| Former Countries by Territory Map | 0 | - | 4.96 | 101,901 |
| Empires by Maps | 0 | - | 4.98 | 118,958 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,087 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,718 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,242 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,963 |
| Former Flags | 0 | - | 4.97 | 106,963 |
| Years in History by Picture | 0 | - | 4.44 | 35,221 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,311 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,381 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,723 |
| Women in History by Picture | 0 | - | 4.25 | 25,795 |
| Military History Vocabulary | 0 | - | 4.91 | 66,755 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,848 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,444 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,171 |
| Countries that Start with D | 0 | - | 4.96 | 703,526 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,866 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,326 |
| Countries that Start with H | 0 | - | 4.96 | 599,590 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,210 |
| Countries that Start with J | 0 | - | 4.98 | 597,623 |
| Countries that Start with K | 0 | - | 4.97 | 810,875 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,746 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,665 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,319 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,093 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,576 |
| Countries that Start with U | 0 | - | 4.97 | 901,025 |
| Countries that Start with V | 0 | - | 4.98 | 606,095 |
| Countries that Start with F | 0 | - | 4.83 | 613,550 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,397 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,121 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,527 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,526 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,223 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,666 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,612 |
| Name the English Monarchs | 0 | - | 4.92 | 499,166 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,179 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,847 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,176 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,194 |
| WWII Geography | 0 | - | 4.81 | 119,534 |
| International Footballers by Picture | 0 | - | 4.50 | 54,954 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,264 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,076 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,272 |
| Name a Country A-Z | 0 | - | 5.00 | 241,184 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,514 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,044 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,004 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,627 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,863 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,584 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,358 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,170 |
| History by Picture - A | 0 | - | 4.25 | 45,541 |
| History by Picture - B | 0 | - | 4.40 | 48,678 |
| History by Picture - C | 0 | - | 4.36 | 54,183 |
| History by Picture - F | 0 | - | 4.35 | 37,668 |
| History by Picture - G | 0 | - | 4.40 | 41,920 |
| History by Picture - D | 0 | - | 4.29 | 44,090 |
| History by Picture - E | 0 | - | 4.27 | 43,706 |
| History by Picture - H | 0 | - | 4.37 | 36,613 |
| History by Picture - K | 0 | - | 4.35 | 33,171 |
| History by Picture - M | 0 | - | 4.17 | 35,974 |
| History by Picture - N | 0 | - | 4.40 | 41,058 |
| History by Picture - O | 0 | - | 4.39 | 36,113 |
| History by Picture - T | 0 | - | 4.20 | 33,155 |
| British History A-Z #1 | 0 | - | 4.45 | 46,217 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,600 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,194 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,200 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 46,083 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,262 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,102 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,268 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,574 |
| Words for Leaders | 0 | - | 4.77 | 255,650 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,738 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,117 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,201 |
| All Country Flags of the World | 0 | - | 5.00 | 3,617,547 |
| Countries that Start with R | 0 | - | 4.43 | 444,636 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,898 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,589 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,053 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,018 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,899 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,370 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,159 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,968 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,742 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,116 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,472 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,225 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,648 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,145 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,480 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,718 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,787 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,666 |
| Metals of Antiquity | 0 | - | 4.94 | 93,043 |
| Spanish History A-Z | 0 | - | 4.37 | 19,201 |
| Italian History A-Z | 0 | - | 4.21 | 17,601 |
| Popular Royal Names | 0 | - | 4.27 | 124,623 |
| Russian History A-Z | 0 | - | 4.38 | 31,263 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,319 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,402 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,192 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,136 |
| First Names of Painters | 0 | - | 4.43 | 59,669 |
| History by Picture - I | 0 | - | 4.26 | 26,071 |
| History by Picture - J | 0 | - | 4.18 | 26,582 |
| History by Picture - L | 0 | - | 4.18 | 30,609 |
| History by Picture - P | 0 | - | 4.08 | 25,168 |
| History by Picture - Q | 0 | - | 4.03 | 21,959 |
| History by Picture - R | 0 | - | 4.13 | 26,699 |
| History by Picture - S | 0 | - | 4.14 | 27,649 |
| History by Picture - U | 0 | - | 4.24 | 24,991 |
| History by Picture - V | 0 | - | 4.30 | 24,966 |
| History by Picture - W | 0 | - | 4.01 | 21,531 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,781 |
| German History A-Z | 0 | - | 4.49 | 24,479 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,063 |
| Countries by Road Signs | 0 | - | 4.98 | 53,272 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 129,130 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.29 | 46,216 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 48,392 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,165 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,154 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,745 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,610 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,019 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,355 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,562 |
| Influential Women in History | 0 | - | 4.42 | 35,225 |
| Cradles of Civilization | 0 | - | 4.46 | 39,275 |
| History of The Netherlands | 0 | - | 4.46 | 17,347 |
| Materials From History #1 | 0 | - | 4.56 | 51,267 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,702 |
| UN Secretaries-General | 0 | - | 4.40 | 7,771 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,563 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,398 |
| Famous Explorers | 0 | - | 4.58 | 36,016 |
| Famous Empires by Description | 0 | - | 4.73 | 118,067 |
| Answers by Time Period | 0 | - | 4.63 | 55,356 |
| Flags with Crescents | 0 | - | 4.98 | 168,009 |
| Country Flag Trivia | 0 | - | 4.81 | 56,169 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,709 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,682 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,231 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,654 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,232 |
| National Football Team Logos | 0 | - | 4.85 | 179,132 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,739 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,464 |
| Countries with NO Military | 0 | - | 4.97 | 61,370 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,122 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,047 |
| NATO Countries | 0 | - | 4.98 | 277,231 |
| EU Countries Quiz | 0 | - | 4.99 | 270,913 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,602 |
| 7 Deadly Sins | 0 | - | 4.88 | 396,745 |
| Books of the Protestant Bible | 0 | - | 4.89 | 208,026 |
| The Bible A-Z | 0 | - | 4.29 | 59,472 |
| Majority Muslim Countries | 0 | - | 4.98 | 370,878 |
| Colors by Letter | 0 | - | 4.25 | 162,161 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,954 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,356 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,792 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,031 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,650 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,615 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,302 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,030 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,372 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,756 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,051 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,578 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,560 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,064 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,594 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,554 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,540 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,908 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,396 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,670 |
| European Geography A-Z | 0 | - | 4.28 | 49,063 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,268 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,283 |
| Materials From History #2 | 0 | - | 4.59 | 31,356 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,664 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,464 |
| WWII First Names | 0 | - | 4.44 | 41,614 |
| WWII Decoder | 0 | - | 4.41 | 53,119 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,881 |
| WWII for Dummies | 0 | - | 4.80 | 104,101 |
| Cold War Decoder | 0 | - | 4.83 | 52,046 |
