| Name a Valid Country A-Z | 0 | - | 4.97 | 84,980 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 348,161 |
| Disney Animated Characters | 0 | - | 4.88 | 577,046 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 109,163 |
| Name a Valid Year in History | 0 | - | 4.92 | 54,442 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,014,119 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 140,427 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 182,603 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 162,707 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 177,778 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 288,296 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 66,276 |
| Military History Vocabulary | 0 | - | 4.92 | 60,721 |
| The Only Country ... | 0 | - | 4.88 | 47,506 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 110,245 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,436 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 286,886 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 209,710 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 200,576 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 170,820 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 67,138 |
| Countries that Start with A | 0 | - | 4.98 | 1,964,986 |
| Countries that Start with B | 0 | - | 4.95 | 2,103,951 |
| Countries that Start with C | 0 | - | 4.96 | 1,664,789 |
| Countries that Start with D | 0 | - | 4.96 | 604,781 |
| Countries that Start with E | 0 | - | 4.95 | 1,246,407 |
| Countries that Start with G | 0 | - | 4.97 | 1,366,366 |
| Countries that Start with H | 0 | - | 4.96 | 515,900 |
| Countries that Start with I | 0 | - | 4.92 | 1,175,099 |
| Countries that Start with J | 0 | - | 4.98 | 518,498 |
| Countries that Start with K | 0 | - | 4.96 | 723,910 |
| Countries that Start with L | 0 | - | 4.98 | 983,443 |
| Countries that Start with N | 0 | - | 4.93 | 1,009,887 |
| Countries that Start with P | 0 | - | 4.95 | 1,112,229 |
| Countries that Start with S | 0 | - | 4.98 | 1,619,772 |
| Countries that Start with T | 0 | - | 4.89 | 920,966 |
| Countries that Start with U | 0 | - | 4.96 | 830,177 |
| Countries that Start with V | 0 | - | 4.98 | 556,066 |
| Countries that Start with F | 0 | - | 4.84 | 545,515 |
| Countries that Start with M | 0 | - | 4.97 | 1,266,537 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,147 |
| Capitals A-Z | 0 | - | 4.85 | 42,119 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 216,049 |
| History Analogies #1 | 0 | - | 4.47 | 76,274 |
| History Analogies #2 | 0 | - | 4.51 | 64,793 |
| History Analogies #3 | 0 | - | 4.54 | 66,941 |
| Valid Answer - World History #2 | 0 | - | 4.42 | 39,798 |
| Popular Royal Names | 0 | - | 4.27 | 117,185 |
| Valid Answer - World History #1 | 0 | - | 4.57 | 56,786 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 66,868 |
| Invasions | 0 | - | 4.70 | 90,152 |
| First Names of Historical Figures #1 | 0 | - | 4.41 | 217,692 |
| Normandy D-Day Beaches | 0 | - | 4.81 | 36,998 |
| Territory Changes in World War I | 0 | - | 4.87 | 40,792 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.10 | 40,720 |
| Colors by Letter | 0 | - | 4.24 | 155,153 |
| Richest Countries A-Z | 0 | - | 4.92 | 89,519 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 109,784 |
| 5-Letter History Chain #3 | 0 | - | 4.48 | 51,502 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 51,554 |
| 5-Letter History Chain #1 | 0 | - | 4.53 | 84,784 |
| G7 Leaders Since 2003 | 0 | - | 4.46 | 38,852 |
| First Names of Painters | 0 | - | 4.38 | 56,587 |
| WWII A-Z #1 | 0 | - | 4.79 | 94,400 |
| WWII A-Z #2 | 0 | - | 4.47 | 50,424 |
| WWII Geography | 0 | - | 4.81 | 100,454 |
| WWII Decoder | 0 | - | 4.44 | 49,244 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 48,652 |
| WWII Figures by Picture | 0 | - | 4.88 | 41,357 |
| Quotes from Historical Figures #1 | 0 | - | 4.48 | 82,529 |
| Famous Empires in History | 0 | - | 4.83 | 105,271 |
| History General Knowledge #1 | 0 | - | 4.51 | 100,117 |
| History General Knowledge #3 | 0 | - | 4.50 | 76,519 |
| History General Knowledge #6 | 0 | - | 4.42 | 70,646 |
| History General Knowledge #10 | 0 | - | 4.44 | 62,624 |
| Fictional Characters by Picture - A | 0 | - | 4.16 | 80,901 |
| Fictional Characters by Picture - B | 0 | - | 4.11 | 67,635 |
| Fictional Characters by Picture - C | 0 | - | 4.22 | 72,702 |
| Fictional Characters by Picture - D | 0 | - | 4.25 | 66,229 |
| Fictional Characters by Picture - F | 0 | - | 4.38 | 58,945 |
| Fictional Characters by Picture - G | 0 | - | 4.27 | 77,847 |
| Fictional Characters by Picture - H | 0 | - | 4.18 | 62,083 |
| Fictional Characters by Picture - L | 0 | - | 4.28 | 73,589 |
| Fictional Characters by Picture - M | 0 | - | 4.16 | 80,926 |
| Fictional Characters by Picture - P | 0 | - | 4.22 | 57,893 |
| Fictional Characters by Picture - S | 0 | - | 4.23 | 60,671 |
| Fictional Characters by Picture - T | 0 | - | 4.12 | 78,142 |
| Fictional Characters by Picture - W | 0 | - | 4.23 | 70,424 |
| Fictional Characters by Picture - N | 0 | - | 4.08 | 43,208 |
| Fictional Characters by Picture - O | 0 | - | 4.28 | 46,548 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.48 | 43,967 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.53 | 37,769 |
| Random Countries Hidden in the World Map | 0 | - | 4.85 | 94,488 |
| Vegetables: No Vowels | 0 | - | 4.78 | 68,027 |
| Name a Major European City A-Z | 0 | - | 4.34 | 43,465 |
| One Country By Letter By Continent | 0 | - | 5.00 | 74,141 |
| One Capital by Letter by Continent | 0 | - | 4.93 | 3,647 |
| Groups of Things - History #1 | 0 | - | 4.37 | 87,188 |
| Groups of Things - History #2 | 0 | - | 4.38 | 75,041 |
| History Analogies #4 | 0 | - | 4.17 | 50,907 |
| History Groups of Two | 0 | - | 4.31 | 38,202 |
| Former Countries by Territory Map | 0 | - | 4.96 | 86,950 |
| Empires by Maps | 0 | - | 4.98 | 96,348 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 19,687 |
| Ancient Greece A-Z | 0 | - | 4.63 | 20,965 |
| Famous Dictators Quiz #1 | 0 | - | 4.75 | 184,526 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 97,209 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 86,651 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 46,932 |
| Cold War Decoder | 0 | - | 4.79 | 47,317 |
| Famous Battles Quiz | 0 | - | 4.25 | 46,827 |
| Name the War Quiz | 0 | - | 4.39 | 191,116 |
| People Who Were "The" Something | 0 | - | 4.21 | 129,701 |
| Famous U.S. Generals | 0 | - | 4.25 | 37,069 |
| Religions by Country of Origin Quiz | 0 | - | 4.29 | 72,968 |
| Names for Warriors | 0 | - | 4.40 | 34,719 |
| First Names of Historical Figures #2 | 0 | - | 4.37 | 35,492 |
| 17th Century A-Z | 0 | - | 4.61 | 24,231 |
| Military History A-Z | 0 | - | 4.21 | 19,685 |
| "Of Something" Book Titles | 0 | - | 4.43 | 45,637 |
| Famous Lines of Poetry #1 | 0 | - | 4.52 | 32,358 |
| Fruits: No Vowels | 0 | - | 4.79 | 91,388 |
| Movie Characters A-Z | 0 | - | 4.06 | 45,724 |
| World Cities A-Z #1 | 0 | - | 4.54 | 59,178 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,825 |
| Africa A-Z | 0 | - | 4.54 | 43,948 |
| Historical Leaders by Date #1 | 0 | - | 4.50 | 28,428 |
| Historical Leaders by Date #2 | 0 | - | 4.54 | 27,367 |
| Historical Rulers #2 | 0 | - | 4.26 | 43,443 |
| Historical Rulers #1 | 0 | - | 4.32 | 111,920 |
| 4-Letter History Chain #1 | 0 | - | 4.40 | 78,505 |
| 5-Letter History Chain #2 | 0 | - | 4.34 | 58,373 |
| 6-Letter History Chain #1 | 0 | - | 4.31 | 63,880 |
| 4-Letter History Chain #2 | 0 | - | 4.31 | 51,758 |
| 4-Letter History Chain #3 | 0 | - | 4.34 | 48,143 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 102,569 |
| UN Secretaries-General | 0 | - | 4.42 | 7,170 |
| Mythical Lands | 0 | - | 4.24 | 81,771 |
| Answers Contain "Saint" | 0 | - | 4.08 | 40,451 |
| First Name + Initial Quiz | 0 | - | 4.05 | 50,280 |
| One-Name Historical Figures Quiz #1 | 0 | - | 4.28 | 66,104 |
| Quotes from Historical Figures #2 | 0 | - | 4.39 | 40,027 |
| Historical Misquotes | 0 | - | 4.41 | 25,959 |
| Famous Speeches from History | 0 | - | 4.15 | 32,418 |
| History General Knowledge #5 | 0 | - | 4.34 | 84,771 |
| History General Knowledge #7 | 0 | - | 4.34 | 69,258 |
| History General Knowledge #8 | 0 | - | 4.32 | 66,116 |
| History General Knowledge #9 | 0 | - | 4.39 | 63,429 |
| History General Knowledge #12 | 0 | - | 4.30 | 49,959 |
| History General Knowledge #11 | 0 | - | 4.40 | 53,511 |
| History General Knowledge #2 | 0 | - | 4.27 | 92,519 |
| History General Knowledge #4 | 0 | - | 4.31 | 90,977 |
| Books with Names in the Title Quiz #2 | 0 | - | 4.41 | 51,166 |
| Religion Analogies | 0 | - | 4.40 | 51,495 |
| Literary Quotes #1 | 0 | - | 4.45 | 24,888 |
| Chess Pieces (With Board and Pictures!) | 0 | - | 4.50 | 70,295 |
| Fictional Characters by Picture - E | 0 | - | 3.96 | 49,037 |
| Fictional Characters by Picture - J | 0 | - | 3.95 | 64,410 |
| Fictional Characters by Picture - R | 0 | - | 4.00 | 66,400 |
| Characters from Books #2 | 0 | - | 4.41 | 75,223 |
| World Cities by Clue Quiz #2 | 0 | - | 4.45 | 47,702 |
| Cities that End in A by Clue | 0 | - | 4.56 | 48,813 |
| Cities that End in O by Clue | 0 | - | 4.55 | 49,361 |
| Cities that End in N by Clue | 0 | - | 4.54 | 43,355 |
| Cities that End in I by Clue | 0 | - | 4.58 | 53,045 |
| Cities that End in S by Clue | 0 | - | 4.58 | 41,460 |
| Three Letter Acronyms #1 | 0 | - | 4.13 | 65,249 |
| Four-Letter Acronyms | 0 | - | 4.32 | 106,467 |
| Three-Letter Acronyms #2 | 0 | - | 4.23 | 44,700 |
| Astronomy Decoder | 0 | - | 4.51 | 35,400 |
| U.S. Chain Restaurant Menu | 0 | - | 4.05 | 135,035 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.63 | 64,488 |
| Category Elimination - Countries #5 | 0 | - | 4.71 | 129,574 |
| Category Elimination - Elements | 0 | - | 4.66 | 48,303 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,183,257 |
| Countries that Start with R | 0 | - | 4.43 | 393,401 |
| Asian Geography By Letter - A | 0 | - | 4.65 | 67,691 |
| European Geography By Letter - A | 0 | - | 4.57 | 125,300 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,444 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,645 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,226 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,781 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,159 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,302 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,117 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,963 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 62,095 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 58,548 |
| Asian Geography by Letter - P | 0 | - | 4.43 | 54,360 |
| Asian Geography by Letter - T | 0 | - | 4.48 | 46,630 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,425 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 39,443 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 62,778 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 49,075 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,691 |
| Middle East A-Z | 0 | - | 4.46 | 43,328 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.44 | 41,606 |
| Google What's the Difference? - History | 0 | - | 4.21 | 43,742 |
| Metals of Antiquity | 0 | - | 4.93 | 85,974 |
| Russian History A-Z | 0 | - | 4.35 | 17,559 |
