| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,172 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,700 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,552 |
| Empires by Maps | 0 | - | 4.98 | 119,975 |
| First Names of Painters | 0 | - | 4.43 | 59,807 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,149 |
| Former Flags | 0 | - | 4.97 | 107,475 |
| Years in History by Picture | 0 | - | 4.44 | 35,443 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,995 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,321 |
| Military History Vocabulary | 0 | - | 4.91 | 67,034 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,109 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,774 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,370 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,659 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,376 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,166 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,459 |
| WWII Geography | 0 | - | 4.81 | 120,127 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,960 |
| Name the War | 0 | - | 4.37 | 201,462 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,521 |
| Names for Warriors | 0 | - | 4.40 | 36,902 |
| History by Picture - A | 0 | - | 4.26 | 45,748 |
| History by Picture - B | 0 | - | 4.40 | 48,895 |
| History by Picture - C | 0 | - | 4.36 | 54,423 |
| History by Picture - F | 0 | - | 4.35 | 37,844 |
| History by Picture - G | 0 | - | 4.40 | 42,106 |
| History by Picture - D | 0 | - | 4.29 | 44,276 |
| History by Picture - E | 0 | - | 4.27 | 43,883 |
| History by Picture - H | 0 | - | 4.37 | 36,759 |
| History by Picture - K | 0 | - | 4.35 | 33,328 |
| History by Picture - M | 0 | - | 4.17 | 36,118 |
| History by Picture - N | 0 | - | 4.40 | 41,223 |
| History by Picture - O | 0 | - | 4.39 | 36,281 |
| History by Picture - T | 0 | - | 4.20 | 33,282 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,477 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,609 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,329 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,911 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,360 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,185 |
| Metals of Antiquity | 0 | - | 4.95 | 93,312 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,391 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,785 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,587 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,074 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,932 |
| WWI... or WWII? | 0 | - | 4.85 | 141,894 |
| Women in History by Picture | 0 | - | 4.25 | 25,889 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,121 |
| History by Picture - I | 0 | - | 4.26 | 26,195 |
| History by Picture - J | 0 | - | 4.18 | 26,704 |
| History by Picture - L | 0 | - | 4.18 | 30,754 |
| History by Picture - P | 0 | - | 4.08 | 25,271 |
| History by Picture - Q | 0 | - | 4.03 | 22,066 |
| History by Picture - R | 0 | - | 4.13 | 26,827 |
| History by Picture - S | 0 | - | 4.14 | 27,760 |
| History by Picture - U | 0 | - | 4.24 | 25,106 |
| History by Picture - V | 0 | - | 4.30 | 25,073 |
| History by Picture - W | 0 | - | 4.01 | 21,622 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,192 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,055 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,924 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,151 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,198 |
| Countries by Road Signs | 0 | - | 4.98 | 53,645 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,442 |
| All Country Flags of the World | 0 | - | 5.00 | 3,648,819 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,857 |
| Influential Women in History | 0 | - | 4.42 | 35,506 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,194 |
| Cradles of Civilization | 0 | - | 4.46 | 39,560 |
| Popular Royal Names | 0 | - | 4.27 | 124,847 |
| Materials From History #1 | 0 | - | 4.56 | 51,482 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,542 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,390 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,668 |
| Notable People of WWII | 0 | - | 4.53 | 85,842 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,868 |
| World War I Quiz | 0 | - | 4.78 | 101,141 |
| WWI A-Z | 0 | - | 4.50 | 38,269 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,744 |
| Famous Explorers | 0 | - | 4.58 | 36,121 |
| Famous Empires by Description | 0 | - | 4.73 | 118,327 |
| Answers by Time Period | 0 | - | 4.64 | 55,515 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,601 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,603 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,570 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,780 |
| Formula One Teams by Logos | 0 | - | 4.49 | 98,761 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,885 |
| History of The Netherlands | 0 | - | 4.46 | 17,407 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,812 |
| UN Secretaries-General | 0 | - | 4.40 | 7,786 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,598 |
| 17th Century A-Z | 0 | - | 4.78 | 34,600 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,949 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,236 |
| Most Important People in History | 0 | - | 3.97 | 50,645 |
| Flags with Crescents | 0 | - | 4.98 | 169,099 |
| Country Flag Trivia | 0 | - | 4.81 | 56,783 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,434 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,248 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,044 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,110 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,020 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,623 |
| National Football Team Logos | 0 | - | 4.85 | 179,967 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,439 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,890 |
| Countries with NO Military | 0 | - | 4.97 | 61,955 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,809 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,991 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,507 |
| Monarchies of the World | 0 | - | 4.94 | 168,249 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,345 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,589 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,104 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,004 |
| Disney Animated Characters | 0 | - | 4.88 | 600,985 |
| People on Money by Country | 0 | - | 4.83 | 60,283 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,399 |
| Fast Math - Addition | 0 | - | 4.87 | 522,191 |
| NATO Countries | 0 | - | 4.98 | 279,295 |
| EU Countries Quiz | 0 | - | 4.99 | 272,884 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,748 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,147 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,429 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,202 |
| Astronomy Quiz | 0 | - | 4.90 | 82,398 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,906 |
| Solar System Trivia | 0 | - | 4.93 | 46,501 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,559 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,251 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 130,018 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 167,516 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,383 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 39,586 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,164 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,398 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,521 |
| Materials From History #2 | 0 | - | 4.59 | 31,453 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,877 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,455 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,854 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,596 |
| WWII Decoder | 0 | - | 4.41 | 53,476 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,293 |
| WWII True or False? | 0 | - | 4.56 | 57,427 |
| Cold War Decoder | 0 | - | 4.83 | 52,257 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,386 |
| Events in History #2 | 0 | - | 4.49 | 71,641 |
| Events in History #4 | 0 | - | 4.44 | 44,264 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,034 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,962 |
| Assassinations in History | 0 | - | 4.21 | 66,155 |
| Famous Seconds | 0 | - | 4.22 | 46,548 |
| Ages and Eras | 0 | - | 4.39 | 67,651 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,473 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,763 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,144 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,956 |
| Female Historical Figures | 0 | - | 4.28 | 33,223 |
| Historical Blunders | 0 | - | 4.34 | 91,897 |
| People Who Died in Battle | 0 | - | 4.35 | 22,308 |
| Territorial Accessions | 0 | - | 4.36 | 34,762 |
| People Known as "The Great" | 0 | - | 4.46 | 24,636 |
| This Day in History - July | 0 | - | 4.49 | 36,435 |
| This Day in History - August | 0 | - | 4.42 | 43,336 |
| This Day in History - September | 0 | - | 4.55 | 57,400 |
| This Day in History - October | 0 | - | 4.49 | 37,606 |
| This Day in History - January | 0 | - | 4.50 | 46,677 |
| This Day in History - March | 0 | - | 4.45 | 43,640 |
| Ancient Civilizations | 0 | - | 4.64 | 37,919 |
| The Places They Went #1 | 0 | - | 4.74 | 33,513 |
| Famous Inventors | 0 | - | 4.44 | 43,522 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,816 |
| European History for Dummies | 0 | - | 4.83 | 89,756 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,013,189 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,868 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,326 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,306 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,088 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,484 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,353 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,329 |
| Flags of North and South America | 0 | - | 4.99 | 371,948 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,300 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,564 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,079 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,054 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,012 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,691 |
| Flags to Languages | 0 | - | 4.95 | 173,400 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,789 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,188 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,437 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,193 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,895 |
