| Former Countries by Territory Map | 0 | - | 4.96 | 85,014 |
| Empires by Maps | 0 | - | 4.98 | 93,098 |
| WWII Figures by Picture | 0 | - | 4.87 | 39,689 |
| Name that Historical Figure #1 | 0 | - | 4.64 | 292,772 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 246,437 |
| Former Flags | 0 | - | 4.98 | 80,905 |
| Name that Historical Figure #3 | 0 | - | 4.39 | 212,693 |
| Name that Historical Figure #4 | 0 | - | 4.28 | 139,118 |
| Name that Historical Figure #5 | 0 | - | 4.39 | 90,205 |
| Name that Historical Figure #6 | 0 | - | 4.21 | 78,222 |
| Women in History by Picture | 0 | - | 4.36 | 23,393 |
| Military History Vocabulary | 0 | - | 4.92 | 59,685 |
| Countries that Start with A | 0 | - | 4.98 | 1,931,523 |
| Countries that Start with B | 0 | - | 4.95 | 2,070,180 |
| Countries that Start with C | 0 | - | 4.96 | 1,636,853 |
| Countries that Start with D | 0 | - | 4.96 | 586,756 |
| Countries that Start with E | 0 | - | 4.95 | 1,224,091 |
| Countries that Start with G | 0 | - | 4.97 | 1,343,537 |
| Countries that Start with H | 0 | - | 4.95 | 500,333 |
| Countries that Start with I | 0 | - | 4.92 | 1,154,799 |
| Countries that Start with J | 0 | - | 4.98 | 503,820 |
| Countries that Start with K | 0 | - | 4.97 | 706,776 |
| Countries that Start with L | 0 | - | 4.98 | 965,194 |
| Countries that Start with N | 0 | - | 4.93 | 991,775 |
| Countries that Start with P | 0 | - | 4.94 | 1,094,336 |
| Countries that Start with S | 0 | - | 4.98 | 1,596,163 |
| Countries that Start with T | 0 | - | 4.88 | 904,287 |
| Countries that Start with U | 0 | - | 4.96 | 816,530 |
| Countries that Start with V | 0 | - | 4.98 | 547,041 |
| Countries that Start with F | 0 | - | 4.83 | 532,930 |
| Countries that Start with M | 0 | - | 4.97 | 1,247,280 |
| Asian Geography By Letter - B | 0 | - | 4.84 | 60,752 |
| Capitals A-Z | 0 | - | 4.84 | 41,603 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 53,788 |
| A-Z Cities by Pictures | 0 | - | 4.53 | 39,098 |
| Years in History by Picture | 0 | - | 4.43 | 29,782 |
| English Monarchs Quiz | 0 | - | 4.91 | 444,097 |
| Richest Countries A-Z | 0 | - | 4.91 | 87,051 |
| G7 Leaders Since 2003 | 0 | - | 4.46 | 38,244 |
| Famous Empires in History | 0 | - | 4.83 | 102,314 |
| One Country By Letter By Continent | 0 | - | 5.00 | 70,544 |
| Name a World Capital A-Z | 0 | - | 4.99 | 140,076 |
| Name a Valid Country A-Z | 0 | - | 4.96 | 81,951 |
| Ancient Greece A-Z | 0 | - | 4.64 | 20,593 |
| Famous Dictators Quiz #1 | 0 | - | 4.75 | 182,550 |
| Art Works Picture Quiz #1 | 0 | - | 4.49 | 96,487 |
| Art Works Picture Quiz #2 | 0 | - | 4.45 | 86,073 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 45,966 |
| History by Picture - A | 0 | - | 4.22 | 40,182 |
| History by Picture - B | 0 | - | 4.35 | 42,840 |
| History by Picture - C | 0 | - | 4.34 | 47,921 |
| History by Picture - F | 0 | - | 4.32 | 32,946 |
| History by Picture - G | 0 | - | 4.39 | 37,143 |
| History by Picture - D | 0 | - | 4.31 | 38,807 |
| History by Picture - E | 0 | - | 4.26 | 38,692 |
| History by Picture - H | 0 | - | 4.37 | 32,104 |
| History by Picture - M | 0 | - | 4.22 | 32,005 |
| History by Picture - N | 0 | - | 4.38 | 36,212 |
| History by Picture - O | 0 | - | 4.36 | 31,866 |
| Famous Canadians by Picture | 0 | - | 4.46 | 29,885 |
| Historical Leaders by Date #1 | 0 | - | 4.50 | 28,139 |
| Historical Leaders by Date #2 | 0 | - | 4.54 | 27,024 |
| Historical Rulers #2 | 0 | - | 4.26 | 42,938 |
| Historical Rulers #1 | 0 | - | 4.33 | 110,973 |
| Words for Leaders | 0 | - | 4.80 | 214,799 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 101,368 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.25 | 64,440 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.24 | 46,709 |
| International Footballers by Picture | 0 | - | 4.39 | 43,974 |
| Countries that Start with R | 0 | - | 4.45 | 384,029 |
| Asian Geography By Letter - A | 0 | - | 4.66 | 65,823 |
| European Geography By Letter - A | 0 | - | 4.55 | 123,832 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,169 |
| European Geography By Letter - C | 0 | - | 4.44 | 104,570 |
| European Geography By Letter - D | 0 | - | 4.52 | 99,175 |
| European Geography By Letter - L | 0 | - | 4.50 | 104,579 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,071 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,226 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,178 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,018 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 60,542 |
| Asian Geography By Letter - M | 0 | - | 4.45 | 56,055 |
| Asian Geography by Letter - P | 0 | - | 4.42 | 44,931 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 45,045 |
| European Geography By Letter - S #1 | 0 | - | 4.57 | 93,640 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 37,731 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 61,687 |
| One Capital by Letter by Continent | 0 | - | 4.96 | 3,122 |
| European Geography A-Z | 0 | - | 4.43 | 45,152 |
| Countries Closest to United States A-Z | 0 | - | 4.86 | 106,511 |
| Metals of Antiquity | 0 | - | 4.94 | 84,996 |
| Spanish History A-Z | 0 | - | 4.29 | 11,240 |
| Italian History A-Z | 0 | - | 4.11 | 8,812 |
| Popular Royal Names | 0 | - | 4.25 | 115,631 |
| Russian History A-Z | 0 | - | 4.34 | 17,278 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,455 |
| Famous Dictators Quiz #2 | 0 | - | 4.34 | 79,559 |
| Mythical Creatures Quiz #1 | 0 | - | 4.91 | 652,824 |
| Art Works Picture Quiz #3 | 0 | - | 4.38 | 41,057 |
| History by Picture - I | 0 | - | 4.26 | 22,797 |
| History by Picture - J | 0 | - | 4.19 | 23,262 |
| History by Picture - K | 0 | - | 4.40 | 29,243 |
| History by Picture - L | 0 | - | 4.19 | 27,137 |
| History by Picture - P | 0 | - | 4.09 | 22,121 |
| History by Picture - R | 0 | - | 4.19 | 23,418 |
| History by Picture - S | 0 | - | 4.16 | 24,575 |
| History by Picture - T | 0 | - | 4.25 | 29,407 |
| History by Picture - U | 0 | - | 4.24 | 22,069 |
| History by Picture - V | 0 | - | 4.25 | 21,928 |
| History by Picture - W | 0 | - | 4.06 | 19,102 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 62,534 |
| British History A-Z | 0 | - | 4.51 | 31,052 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,807 |
| Countries by Road Signs | 0 | - | 4.98 | 44,827 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.37 | 149,093 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.32 | 120,408 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.29 | 39,815 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.32 | 41,438 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,334 |
| All Country Flags of the World | 0 | - | 5.00 | 2,930,930 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,353,954 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 996,301 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 667,705 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 192,708 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,573 |
| Cradles of Civilization | 0 | - | 4.42 | 31,955 |
| History of The Netherlands | 0 | - | 4.42 | 15,667 |
| Materials From History #1 | 0 | - | 4.54 | 42,135 |
| UN Secretaries-General | 0 | - | 4.39 | 7,108 |
| WWII Geography | 0 | - | 4.80 | 98,605 |
| Biggest Nations and Empires Ever | 0 | - | 4.57 | 132,920 |
| Famous Explorers | 0 | - | 4.71 | 32,527 |
| Answers by Time Period | 0 | - | 4.49 | 42,434 |
| Territorial Accessions | 0 | - | 4.44 | 32,118 |
| The Life of King David | 0 | - | 4.41 | 13,401 |
| Flags with Crescents | 0 | - | 4.98 | 142,043 |
| Country Flag Trivia | 0 | - | 4.87 | 43,141 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 75,074 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 55,385 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 41,269 |
| National Soccer Team Logos | 0 | - | 4.83 | 153,609 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 224,794 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 216,453 |
| Countries with NO Military | 0 | - | 4.96 | 48,894 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 122,475 |
| All Disney Animated Movies | 0 | - | 4.82 | 383,152 |
| Countries by Number of Books Published | 0 | - | 4.95 | 63,201 |
| NATO Countries Quiz | 0 | - | 4.98 | 224,177 |
| EU Countries Quiz | 0 | - | 4.99 | 226,596 |
| Top Five Countries by Religion | 0 | - | 4.91 | 140,626 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 344,581 |
| Books of the Protestant Bible Quiz | 0 | - | 4.87 | 178,966 |
| The Bible A-Z | 0 | - | 4.35 | 43,068 |
| Colors by Letter | 0 | - | 4.24 | 153,719 |
| Asian Geography By Letter - S | 0 | - | 4.19 | 43,121 |
| European Geography By Letter - E | 0 | - | 4.19 | 104,944 |
| European Geography By Letter - F | 0 | - | 4.15 | 84,970 |
| European Geography By Letter - H | 0 | - | 4.29 | 88,313 |
| European Geography By Letter - G | 0 | - | 4.24 | 94,779 |
| European Geography By Letter - I | 0 | - | 4.09 | 88,489 |
| European Geography By Letter - K | 0 | - | 4.16 | 64,269 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,530 |
| European Geography By Letter - R | 0 | - | 4.39 | 87,265 |
| European Geography by Letter - W | 0 | - | 4.21 | 78,070 |
| Asian Geography by Letter - D | 0 | - | 4.25 | 47,800 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 47,360 |
| Asian Geography by Letter - I | 0 | - | 4.35 | 62,833 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 60,243 |
| Asian Geography by Letter - N | 0 | - | 4.28 | 39,579 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,689 |
| European Geography By Letter - S #2 | 0 | - | 4.16 | 46,542 |
| Asian Geography By Letter - O | 0 | - | 4.77 | 15,295 |
| Asian Geography By Letter - R | 0 | - | 4.43 | 13,575 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 50,770 |
| Influential Women in History | 0 | - | 4.47 | 30,364 |
| Historical Events - AD or BC? | 0 | - | 4.75 | 51,823 |
| Materials From History #2 | 0 | - | 4.57 | 24,537 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.77 | 57,934 |
| First Names of Painters | 0 | - | 4.37 | 56,165 |
| WWII First Names | 0 | - | 4.46 | 38,502 |
| WWII Decoder | 0 | - | 4.43 | 48,528 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 47,250 |
| 20th Century Dates Quiz | 0 | - | 4.52 | 37,842 |
| Events in History #2 | 0 | - | 4.47 | 66,574 |
| Events in History #4 | 0 | - | 4.43 | 40,773 |
| Name a Valid Year in History | 0 | - | 4.92 | 52,255 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.18 | 46,394 |
| Assassinations in History Quiz | 0 | - | 4.17 | 62,976 |
| Famous Seconds Quiz | 0 | - | 4.21 | 44,523 |
| Ages and Eras Quiz | 0 | - | 4.35 | 64,330 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.21 | 38,285 |
| Titled People Quiz #1 | 0 | - | 4.14 | 43,814 |
| Titled People Quiz #3 | 0 | - | 4.33 | 41,257 |
| Job Titles Quiz #1 | 0 | - | 4.23 | 73,419 |
| Historical Blunders | 0 | - | 4.33 | 86,043 |
| This Day in History - April | 0 | - | 4.42 | 43,252 |
| This Day in History - July | 0 | - | 4.48 | 34,993 |
| This Day in History - August | 0 | - | 4.41 | 41,671 |
| This Day in History - September | 0 | - | 4.54 | 54,691 |
| This Day in History - October | 0 | - | 4.49 | 36,216 |
