| Former Countries by Territory Map | 0 | - | 4.96 | 101,497 |
| Empires by Maps | 0 | - | 4.98 | 118,400 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,445 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,504 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,554 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,589 |
| Former Flags | 0 | - | 4.97 | 106,651 |
| Years in History by Picture | 0 | - | 4.44 | 35,091 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,613 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,005 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,397 |
| Women in History by Picture | 0 | - | 4.25 | 25,756 |
| Military History Vocabulary | 0 | - | 4.91 | 66,628 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,272 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,398 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,919 |
| Countries that Start with D | 0 | - | 4.96 | 701,275 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,213 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,454 |
| Countries that Start with H | 0 | - | 4.96 | 597,729 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,039 |
| Countries that Start with J | 0 | - | 4.98 | 595,810 |
| Countries that Start with K | 0 | - | 4.97 | 809,213 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,643 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,504 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,327 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,194 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,029 |
| Countries that Start with U | 0 | - | 4.97 | 899,789 |
| Countries that Start with V | 0 | - | 4.98 | 604,958 |
| Countries that Start with F | 0 | - | 4.83 | 612,017 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,071 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,984 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,315 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,209 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,094 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,549 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,524 |
| Name the English Monarchs | 0 | - | 4.92 | 497,773 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,811 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,715 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,741 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,117 |
| WWII Geography | 0 | - | 4.81 | 119,319 |
| International Footballers by Picture | 0 | - | 4.50 | 54,703 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,617 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,987 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,934 |
| Name a Country A-Z | 0 | - | 5.00 | 240,312 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,039 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,981 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,740 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,448 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,624 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,525 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,206 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,074 |
| History by Picture - A | 0 | - | 4.25 | 45,449 |
| History by Picture - B | 0 | - | 4.40 | 48,563 |
| History by Picture - C | 0 | - | 4.36 | 54,066 |
| History by Picture - F | 0 | - | 4.35 | 37,573 |
| History by Picture - G | 0 | - | 4.40 | 41,837 |
| History by Picture - D | 0 | - | 4.29 | 43,994 |
| History by Picture - E | 0 | - | 4.27 | 43,614 |
| History by Picture - H | 0 | - | 4.37 | 36,531 |
| History by Picture - K | 0 | - | 4.35 | 33,093 |
| History by Picture - M | 0 | - | 4.17 | 35,904 |
| History by Picture - N | 0 | - | 4.40 | 40,984 |
| History by Picture - O | 0 | - | 4.39 | 36,027 |
| History by Picture - T | 0 | - | 4.20 | 33,087 |
| British History A-Z #1 | 0 | - | 4.45 | 45,798 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,417 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,124 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,058 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 45,719 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,217 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,052 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,202 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,466 |
| Words for Leaders | 0 | - | 4.77 | 255,084 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,629 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,003 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,117 |
| All Country Flags of the World | 0 | - | 5.00 | 3,600,161 |
| Countries that Start with R | 0 | - | 4.43 | 443,497 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,821 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,371 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,875 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,808 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,680 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,196 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,854 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,652 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,612 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,010 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,383 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,153 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,556 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,064 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,285 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,580 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,702 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,391 |
| Metals of Antiquity | 0 | - | 4.94 | 92,884 |
| Spanish History A-Z | 0 | - | 4.36 | 19,028 |
| Italian History A-Z | 0 | - | 4.21 | 17,380 |
| Popular Royal Names | 0 | - | 4.27 | 124,464 |
| Russian History A-Z | 0 | - | 4.38 | 30,745 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,141 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,153 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,083 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,253 |
| First Names of Painters | 0 | - | 4.43 | 59,593 |
| History by Picture - I | 0 | - | 4.26 | 25,997 |
| History by Picture - J | 0 | - | 4.18 | 26,519 |
| History by Picture - L | 0 | - | 4.18 | 30,549 |
| History by Picture - P | 0 | - | 4.08 | 25,099 |
| History by Picture - Q | 0 | - | 4.03 | 21,911 |
| History by Picture - R | 0 | - | 4.13 | 26,625 |
| History by Picture - S | 0 | - | 4.14 | 27,582 |
| History by Picture - U | 0 | - | 4.24 | 24,931 |
| History by Picture - V | 0 | - | 4.30 | 24,898 |
| History by Picture - W | 0 | - | 4.01 | 21,487 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,643 |
| German History A-Z | 0 | - | 4.49 | 24,213 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,986 |
| Countries by Road Signs | 0 | - | 4.98 | 53,080 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 128,974 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.29 | 46,085 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.35 | 48,234 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,012 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,975 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,220 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,537 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,321 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,206 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,434 |
| Influential Women in History | 0 | - | 4.42 | 34,949 |
| Cradles of Civilization | 0 | - | 4.46 | 39,009 |
| History of The Netherlands | 0 | - | 4.46 | 17,306 |
| Materials From History #1 | 0 | - | 4.56 | 50,565 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,651 |
| UN Secretaries-General | 0 | - | 4.40 | 7,760 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,542 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,136 |
| Famous Explorers | 0 | - | 4.58 | 35,934 |
| Famous Empires by Description | 0 | - | 4.70 | 117,515 |
| Answers by Time Period | 0 | - | 4.63 | 55,258 |
| Flags with Crescents | 0 | - | 4.98 | 167,494 |
| Country Flag Trivia | 0 | - | 4.81 | 55,900 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,366 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,430 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,869 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,431 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,003 |
| National Football Team Logos | 0 | - | 4.84 | 178,594 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,827 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,151 |
| Countries with NO Military | 0 | - | 4.97 | 61,147 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,716 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,892 |
| NATO Countries | 0 | - | 4.98 | 275,580 |
| EU Countries Quiz | 0 | - | 4.99 | 269,804 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,997 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,738 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,123 |
| The Bible A-Z | 0 | - | 4.29 | 59,245 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,400 |
| Colors by Letter | 0 | - | 4.25 | 162,017 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,913 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,188 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,476 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,877 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,252 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,468 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,142 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,905 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,286 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,687 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,986 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,503 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,492 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,001 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,496 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,486 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,433 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,527 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,072 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,645 |
| European Geography A-Z | 0 | - | 4.28 | 48,987 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,174 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,173 |
| Materials From History #2 | 0 | - | 4.59 | 30,906 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,301 |
| WWII First Names | 0 | - | 4.44 | 41,556 |
| WWII Decoder | 0 | - | 4.41 | 53,029 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,734 |
| WWII for Dummies | 0 | - | 4.80 | 103,798 |
| Cold War Decoder | 0 | - | 4.83 | 51,911 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,313 |
