| Former Countries by Territory Map | 0 | - | 4.96 | 101,846 |
| Empires by Maps | 0 | - | 4.98 | 118,875 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,916 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,663 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,075 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,852 |
| Former Flags | 0 | - | 4.97 | 106,912 |
| Years in History by Picture | 0 | - | 4.44 | 35,189 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,986 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,256 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,609 |
| Women in History by Picture | 0 | - | 4.25 | 25,789 |
| Military History Vocabulary | 0 | - | 4.91 | 66,738 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,103 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,721 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,613 |
| Countries that Start with D | 0 | - | 4.96 | 703,135 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,406 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,832 |
| Countries that Start with H | 0 | - | 4.96 | 599,235 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,830 |
| Countries that Start with J | 0 | - | 4.98 | 597,306 |
| Countries that Start with K | 0 | - | 4.97 | 810,580 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,365 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,291 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,964 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,587 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,303 |
| Countries that Start with U | 0 | - | 4.97 | 900,801 |
| Countries that Start with V | 0 | - | 4.98 | 605,898 |
| Countries that Start with F | 0 | - | 4.83 | 613,283 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,989 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,108 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,504 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,499 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,204 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,650 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,598 |
| Name the English Monarchs | 0 | - | 4.92 | 498,948 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,120 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,827 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,118 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,175 |
| WWII Geography | 0 | - | 4.81 | 119,491 |
| International Footballers by Picture | 0 | - | 4.50 | 54,907 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,162 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,056 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,215 |
| Name a Country A-Z | 0 | - | 5.00 | 241,024 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,432 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,029 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,965 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,593 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,827 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,573 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,338 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,147 |
| History by Picture - A | 0 | - | 4.25 | 45,523 |
| History by Picture - B | 0 | - | 4.40 | 48,655 |
| History by Picture - C | 0 | - | 4.36 | 54,166 |
| History by Picture - F | 0 | - | 4.35 | 37,654 |
| History by Picture - G | 0 | - | 4.40 | 41,909 |
| History by Picture - D | 0 | - | 4.29 | 44,077 |
| History by Picture - E | 0 | - | 4.27 | 43,690 |
| History by Picture - H | 0 | - | 4.37 | 36,599 |
| History by Picture - K | 0 | - | 4.35 | 33,160 |
| History by Picture - M | 0 | - | 4.17 | 35,960 |
| History by Picture - N | 0 | - | 4.40 | 41,046 |
| History by Picture - O | 0 | - | 4.39 | 36,096 |
| History by Picture - T | 0 | - | 4.20 | 33,144 |
| British History A-Z #1 | 0 | - | 4.45 | 46,196 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,577 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,183 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,181 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 46,008 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,252 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,094 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,261 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,554 |
| Words for Leaders | 0 | - | 4.77 | 255,554 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,725 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,100 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,185 |
| All Country Flags of the World | 0 | - | 5.00 | 3,614,612 |
| Countries that Start with R | 0 | - | 4.43 | 444,437 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,894 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,567 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,039 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,003 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,883 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,351 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,130 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,955 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,723 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,098 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,459 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,217 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,632 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,132 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,448 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,698 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,777 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,616 |
| Metals of Antiquity | 0 | - | 4.94 | 93,022 |
| Spanish History A-Z | 0 | - | 4.37 | 19,192 |
| Italian History A-Z | 0 | - | 4.21 | 17,590 |
| Popular Royal Names | 0 | - | 4.27 | 124,600 |
| Russian History A-Z | 0 | - | 4.38 | 31,213 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,277 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,356 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,177 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,980 |
| First Names of Painters | 0 | - | 4.43 | 59,660 |
| History by Picture - I | 0 | - | 4.26 | 26,065 |
| History by Picture - J | 0 | - | 4.18 | 26,575 |
| History by Picture - L | 0 | - | 4.18 | 30,603 |
| History by Picture - P | 0 | - | 4.08 | 25,150 |
| History by Picture - Q | 0 | - | 4.03 | 21,949 |
| History by Picture - R | 0 | - | 4.13 | 26,688 |
| History by Picture - S | 0 | - | 4.14 | 27,640 |
| History by Picture - U | 0 | - | 4.24 | 24,980 |
| History by Picture - V | 0 | - | 4.30 | 24,955 |
| History by Picture - W | 0 | - | 4.01 | 21,526 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,749 |
| German History A-Z | 0 | - | 4.49 | 24,468 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,049 |
| Countries by Road Signs | 0 | - | 4.98 | 53,250 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 129,107 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.29 | 46,199 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 48,369 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,136 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,589 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,483 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,421 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,933 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,334 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,531 |
| Influential Women in History | 0 | - | 4.42 | 35,210 |
| Cradles of Civilization | 0 | - | 4.46 | 39,264 |
| History of The Netherlands | 0 | - | 4.46 | 17,341 |
| Materials From History #1 | 0 | - | 4.56 | 51,231 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,691 |
| UN Secretaries-General | 0 | - | 4.40 | 7,771 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,558 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,361 |
| Famous Explorers | 0 | - | 4.58 | 36,010 |
| Famous Empires by Description | 0 | - | 4.73 | 118,038 |
| Answers by Time Period | 0 | - | 4.63 | 55,344 |
| Flags with Crescents | 0 | - | 4.98 | 167,934 |
| Country Flag Trivia | 0 | - | 4.81 | 56,133 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,663 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,641 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,175 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,623 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,196 |
| National Football Team Logos | 0 | - | 4.84 | 179,021 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,589 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,233 |
| Countries with NO Military | 0 | - | 4.97 | 61,326 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,050 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,019 |
| NATO Countries | 0 | - | 4.98 | 277,001 |
| EU Countries Quiz | 0 | - | 4.99 | 270,733 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,486 |
| 7 Deadly Sins | 0 | - | 4.88 | 396,094 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,842 |
| The Bible A-Z | 0 | - | 4.29 | 59,435 |
| Majority Muslim Countries | 0 | - | 4.98 | 370,549 |
| Colors by Letter | 0 | - | 4.25 | 162,137 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,950 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,346 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,782 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,020 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,635 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,603 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,288 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,016 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,361 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,752 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,040 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,566 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,553 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,057 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,583 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,546 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,520 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,887 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,384 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,665 |
| European Geography A-Z | 0 | - | 4.28 | 49,050 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,246 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,265 |
| Materials From History #2 | 0 | - | 4.59 | 31,344 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,631 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,437 |
| WWII First Names | 0 | - | 4.44 | 41,608 |
| WWII Decoder | 0 | - | 4.41 | 53,108 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,848 |
| WWII for Dummies | 0 | - | 4.80 | 104,040 |
| Cold War Decoder | 0 | - | 4.83 | 52,019 |
