| Name a Valid Country A-Z | 0 | - | 4.97 | 94,546 |
| 7 Deadly Sins Quiz | 0 | - | 4.88 | 376,920 |
| Disney Animated Characters | 0 | - | 4.88 | 588,862 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 119,676 |
| Cold War Decoder | 0 | - | 4.81 | 49,432 |
| Name a Valid Year in History | 0 | - | 4.92 | 61,068 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,058,856 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 143,290 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 188,362 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 166,164 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 184,868 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 294,025 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 69,514 |
| Military History Vocabulary | 0 | - | 4.91 | 64,021 |
| The Only Country ... | 0 | - | 4.89 | 53,895 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 123,852 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 114,899 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 302,945 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 221,813 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 212,621 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 180,937 |
| Category Elimination - European Geography #3 | 0 | - | 4.83 | 73,949 |
| Countries that Start with A | 0 | - | 4.98 | 2,063,012 |
| Countries that Start with B | 0 | - | 4.95 | 2,200,727 |
| Countries that Start with C | 0 | - | 4.96 | 1,745,560 |
| Countries that Start with D | 0 | - | 4.96 | 657,869 |
| Countries that Start with E | 0 | - | 4.95 | 1,313,613 |
| Countries that Start with G | 0 | - | 4.97 | 1,436,075 |
| Countries that Start with H | 0 | - | 4.96 | 560,924 |
| Countries that Start with I | 0 | - | 4.92 | 1,235,651 |
| Countries that Start with J | 0 | - | 4.98 | 561,226 |
| Countries that Start with K | 0 | - | 4.97 | 771,914 |
| Countries that Start with L | 0 | - | 4.98 | 1,039,000 |
| Countries that Start with N | 0 | - | 4.93 | 1,065,444 |
| Countries that Start with P | 0 | - | 4.95 | 1,165,654 |
| Countries that Start with S | 0 | - | 4.98 | 1,688,892 |
| Countries that Start with T | 0 | - | 4.89 | 969,647 |
| Countries that Start with U | 0 | - | 4.97 | 870,797 |
| Countries that Start with V | 0 | - | 4.98 | 582,715 |
| Countries that Start with F | 0 | - | 4.83 | 581,550 |
| Countries that Start with M | 0 | - | 4.97 | 1,325,582 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 64,003 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 65,678 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 225,891 |
| History Analogies #1 | 0 | - | 4.52 | 86,727 |
| History Analogies #2 | 0 | - | 4.48 | 74,188 |
| History Analogies #3 | 0 | - | 4.56 | 77,777 |
| Valid Answer - World History #2 | 0 | - | 4.42 | 43,868 |
| Popular Royal Names | 0 | - | 4.27 | 121,298 |
| Random History by Country | 0 | - | 4.52 | 33,412 |
| Valid Answer - World History #1 | 0 | - | 4.63 | 59,443 |
| Time Magazine Person of the Year | 0 | - | 4.55 | 70,314 |
| Invasions | 0 | - | 4.63 | 93,987 |
| Names for Warriors | 0 | - | 4.42 | 35,864 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 38,739 |
| Territory Changes in World War I | 0 | - | 4.88 | 43,765 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.11 | 41,950 |
| Colors by Letter | 0 | - | 4.24 | 158,827 |
| Richest Countries A-Z | 0 | - | 4.93 | 96,044 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 112,000 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 82,319 |
| 5-Letter History Chain #3 | 0 | - | 4.49 | 55,468 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 55,023 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 97,988 |
| G7 Leaders Since 2003 | 0 | - | 4.47 | 41,093 |
| First Names of Painters | 0 | - | 4.40 | 58,022 |
| WWII A-Z #1 | 0 | - | 4.79 | 99,063 |
| WWII A-Z #2 | 0 | - | 4.44 | 52,633 |
| WWII Geography | 0 | - | 4.82 | 114,858 |
| WWII Decoder | 0 | - | 4.41 | 51,329 |
| Name a Valid Answer - World War II | 0 | - | 4.52 | 52,357 |
| WWII Figures by Picture | 0 | - | 4.83 | 46,234 |
| Quotes from Historical Figures #1 | 0 | - | 4.48 | 85,165 |
| History General Knowledge #1 | 0 | - | 4.54 | 118,366 |
| History General Knowledge #3 | 0 | - | 4.51 | 89,810 |
| History General Knowledge #6 | 0 | - | 4.46 | 83,743 |
| History General Knowledge #10 | 0 | - | 4.44 | 67,753 |
| Fictional Characters by Picture - A | 0 | - | 4.17 | 86,049 |
| Fictional Characters by Picture - B | 0 | - | 4.11 | 71,013 |
| Fictional Characters by Picture - C | 0 | - | 4.23 | 77,100 |
| Fictional Characters by Picture - D | 0 | - | 4.21 | 70,905 |
| Fictional Characters by Picture - F | 0 | - | 4.38 | 62,712 |
| Fictional Characters by Picture - G | 0 | - | 4.25 | 82,291 |
| Fictional Characters by Picture - H | 0 | - | 4.13 | 65,898 |
| Fictional Characters by Picture - L | 0 | - | 4.28 | 77,893 |
| Fictional Characters by Picture - M | 0 | - | 4.17 | 85,738 |
| Fictional Characters by Picture - P | 0 | - | 4.16 | 61,400 |
| Fictional Characters by Picture - R | 0 | - | 4.01 | 69,263 |
| Fictional Characters by Picture - S | 0 | - | 4.22 | 64,141 |
| Fictional Characters by Picture - T | 0 | - | 4.11 | 81,417 |
| Fictional Characters by Picture - W | 0 | - | 4.24 | 73,886 |
| Fictional Characters by Picture - N | 0 | - | 4.09 | 46,333 |
| Fictional Characters by Picture - O | 0 | - | 4.29 | 49,542 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.51 | 53,634 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.57 | 46,403 |
| Random Countries Hidden in the World Map | 0 | - | 4.84 | 103,000 |
| Vegetables: No Vowels | 0 | - | 4.74 | 71,113 |
| Name a Major European City A-Z | 0 | - | 4.32 | 46,760 |
| One Country By Letter By Continent | 0 | - | 5.00 | 86,381 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 15,468 |
| Groups of Things - History #1 | 0 | - | 4.38 | 90,742 |
| Groups of Things - History #2 | 0 | - | 4.39 | 77,289 |
| History Analogies #4 | 0 | - | 4.28 | 59,570 |
| History Groups of Two | 0 | - | 4.34 | 39,523 |
| Former Countries by Territory Map | 0 | - | 4.96 | 94,693 |
| Empires by Maps | 0 | - | 4.98 | 108,091 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.44 | 20,431 |
| Ancient Greece A-Z | 0 | - | 4.61 | 22,069 |
| Famous Dictators Quiz #1 | 0 | - | 4.69 | 192,426 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 103,858 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 92,619 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 45,306 |
| Ultimate 20th Century History Quiz | 0 | - | 4.84 | 50,375 |
| Famous Battles Quiz | 0 | - | 4.24 | 47,939 |
| Name the War Quiz | 0 | - | 4.38 | 196,987 |
| People Who Were "The" Something | 0 | - | 4.22 | 133,325 |
| Famous U.S. Generals | 0 | - | 4.26 | 37,850 |
| Religions by Country of Origin Quiz | 0 | - | 4.28 | 74,849 |
| First Names of Historical Figures #2 | 0 | - | 4.36 | 37,761 |
| First Names of Historical Figures #1 | 0 | - | 4.40 | 223,332 |
| 17th Century A-Z | 0 | - | 4.64 | 25,793 |
| Military History A-Z | 0 | - | 4.19 | 20,433 |
| "Of Something" Book Titles | 0 | - | 4.44 | 46,739 |
| Famous Lines of Poetry #1 | 0 | - | 4.53 | 33,307 |
| Fruits: No Vowels | 0 | - | 4.79 | 95,385 |
| Movie Characters A-Z | 0 | - | 4.09 | 46,622 |
| World Cities A-Z #1 | 0 | - | 4.52 | 60,697 |
| World Cities A-Z #2 | 0 | - | 4.46 | 53,136 |
| Africa A-Z | 0 | - | 4.57 | 45,249 |
| Historical Leaders by Date #1 | 0 | - | 4.49 | 30,082 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 28,946 |
| Historical Rulers #2 | 0 | - | 4.26 | 45,696 |
| Historical Rulers #1 | 0 | - | 4.34 | 115,820 |
| 5-Letter History Chain #2 | 0 | - | 4.30 | 61,731 |
| 6-Letter History Chain #1 | 0 | - | 4.25 | 67,478 |
| 4-Letter History Chain #2 | 0 | - | 4.33 | 55,972 |
| 4-Letter History Chain #3 | 0 | - | 4.39 | 57,760 |
| First Names of Explorers Quiz | 0 | - | 4.41 | 17,123 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 105,926 |
| Mythical Lands | 0 | - | 4.24 | 83,564 |
| Saint in the Answers | 0 | - | 4.09 | 43,086 |
| First Name + Initial Quiz | 0 | - | 4.07 | 51,480 |
| One-Name Historical Figures Quiz #1 | 0 | - | 4.25 | 67,230 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 41,490 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,519 |
| Famous Speeches from History | 0 | - | 4.15 | 33,072 |
| History General Knowledge #5 | 0 | - | 4.37 | 100,209 |
| History General Knowledge #7 | 0 | - | 4.33 | 83,113 |
| History General Knowledge #8 | 0 | - | 4.31 | 79,079 |
| History General Knowledge #9 | 0 | - | 4.37 | 74,891 |
| History General Knowledge #12 | 0 | - | 4.31 | 53,954 |
| History General Knowledge #11 | 0 | - | 4.40 | 57,997 |
| History General Knowledge #2 | 0 | - | 4.31 | 106,418 |
| History General Knowledge #4 | 0 | - | 4.32 | 104,562 |
| Books with Names in the Title Quiz #2 | 0 | - | 4.42 | 52,657 |
| Religion Analogies | 0 | - | 4.38 | 52,582 |
| Literary Quotes #1 | 0 | - | 4.48 | 25,762 |
| Chess Pieces (With Board and Pictures!) | 0 | - | 4.53 | 74,065 |
| Fictional Characters by Picture - E | 0 | - | 3.96 | 51,931 |
| Fictional Characters by Picture - J | 0 | - | 3.95 | 67,353 |
| Books by Clue #2 | 0 | - | 4.43 | 25,981 |
| World Cities by Clue Quiz #2 | 0 | - | 4.49 | 48,880 |
| Cities that End in A by Clue | 0 | - | 4.55 | 50,885 |
| Cities that End in O by Clue | 0 | - | 4.52 | 51,421 |
| Cities that End in N by Clue | 0 | - | 4.55 | 52,269 |
| Cities that End in I by Clue | 0 | - | 4.58 | 55,161 |
| Cities that End in S by Clue | 0 | - | 4.56 | 43,218 |
| Three Letter Acronyms #1 | 0 | - | 4.14 | 66,292 |
| Four-Letter Acronyms | 0 | - | 4.30 | 109,933 |
| Three-Letter Acronyms #2 | 0 | - | 4.23 | 45,474 |
| Astronomy Decoder | 0 | - | 4.52 | 36,722 |
| U.S. Chain Restaurant Menu | 0 | - | 4.06 | 137,112 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.50 | 67,834 |
| Category Elimination - Countries #5 | 0 | - | 4.70 | 136,791 |
| Category Elimination - Elements | 0 | - | 4.57 | 50,970 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,248,344 |
| Countries that Start with R | 0 | - | 4.42 | 420,745 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,386 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,721 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,492 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,764 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,521 |
| European Geography By Letter - L | 0 | - | 4.52 | 108,957 |
| European Geography By Letter - M | 0 | - | 4.53 | 118,050 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,331 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,778 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,206 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,564 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 63,877 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 59,972 |
| Asian Geography by Letter - P | 0 | - | 4.44 | 56,150 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 55,738 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 96,863 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 41,218 |
| Capitals A-Z | 0 | - | 4.80 | 44,174 |
| Middle East A-Z | 0 | - | 4.46 | 44,595 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 43,029 |
| Google What's the Difference? - History | 0 | - | 4.20 | 44,992 |
| Metals of Antiquity | 0 | - | 4.94 | 89,813 |
| Russian History A-Z | 0 | - | 4.37 | 18,328 |
