| Europe Geography Decoder | 0 | - | 4.86 | 69,867 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,436 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,005 |
| European History for Dummies | 0 | - | 4.83 | 89,743 |
| History Analogies #1 | 0 | - | 4.53 | 89,912 |
| History Analogies #2 | 0 | - | 4.49 | 77,155 |
| Groups of Things - History #1 | 0 | - | 4.41 | 93,986 |
| History Analogies #3 | 0 | - | 4.61 | 80,597 |
| Random History by Country | 0 | - | 4.53 | 34,808 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,801 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,739 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,530 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,734 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,359 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,636 |
| History General Knowledge #13 | 0 | - | 4.69 | 49,116 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,945 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,353 |
| 6-Letter History Chain #2 | 0 | - | 4.51 | 57,455 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,124 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,629 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,838 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,414 |
| History General Knowledge #1 | 0 | - | 4.55 | 128,045 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,243 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,818 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,763 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,534 |
| Christmas Decoder | 0 | - | 4.42 | 49,449 |
| Groups of Things - History #2 | 0 | - | 4.39 | 79,268 |
| History Analogies #4 | 0 | - | 4.26 | 72,845 |
| History Groups of Two | 0 | - | 4.34 | 40,657 |
| Valid Answer - World History #2 | 0 | - | 4.38 | 46,995 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 21,048 |
| Historical Middle Names | 0 | - | 4.16 | 35,695 |
| People Who Were "The" Something | 0 | - | 4.25 | 155,623 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,466 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,150 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,502 |
| Empires by Maps | 0 | - | 4.98 | 119,897 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,586 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,319 |
| Country Decoders #1 | 0 | - | 4.45 | 43,652 |
| Metals of Antiquity | 0 | - | 4.94 | 93,282 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,926 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 69,963 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,205 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,246 |
| First Names of Explorers Quiz | 0 | - | 4.44 | 18,363 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,569 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,042 |
| History - Did They Have It? | 0 | - | 4.84 | 61,649 |
| Mythical Lands | 0 | - | 4.26 | 85,293 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,320 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,358 |
| WWI... or WWII? | 0 | - | 4.85 | 141,834 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 61,022 |
| Famous Mottos | 0 | - | 3.46 | 48,579 |
| Saint in the Answers | 0 | - | 4.10 | 44,261 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,824 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,974 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,670 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,774 |
| Famous Speeches from History | 0 | - | 4.16 | 33,615 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,435 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,441 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,893 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,801 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,149 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,845 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,579 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,174 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,328 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 273,330 |
| Halloween Decoder | 0 | - | 4.21 | 45,597 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,120 |
| Influential Women in History | 0 | - | 4.42 | 35,491 |
| Cradles of Civilization | 0 | - | 4.46 | 39,542 |
| Popular Royal Names | 0 | - | 4.27 | 124,837 |
| Materials From History #1 | 0 | - | 4.56 | 51,468 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,527 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,543 |
| First Names of Painters | 0 | - | 4.43 | 59,794 |
| Notable People of WWII | 0 | - | 4.53 | 85,579 |
| WWII Trivia #2 | 0 | - | 4.52 | 103,849 |
| 1950s Decade Quiz | 0 | - | 4.41 | 49,173 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 44,869 |
| World War I Quiz | 0 | - | 4.78 | 101,122 |
| WWI A-Z | 0 | - | 4.50 | 38,253 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,714 |
| Famous Explorers | 0 | - | 4.58 | 36,116 |
| Famous Empires by Description | 0 | - | 4.73 | 118,310 |
| Answers by Time Period | 0 | - | 4.63 | 55,506 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,184 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,861 |
| Recently Independent Countries | 0 | - | 4.98 | 158,966 |
| Historical Misquotes | 0 | - | 4.39 | 26,655 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,940 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,218 |
| Italian Name Translation | 0 | - | 4.82 | 46,313 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,524 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,724 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,003 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,698 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,120 |
| 7 Deadly Sins | 0 | - | 4.88 | 398,976 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,441 |
| Disney Animated Characters | 0 | - | 4.88 | 600,920 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,634 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,772 |
| Countries with Four Letters | 0 | - | 4.99 | 421,391 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,821 |
| Random Symbol to Element | 0 | - | 4.88 | 92,846 |
| Animal Decoder | 0 | - | 4.06 | 15,510 |
| French Food Words | 0 | - | 4.80 | 194,545 |
| Name a Valid World City | 0 | - | 4.83 | 70,901 |
| Short Term Memory Test - Countries | 0 | - | 4.83 | 45,806 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,107 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,179 |
| Former Flags | 0 | - | 4.97 | 107,439 |
| Years in History by Picture | 0 | - | 4.44 | 35,428 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,508 |
| Materials From History #2 | 0 | - | 4.59 | 31,450 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,865 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,383 |
| WWII Trivia #1 | 0 | - | 4.36 | 177,419 |
| WWII Decoder | 0 | - | 4.41 | 53,465 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,271 |
| WWII True or False? | 0 | - | 4.56 | 57,407 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 50,001 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,381 |
| Events in History #2 | 0 | - | 4.49 | 71,635 |
| Events in History #4 | 0 | - | 4.44 | 44,257 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,952 |
| Assassinations in History | 0 | - | 4.21 | 66,149 |
| Famous Seconds | 0 | - | 4.22 | 46,544 |
| Ages and Eras | 0 | - | 4.39 | 67,645 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,468 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,757 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,139 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,951 |
| Female Historical Figures | 0 | - | 4.28 | 33,222 |
| Historical Blunders | 0 | - | 4.34 | 91,884 |
| Territorial Accessions | 0 | - | 4.36 | 34,757 |
| People Known as "The Great" | 0 | - | 4.46 | 24,631 |
| This Day in History - July | 0 | - | 4.49 | 36,433 |
| This Day in History - August | 0 | - | 4.42 | 43,332 |
| This Day in History - September | 0 | - | 4.55 | 57,395 |
| This Day in History - October | 0 | - | 4.49 | 37,605 |
| This Day in History - January | 0 | - | 4.50 | 46,672 |
| This Day in History - March | 0 | - | 4.45 | 43,630 |
| Ancient Civilizations | 0 | - | 4.64 | 37,909 |
| The Places They Went #1 | 0 | - | 4.74 | 33,504 |
| Famous Inventors | 0 | - | 4.44 | 43,519 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,800 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,456 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,013,047 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,644 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,591 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,337 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 304,497 |
| Islands by Country #1 | 0 | - | 4.88 | 175,051 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,330 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,682 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,595 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,444 |
| Country Decoders #2 | 0 | - | 4.12 | 26,788 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,331 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,402 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,622 |
| Country Chain | 0 | - | 4.96 | 216,767 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,826 |
| Random Countries Mouse Hunt! | 0 | - | 4.81 | 183,827 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 2,160,058 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,200 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.44 | 67,573 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,913 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,597 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,401 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,447 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,932 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,853 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,209 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,865 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,760 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,129 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 75,221 |
| Name a Valid Country #10 | 0 | - | 4.93 | 42,574 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,353 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,851 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,805 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,242 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,478 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,117 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 52,048 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,381 |
| Which Came First? | 0 | - | 4.37 | 74,695 |
| Famous Disasters on the Map | 0 | - | 3.76 | 22,047 |
| Animals in World History | 0 | - | 4.74 | 44,425 |
| History True or False #3 | 0 | - | 4.43 | 56,736 |
