
| History by Picture - E | 0 | - | 4.27 | 43,648 |
| History by Picture - H | 0 | - | 4.37 | 36,564 |
| History by Picture - K | 0 | - | 4.35 | 33,128 |
| History by Picture - M | 0 | - | 4.17 | 35,933 |
| History by Picture - N | 0 | - | 4.40 | 41,019 |
| History by Picture - O | 0 | - | 4.39 | 36,066 |
| History by Picture - T | 0 | - | 4.20 | 33,113 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,868 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,287 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,120 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,305,875 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,234 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,074 |
| Metals of Antiquity | 0 | - | 4.94 | 92,958 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,228 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,514 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,223 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,260 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,680 |
| WWI... or WWII? | 0 | - | 4.85 | 140,769 |
| Women in History by Picture | 0 | - | 4.25 | 25,771 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,018 |
| History by Picture - I | 0 | - | 4.26 | 26,034 |
| History by Picture - J | 0 | - | 4.18 | 26,545 |
| History by Picture - L | 0 | - | 4.18 | 30,580 |
| History by Picture - P | 0 | - | 4.08 | 25,121 |
| History by Picture - Q | 0 | - | 4.03 | 21,933 |
| History by Picture - R | 0 | - | 4.13 | 26,661 |
| History by Picture - S | 0 | - | 4.14 | 27,606 |
| History by Picture - U | 0 | - | 4.24 | 24,957 |
| History by Picture - V | 0 | - | 4.30 | 24,928 |
| History by Picture - W | 0 | - | 4.01 | 21,505 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,689 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,772 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,118 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,482 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,012 |
| Countries by Road Signs | 0 | - | 4.98 | 53,159 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,085 |
| All Country Flags of the World | 0 | - | 5.00 | 3,607,210 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,901 |
| Influential Women in History | 0 | - | 4.42 | 35,123 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,043 |
| Cradles of Civilization | 0 | - | 4.46 | 39,179 |
| Popular Royal Names | 0 | - | 4.27 | 124,513 |
| Materials From History #1 | 0 | - | 4.56 | 50,881 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,200 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,135 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,622 |
| Notable People of WWII | 0 | - | 4.53 | 85,338 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,462 |
| World War I Quiz | 0 | - | 4.78 | 100,314 |
| WWI A-Z | 0 | - | 4.50 | 38,042 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,283 |
| Famous Explorers | 0 | - | 4.58 | 35,989 |
| Famous Empires by Description | 0 | - | 4.73 | 117,983 |
| Answers by Time Period | 0 | - | 4.63 | 55,305 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,325 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,857 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,004 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,562 |
| Formula One Teams by Logos | 0 | - | 4.49 | 97,051 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,487 |
| History of The Netherlands | 0 | - | 4.46 | 17,325 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,671 |
| UN Secretaries-General | 0 | - | 4.40 | 7,769 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,552 |
| 17th Century A-Z | 0 | - | 4.78 | 34,179 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,724 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,894 |
| Most Important People in History | 0 | - | 3.98 | 50,424 |
| Flags with Crescents | 0 | - | 4.98 | 167,727 |
| Country Flag Trivia | 0 | - | 4.81 | 56,007 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,524 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,536 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,034 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,521 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,441 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,105 |
| National Football Team Logos | 0 | - | 4.84 | 178,837 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,202 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,712 |
| Countries with NO Military | 0 | - | 4.97 | 61,235 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,140 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,879 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,342 |
| Monarchies of the World | 0 | - | 4.94 | 166,764 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,626 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,009 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,536 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,694 |
| Disney Animated Characters | 0 | - | 4.88 | 599,430 |
| People on Money by Country | 0 | - | 4.84 | 60,016 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,957 |
| Fast Math - Addition | 0 | - | 4.87 | 520,069 |
| NATO Countries | 0 | - | 4.98 | 276,213 |
| EU Countries Quiz | 0 | - | 4.99 | 270,255 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,191 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,454 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,484 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,782 |
| Astronomy Quiz | 0 | - | 4.90 | 81,804 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,877 |
| Solar System Trivia | 0 | - | 4.93 | 46,101 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,212 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,797 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,797 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 165,711 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,767 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,121 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,828 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,277 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,227 |
| Materials From History #2 | 0 | - | 4.59 | 31,099 |
| WWII Trivia #1 | 0 | - | 4.36 | 176,708 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,435 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,354 |
| WWII Decoder | 0 | - | 4.41 | 53,071 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,788 |
| WWII True or False? | 0 | - | 4.56 | 57,089 |
| Cold War Decoder | 0 | - | 4.83 | 51,971 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,329 |
| Events in History #2 | 0 | - | 4.49 | 71,456 |
| Events in History #4 | 0 | - | 4.44 | 44,128 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,478 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,838 |
| Assassinations in History | 0 | - | 4.21 | 65,989 |
| Famous Seconds | 0 | - | 4.22 | 46,403 |
| Ages and Eras | 0 | - | 4.38 | 67,488 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,416 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,638 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,055 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,837 |
| Female Historical Figures | 0 | - | 4.27 | 33,119 |
| Historical Blunders | 0 | - | 4.33 | 91,724 |
| People Who Died in Battle | 0 | - | 4.35 | 22,272 |
| Territorial Accessions | 0 | - | 4.38 | 34,656 |
| People Known as "The Great" | 0 | - | 4.46 | 24,540 |
| This Day in History - July | 0 | - | 4.49 | 36,374 |
| This Day in History - August | 0 | - | 4.42 | 43,260 |
| This Day in History - September | 0 | - | 4.55 | 57,275 |
| This Day in History - October | 0 | - | 4.49 | 37,555 |
| This Day in History - January | 0 | - | 4.53 | 46,583 |
| This Day in History - March | 0 | - | 4.45 | 43,549 |
| Ancient Civilizations | 0 | - | 4.63 | 37,776 |
| The Places They Went #1 | 0 | - | 4.74 | 33,453 |
| Famous Inventors | 0 | - | 4.43 | 43,464 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,514 |
| European History for Dummies | 0 | - | 4.83 | 89,371 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,171 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,653 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,735 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,751 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,268 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,219 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,082 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,985 |
| Flags of North and South America | 0 | - | 4.99 | 367,893 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,074 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,517 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,086 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,481 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,254 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,812 |
| Flags to Languages | 0 | - | 4.95 | 172,605 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,500 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,489 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,898 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,664 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,391 |
