| Former Countries by Territory Map | 0 | - | 4.96 | 101,758 |
| Empires by Maps | 0 | - | 4.98 | 118,751 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,770 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,615 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,920 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,763 |
| Former Flags | 0 | - | 4.97 | 106,847 |
| Years in History by Picture | 0 | - | 4.44 | 35,157 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,852 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,170 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,527 |
| Women in History by Picture | 0 | - | 4.25 | 25,776 |
| Military History Vocabulary | 0 | - | 4.91 | 66,711 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,883 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,618 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,769 |
| Countries that Start with D | 0 | - | 4.96 | 702,533 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,692 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,081 |
| Countries that Start with H | 0 | - | 4.96 | 598,766 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,241 |
| Countries that Start with J | 0 | - | 4.98 | 596,810 |
| Countries that Start with K | 0 | - | 4.97 | 810,141 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,828 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,718 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,430 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,827 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,891 |
| Countries that Start with U | 0 | - | 4.97 | 900,489 |
| Countries that Start with V | 0 | - | 4.98 | 605,615 |
| Countries that Start with F | 0 | - | 4.83 | 612,867 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,380 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,077 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,452 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,403 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,170 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,623 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,577 |
| Name the English Monarchs | 0 | - | 4.92 | 498,630 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,030 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,793 |
| "Second Best" History Edition | 0 | - | 4.93 | 62,033 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,152 |
| WWII Geography | 0 | - | 4.81 | 119,444 |
| International Footballers by Picture | 0 | - | 4.50 | 54,861 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,993 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,037 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,128 |
| Name a Country A-Z | 0 | - | 5.00 | 240,823 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,311 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,012 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,912 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,554 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,772 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,563 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,310 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,135 |
| History by Picture - A | 0 | - | 4.25 | 45,502 |
| History by Picture - B | 0 | - | 4.40 | 48,630 |
| History by Picture - C | 0 | - | 4.36 | 54,141 |
| History by Picture - F | 0 | - | 4.35 | 37,630 |
| History by Picture - G | 0 | - | 4.40 | 41,891 |
| History by Picture - D | 0 | - | 4.29 | 44,055 |
| History by Picture - E | 0 | - | 4.27 | 43,669 |
| History by Picture - H | 0 | - | 4.37 | 36,583 |
| History by Picture - K | 0 | - | 4.35 | 33,143 |
| History by Picture - M | 0 | - | 4.17 | 35,943 |
| History by Picture - N | 0 | - | 4.40 | 41,035 |
| History by Picture - O | 0 | - | 4.39 | 36,078 |
| History by Picture - T | 0 | - | 4.20 | 33,129 |
| British History A-Z #1 | 0 | - | 4.45 | 46,153 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,515 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,161 |
| Countries Bordering "U" Countries | 0 | - | 4.81 | 24,135 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 45,931 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,243 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,082 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,243 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,531 |
| Words for Leaders | 0 | - | 4.77 | 255,415 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,704 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,070 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,164 |
| All Country Flags of the World | 0 | - | 5.00 | 3,610,278 |
| Countries that Start with R | 0 | - | 4.43 | 444,124 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,876 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,484 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,968 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,931 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,782 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,295 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,042 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,789 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,688 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,066 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,436 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,197 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,604 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,114 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,387 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,654 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,759 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,515 |
| Metals of Antiquity | 0 | - | 4.94 | 92,984 |
| Spanish History A-Z | 0 | - | 4.37 | 19,178 |
| Italian History A-Z | 0 | - | 4.21 | 17,566 |
| Popular Royal Names | 0 | - | 4.27 | 124,537 |
| Russian History A-Z | 0 | - | 4.38 | 31,147 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,243 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,295 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,154 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,763 |
| First Names of Painters | 0 | - | 4.43 | 59,632 |
| History by Picture - I | 0 | - | 4.26 | 26,049 |
| History by Picture - J | 0 | - | 4.18 | 26,560 |
| History by Picture - L | 0 | - | 4.18 | 30,590 |
| History by Picture - P | 0 | - | 4.08 | 25,137 |
| History by Picture - Q | 0 | - | 4.03 | 21,941 |
| History by Picture - R | 0 | - | 4.13 | 26,674 |
| History by Picture - S | 0 | - | 4.14 | 27,624 |
| History by Picture - U | 0 | - | 4.24 | 24,969 |
| History by Picture - V | 0 | - | 4.30 | 24,941 |
| History by Picture - W | 0 | - | 4.01 | 21,514 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,713 |
| German History A-Z | 0 | - | 4.49 | 24,433 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,025 |
| Countries by Road Signs | 0 | - | 4.98 | 53,202 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 129,069 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.29 | 46,166 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.38 | 48,326 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,106 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,813 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,105 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,162 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,537 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,296 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,506 |
| Influential Women in History | 0 | - | 4.42 | 35,172 |
| Cradles of Civilization | 0 | - | 4.46 | 39,236 |
| History of The Netherlands | 0 | - | 4.46 | 17,332 |
| Materials From History #1 | 0 | - | 4.56 | 51,125 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,679 |
| UN Secretaries-General | 0 | - | 4.40 | 7,769 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,556 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,321 |
| Famous Explorers | 0 | - | 4.58 | 35,999 |
| Famous Empires by Description | 0 | - | 4.73 | 118,007 |
| Answers by Time Period | 0 | - | 4.63 | 55,320 |
| Flags with Crescents | 0 | - | 4.98 | 167,821 |
| Country Flag Trivia | 0 | - | 4.81 | 56,056 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,575 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,569 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,078 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,559 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,142 |
| National Football Team Logos | 0 | - | 4.84 | 178,899 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,350 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,895 |
| Countries with NO Military | 0 | - | 4.97 | 61,265 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,950 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,981 |
| NATO Countries | 0 | - | 4.98 | 276,445 |
| EU Countries Quiz | 0 | - | 4.99 | 270,421 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,271 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,682 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,641 |
| The Bible A-Z | 0 | - | 4.29 | 59,398 |
| Majority Muslim Countries | 0 | - | 4.98 | 369,144 |
| Colors by Letter | 0 | - | 4.25 | 162,112 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,939 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,282 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,718 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,955 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,341 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,547 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,214 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,970 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,335 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,737 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,026 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,550 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,535 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,045 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,551 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,529 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,491 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,820 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,328 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,658 |
| European Geography A-Z | 0 | - | 4.28 | 49,037 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,224 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,239 |
| Materials From History #2 | 0 | - | 4.59 | 31,286 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,396 |
| WWII First Names | 0 | - | 4.44 | 41,596 |
| WWII Decoder | 0 | - | 4.41 | 53,083 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,803 |
| WWII for Dummies | 0 | - | 4.80 | 103,970 |
| Cold War Decoder | 0 | - | 4.83 | 51,989 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,331 |
