| Former Countries by Territory Map | 0 | - | 4.96 | 94,516 |
| Empires by Maps | 0 | - | 4.98 | 107,838 |
| WWII Figures by Picture | 0 | - | 4.83 | 46,101 |
| Name that Historical Figure #1 | 0 | - | 4.64 | 308,822 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 260,612 |
| Name that Historical Figure #5 | 0 | - | 4.42 | 98,500 |
| Former Flags | 0 | - | 4.98 | 101,365 |
| Years in History by Picture | 0 | - | 4.45 | 32,588 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 225,806 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 148,989 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 85,473 |
| Women in History by Picture | 0 | - | 4.32 | 24,770 |
| Military History Vocabulary | 0 | - | 4.91 | 63,932 |
| Countries that Start with A | 0 | - | 4.98 | 2,061,177 |
| Countries that Start with B | 0 | - | 4.95 | 2,198,941 |
| Countries that Start with C | 0 | - | 4.96 | 1,744,158 |
| Countries that Start with D | 0 | - | 4.96 | 656,900 |
| Countries that Start with E | 0 | - | 4.95 | 1,312,360 |
| Countries that Start with G | 0 | - | 4.97 | 1,434,804 |
| Countries that Start with H | 0 | - | 4.96 | 560,117 |
| Countries that Start with I | 0 | - | 4.92 | 1,234,666 |
| Countries that Start with J | 0 | - | 4.98 | 560,463 |
| Countries that Start with K | 0 | - | 4.97 | 771,056 |
| Countries that Start with L | 0 | - | 4.98 | 1,038,004 |
| Countries that Start with N | 0 | - | 4.93 | 1,064,415 |
| Countries that Start with P | 0 | - | 4.95 | 1,164,733 |
| Countries that Start with S | 0 | - | 4.98 | 1,687,660 |
| Countries that Start with T | 0 | - | 4.89 | 968,863 |
| Countries that Start with U | 0 | - | 4.97 | 870,102 |
| Countries that Start with V | 0 | - | 4.98 | 582,242 |
| Countries that Start with F | 0 | - | 4.83 | 580,877 |
| Countries that Start with M | 0 | - | 4.97 | 1,324,504 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 63,985 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 65,628 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 56,660 |
| A-Z Cities by Pictures | 0 | - | 4.55 | 41,851 |
| English Monarchs Quiz | 0 | - | 4.90 | 475,655 |
| Richest Countries A-Z | 0 | - | 4.93 | 95,878 |
| Largest City on Every Continent A-Z | 0 | - | 4.96 | 35,386 |
| "Second Best" History Edition | 0 | - | 4.95 | 55,087 |
| G7 Leaders Since 2003 | 0 | - | 4.47 | 41,063 |
| WWII Geography | 0 | - | 4.82 | 114,760 |
| One Country By Letter By Continent | 0 | - | 5.00 | 86,165 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 15,434 |
| Name a World Capital A-Z | 0 | - | 5.00 | 168,355 |
| Name a Country A-Z | 0 | - | 5.00 | 225,290 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 94,275 |
| Ancient Greece A-Z | 0 | - | 4.61 | 22,061 |
| Famous Dictators Quiz #1 | 0 | - | 4.69 | 192,295 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 103,590 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 92,423 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 45,208 |
| Ultimate 20th Century History Quiz | 0 | - | 4.84 | 50,287 |
| History by Picture - A | 0 | - | 4.24 | 43,249 |
| History by Picture - B | 0 | - | 4.38 | 46,216 |
| History by Picture - C | 0 | - | 4.36 | 51,606 |
| History by Picture - F | 0 | - | 4.33 | 35,659 |
| History by Picture - G | 0 | - | 4.40 | 39,867 |
| History by Picture - D | 0 | - | 4.29 | 41,865 |
| History by Picture - E | 0 | - | 4.29 | 41,572 |
| History by Picture - H | 0 | - | 4.35 | 34,747 |
| History by Picture - M | 0 | - | 4.15 | 34,321 |
| History by Picture - N | 0 | - | 4.39 | 39,194 |
| History by Picture - O | 0 | - | 4.38 | 34,300 |
| British History A-Z | 0 | - | 4.42 | 42,083 |
| Famous Canadians by Picture | 0 | - | 4.40 | 46,271 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 38,172 |
| Historical Leaders by Date #1 | 0 | - | 4.49 | 30,061 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 28,930 |
| Historical Rulers #2 | 0 | - | 4.26 | 45,654 |
| Historical Rulers #1 | 0 | - | 4.34 | 115,771 |
| Words for Leaders | 0 | - | 4.78 | 245,380 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 105,874 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.26 | 67,670 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.24 | 49,349 |
| International Footballers by Picture | 0 | - | 4.40 | 50,287 |
| All Country Flags of the World | 0 | - | 5.00 | 3,310,697 |
| Countries that Start with R | 0 | - | 4.42 | 420,227 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,367 |
| European Geography By Letter - A | 0 | - | 4.62 | 128,671 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,456 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,730 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,483 |
| European Geography By Letter - L | 0 | - | 4.52 | 108,914 |
| European Geography By Letter - M | 0 | - | 4.53 | 118,014 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,293 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,753 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,183 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,542 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 63,843 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 59,949 |
| Asian Geography by Letter - P | 0 | - | 4.44 | 56,125 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 55,707 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 96,838 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 41,189 |
| Capitals A-Z | 0 | - | 4.80 | 44,159 |
| Countries Closest to United States A-Z | 0 | - | 4.83 | 112,982 |
| Metals of Antiquity | 0 | - | 4.94 | 89,765 |
| Spanish History A-Z | 0 | - | 4.30 | 11,743 |
| Italian History A-Z | 0 | - | 4.17 | 9,299 |
| Popular Royal Names | 0 | - | 4.27 | 120,964 |
| Russian History A-Z | 0 | - | 4.37 | 18,316 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 43,352 |
| History: What Came First? #1 | 0 | - | 4.86 | 98,751 |
| Famous Dictators Quiz #2 | 0 | - | 4.35 | 83,938 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 687,450 |
| History by Picture - I | 0 | - | 4.26 | 24,665 |
| History by Picture - J | 0 | - | 4.23 | 25,182 |
| History by Picture - K | 0 | - | 4.37 | 31,533 |
| History by Picture - L | 0 | - | 4.21 | 29,175 |
| History by Picture - P | 0 | - | 4.07 | 23,909 |
| History by Picture - Q | 0 | - | 4.02 | 20,861 |
| History by Picture - R | 0 | - | 4.11 | 25,332 |
| History by Picture - S | 0 | - | 4.11 | 26,358 |
| History by Picture - T | 0 | - | 4.28 | 31,555 |
| History by Picture - U | 0 | - | 4.23 | 23,723 |
| History by Picture - V | 0 | - | 4.28 | 23,709 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 67,015 |
| Islands by Shape #2 | 0 | - | 4.87 | 47,165 |
| Countries by Road Signs | 0 | - | 4.98 | 49,507 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.37 | 152,957 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.29 | 125,450 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.31 | 42,891 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.34 | 45,361 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 57,863 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,459,534 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,053,980 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 705,778 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 213,772 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,637 |
| Influential Women in History | 0 | - | 4.44 | 31,826 |
| Cradles of Civilization | 0 | - | 4.44 | 36,010 |
| History of The Netherlands | 0 | - | 4.45 | 16,561 |
| Materials From History #1 | 0 | - | 4.56 | 48,217 |
| World Leaders Quiz #2 | 0 | - | 4.02 | 26,183 |
| UN Secretaries-General | 0 | - | 4.40 | 7,512 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.05 | 19,032 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 140,920 |
| Famous Explorers | 0 | - | 4.64 | 34,581 |
| Famous Empires in History | 0 | - | 4.79 | 114,068 |
| Answers by Time Period | 0 | - | 4.56 | 53,667 |
| Flags with Crescents | 0 | - | 4.98 | 156,696 |
| Country Flag Trivia | 0 | - | 4.81 | 51,258 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 95,148 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 63,039 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 77,634 |
| Flag Maths | 0 | - | 4.91 | 54,777 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 47,708 |
| National Soccer Team Logos | 0 | - | 4.86 | 169,367 |
| Countries with the Most Military Troops | 0 | - | 4.96 | 266,707 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 248,316 |
| Countries with NO Military | 0 | - | 4.96 | 56,138 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 138,186 |
| All Disney Animated Movies | 0 | - | 4.81 | 425,824 |
| Countries by Number of Books Published | 0 | - | 4.94 | 68,497 |
| NATO Countries Quiz | 0 | - | 4.98 | 257,476 |
| EU Countries Quiz | 0 | - | 4.99 | 254,311 |
| Top Five Countries by Religion | 0 | - | 4.91 | 157,067 |
| 7 Deadly Sins Quiz | 0 | - | 4.88 | 376,619 |
| Books of the Protestant Bible | 0 | - | 4.87 | 192,358 |
| The Bible A-Z | 0 | - | 4.32 | 45,077 |
| Majority Muslim Countries | 0 | - | 4.98 | 329,590 |
| Colors by Letter | 0 | - | 4.24 | 158,789 |
| Asian Geography By Letter - S | 0 | - | 4.20 | 55,061 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,172 |
| European Geography By Letter - F | 0 | - | 4.18 | 88,806 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,310 |
| European Geography By Letter - G | 0 | - | 4.26 | 98,513 |
| European Geography By Letter - I | 0 | - | 4.11 | 92,004 |
| European Geography By Letter - K | 0 | - | 4.15 | 66,863 |
| European Geography By Letter - O | 0 | - | 4.29 | 59,897 |
| European Geography by Letter - W | 0 | - | 4.21 | 80,628 |
| Asian Geography by Letter - D | 0 | - | 4.26 | 50,420 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 49,836 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 65,989 |
| Asian Geography by Letter - C | 0 | - | 4.31 | 63,103 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 48,656 |
| European Geography By Letter - T | 0 | - | 4.40 | 73,098 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,712 |
| Asian Geography By Letter - J | 0 | - | 4.29 | 33,243 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 29,222 |
| U.S. Geography by Letter - B | 0 | - | 4.51 | 63,153 |
| U.S. Geography by Letter - S | 0 | - | 4.53 | 48,481 |
| Capitals A-Z #2 | 0 | - | 4.42 | 26,018 |
| European Geography A-Z | 0 | - | 4.31 | 47,487 |
| Countries with the Most Forest A-Z | 0 | - | 4.56 | 53,577 |
| Historical Events - AD or BC? | 0 | - | 4.74 | 55,154 |
| Materials From History #2 | 0 | - | 4.58 | 30,155 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 74,561 |
| First Names of Painters | 0 | - | 4.40 | 57,988 |
| WWII First Names | 0 | - | 4.49 | 40,395 |
| WWII Decoder | 0 | - | 4.41 | 51,290 |
| Name a Valid Answer - World War II | 0 | - | 4.52 | 52,289 |
| WWII for Dummies | 0 | - | 4.78 | 98,853 |
| Cold War Decoder | 0 | - | 4.81 | 49,364 |
| 20th Century Dates Quiz | 0 | - | 4.55 | 38,711 |
| Events in History #2 | 0 | - | 4.48 | 69,320 |
| Events in History #4 | 0 | - | 4.42 | 42,672 |
| Name a Valid Year in History | 0 | - | 4.92 | 60,959 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.20 | 47,829 |
