| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,553 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,772 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,757 |
| Empires by Maps | 0 | - | 4.98 | 118,750 |
| First Names of Painters | 0 | - | 4.43 | 59,631 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,614 |
| Former Flags | 0 | - | 4.97 | 106,847 |
| Years in History by Picture | 0 | - | 4.44 | 35,157 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,617 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,974 |
| Military History Vocabulary | 0 | - | 4.91 | 66,710 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,768 |
| "Second Best" History Edition | 0 | - | 4.93 | 62,029 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,147 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,272 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,152 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,917 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,762 |
| WWII Geography | 0 | - | 4.81 | 119,443 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,834 |
| Name the War | 0 | - | 4.37 | 200,886 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,419 |
| Names for Warriors | 0 | - | 4.40 | 36,805 |
| History by Picture - A | 0 | - | 4.25 | 45,502 |
| History by Picture - B | 0 | - | 4.40 | 48,630 |
| History by Picture - C | 0 | - | 4.36 | 54,140 |
| History by Picture - F | 0 | - | 4.35 | 37,630 |
| History by Picture - G | 0 | - | 4.40 | 41,891 |
| History by Picture - D | 0 | - | 4.29 | 44,055 |
| History by Picture - E | 0 | - | 4.27 | 43,669 |
| History by Picture - H | 0 | - | 4.37 | 36,583 |
| History by Picture - K | 0 | - | 4.35 | 33,143 |
| History by Picture - M | 0 | - | 4.17 | 35,943 |
| History by Picture - N | 0 | - | 4.40 | 41,035 |
| History by Picture - O | 0 | - | 4.39 | 36,077 |
| History by Picture - T | 0 | - | 4.20 | 33,129 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,912 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,309 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,135 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,306,455 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,243 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,082 |
| Metals of Antiquity | 0 | - | 4.94 | 92,984 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,242 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,531 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,243 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,293 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,704 |
| WWI... or WWII? | 0 | - | 4.85 | 140,830 |
| Women in History by Picture | 0 | - | 4.25 | 25,776 |
| Famous Generals - Non U.S. | 0 | - | 4.58 | 15,021 |
| History by Picture - I | 0 | - | 4.26 | 26,049 |
| History by Picture - J | 0 | - | 4.18 | 26,560 |
| History by Picture - L | 0 | - | 4.18 | 30,590 |
| History by Picture - P | 0 | - | 4.08 | 25,137 |
| History by Picture - Q | 0 | - | 4.03 | 21,941 |
| History by Picture - R | 0 | - | 4.13 | 26,674 |
| History by Picture - S | 0 | - | 4.14 | 27,623 |
| History by Picture - U | 0 | - | 4.24 | 24,969 |
| History by Picture - V | 0 | - | 4.30 | 24,941 |
| History by Picture - W | 0 | - | 4.01 | 21,514 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,712 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,850 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,167 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,526 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,024 |
| Countries by Road Signs | 0 | - | 4.98 | 53,200 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,106 |
| All Country Flags of the World | 0 | - | 5.00 | 3,610,168 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,962 |
| Influential Women in History | 0 | - | 4.42 | 35,171 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,053 |
| Cradles of Civilization | 0 | - | 4.46 | 39,234 |
| Popular Royal Names | 0 | - | 4.27 | 124,537 |
| Materials From History #1 | 0 | - | 4.56 | 51,124 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,235 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,154 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,757 |
| Notable People of WWII | 0 | - | 4.53 | 85,352 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,481 |
| World War I Quiz | 0 | - | 4.78 | 100,335 |
| WWI A-Z | 0 | - | 4.50 | 38,050 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,321 |
| Famous Explorers | 0 | - | 4.58 | 35,999 |
| Famous Empires by Description | 0 | - | 4.73 | 118,006 |
| Answers by Time Period | 0 | - | 4.63 | 55,320 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,798 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,098 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,153 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,577 |
| Formula One Teams by Logos | 0 | - | 4.49 | 97,222 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,505 |
| History of The Netherlands | 0 | - | 4.46 | 17,332 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,679 |
| UN Secretaries-General | 0 | - | 4.40 | 7,769 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,556 |
| 17th Century A-Z | 0 | - | 4.78 | 34,189 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,736 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,909 |
| Most Important People in History | 0 | - | 3.98 | 50,444 |
| Flags with Crescents | 0 | - | 4.98 | 167,819 |
| Country Flag Trivia | 0 | - | 4.81 | 56,055 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,574 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,567 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,077 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,558 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,472 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,141 |
| National Football Team Logos | 0 | - | 4.84 | 178,897 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,345 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,888 |
| Countries with NO Military | 0 | - | 4.97 | 61,265 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,161 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,948 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,354 |
| Monarchies of the World | 0 | - | 4.94 | 166,847 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,816 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,065 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,565 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,716 |
| Disney Animated Characters | 0 | - | 4.88 | 599,521 |
| People on Money by Country | 0 | - | 4.83 | 60,035 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,981 |
| Fast Math - Addition | 0 | - | 4.87 | 520,225 |
| NATO Countries | 0 | - | 4.98 | 276,433 |
| EU Countries Quiz | 0 | - | 4.99 | 270,408 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,269 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,668 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,638 |
| Majority Muslim Countries | 0 | - | 4.98 | 369,077 |
| Astronomy Quiz | 0 | - | 4.90 | 81,855 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,930 |
| Solar System Trivia | 0 | - | 4.93 | 46,129 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,232 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,826 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,897 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 165,797 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,797 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,148 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,856 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,288 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,237 |
| Materials From History #2 | 0 | - | 4.59 | 31,285 |
| WWII Trivia #1 | 0 | - | 4.36 | 176,739 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,457 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,369 |
| WWII Decoder | 0 | - | 4.41 | 53,082 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,802 |
| WWII True or False? | 0 | - | 4.56 | 57,104 |
| Cold War Decoder | 0 | - | 4.83 | 51,989 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,331 |
| Events in History #2 | 0 | - | 4.49 | 71,464 |
| Events in History #4 | 0 | - | 4.44 | 44,135 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,508 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,851 |
| Assassinations in History | 0 | - | 4.21 | 66,007 |
| Famous Seconds | 0 | - | 4.22 | 46,412 |
| Ages and Eras | 0 | - | 4.38 | 67,506 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,420 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,661 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,067 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,848 |
| Female Historical Figures | 0 | - | 4.27 | 33,129 |
| Historical Blunders | 0 | - | 4.33 | 91,739 |
| People Who Died in Battle | 0 | - | 4.35 | 22,274 |
| Territorial Accessions | 0 | - | 4.38 | 34,668 |
| People Known as "The Great" | 0 | - | 4.46 | 24,555 |
| This Day in History - July | 0 | - | 4.49 | 36,378 |
| This Day in History - August | 0 | - | 4.42 | 43,264 |
| This Day in History - September | 0 | - | 4.55 | 57,286 |
| This Day in History - October | 0 | - | 4.49 | 37,558 |
| This Day in History - January | 0 | - | 4.50 | 46,589 |
| This Day in History - March | 0 | - | 4.45 | 43,554 |
| Ancient Civilizations | 0 | - | 4.63 | 37,785 |
| The Places They Went #1 | 0 | - | 4.74 | 33,455 |
| Famous Inventors | 0 | - | 4.43 | 43,468 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,536 |
| European History for Dummies | 0 | - | 4.83 | 89,396 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,329 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,675 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,795 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,800 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,992 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,555 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,098 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,316 |
| Flags of North and South America | 0 | - | 4.99 | 368,182 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,236 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,657 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,182 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,533 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,608 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,889 |
| Flags to Languages | 0 | - | 4.95 | 172,652 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,622 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,533 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,934 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,696 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,421 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,922 |
