| 4-Letter Music Chain | 0 | - | 4.48 | 53,444 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,061 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,270 |
| 5-Letter Music Chain | 0 | - | 4.12 | 85,909 |
| Word Chain - Science | 0 | - | 4.59 | 54,988 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,638 |
| Name a Valid Answer - Music | 0 | - | 4.26 | 32,272 |
| Best Selling Albums in the United States | 0 | - | 4.43 | 73,008 |
| Combined Song Titles #1 | 0 | - | 4.78 | 86,499 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,373 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,772 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 85,167 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,540 |
| 6-Letter History Chain #2 | 0 | - | 4.51 | 57,640 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,600 |
| Cities Chain #2 | 0 | - | 4.42 | 56,436 |
| Cities Chain #1 | 0 | - | 4.61 | 66,691 |
| 6-Letter Movie Chain #1 | 0 | - | 4.21 | 74,969 |
| Word Chain - Africa | 0 | - | 4.47 | 31,655 |
| 6-Letter Movie Chain #2 | 0 | - | 4.28 | 37,660 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,695 |
| Questions in Music | 0 | - | 4.41 | 54,694 |
| Title NOT in the Lyrics | 0 | - | 4.44 | 72,451 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,188 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,038 |
| Queen Songs | 0 | - | 4.85 | 25,739 |
| Combined Song Titles #2 | 0 | - | 4.66 | 28,411 |
| Musical Groups of Things | 0 | - | 4.37 | 31,231 |
| Word Scramble - Musical Instruments | 0 | - | 4.31 | 59,758 |
| Bands That are "The" Something | 0 | - | 4.09 | 55,747 |
| All-Time Best Selling Musical Acts in the U.S. | 0 | - | 4.22 | 69,694 |
| Yearly #1 Hit Songs in the U.S. | 0 | - | 4.16 | 95,957 |
| Musical Acts with the Most Hits since 1962 | 0 | - | 4.22 | 34,102 |
| Songs with (Parentheses) in the Title | 0 | - | 4.35 | 34,582 |
| Songs with Jobs in the Title | 0 | - | 4.16 | 40,524 |
| Children's Song Titles | 0 | - | 4.17 | 37,468 |
| "Of Something" Song Titles | 0 | - | 4.39 | 54,938 |
| Countries with the Most Metal Bands | 0 | - | 4.97 | 83,850 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,508 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 275,907 |
| 5-Letter Geography Chain #1 | 0 | - | 4.21 | 131,352 |
| 5-Letter Geography Chain #2 | 0 | - | 4.37 | 127,388 |
| 6-Letter Geography Chain #1 | 0 | - | 4.28 | 96,255 |
| 4-Letter Movie Chain #1 | 0 | - | 4.37 | 110,157 |
| 5-Letter Movie Chain #1 | 0 | - | 4.05 | 68,634 |
| 5-Letter Geography Chain #3 | 0 | - | 4.25 | 73,734 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 69,097 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 70,130 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,366 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,437 |
| 5-Letter Movie Chain #2 | 0 | - | 4.33 | 48,518 |
| 4-Letter Movie Chain #2 | 0 | - | 4.36 | 56,834 |
| Halloween Word Chain | 0 | - | 4.12 | 37,564 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,590 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 353,846 |
| Title in the Lyrics #8 | 0 | - | 4.53 | 113,504 |
| Title in the Lyrics #9 | 0 | - | 4.47 | 102,795 |
| Song Title Translation - Spanish | 0 | - | 4.57 | 35,846 |
| Pasta... or Composer? | 0 | - | 4.63 | 26,743 |
| Music General Knowledge #1 | 0 | - | 4.26 | 35,904 |
| Songs with Names in the Title #1 | 0 | - | 4.08 | 47,390 |
| Songs with Names in the Title #2 | 0 | - | 4.16 | 32,580 |
| Songs with Food in the Title | 0 | - | 4.26 | 42,551 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,979 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,634,022 |
| Hotel California Lyrics | 0 | - | 4.49 | 53,097 |
| Songs by Synopsis #1 | 0 | - | 4.43 | 31,651 |
| American Pie Lyrics | 0 | - | 4.63 | 33,022 |
| Fictional Places in Songs | 0 | - | 4.18 | 29,828 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.94 | 68,298 |
| Their Only #1 Hit | 0 | - | 4.26 | 26,525 |
| Songs with Numbers in the Title | 0 | - | 4.04 | 30,403 |
| Songs with Places in the Title #1 | 0 | - | 4.15 | 22,791 |
| Songs with Places in the Title #2 | 0 | - | 4.22 | 20,423 |
| Singers Who Went Solo | 0 | - | 4.41 | 71,926 |
| Music Groups by Deceased Members | 0 | - | 4.49 | 62,681 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,044 |
| Italian Name Translation | 0 | - | 4.83 | 47,277 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,943 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,469 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,006 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,841 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,607 |
| Disney Animated Characters | 0 | - | 4.88 | 601,984 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,591 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,315 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,636 |
| Countries with Four Letters | 0 | - | 4.99 | 423,437 |
| Random Symbol to Element | 0 | - | 4.88 | 93,277 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,120 |
| Disney Character Chain | 0 | - | 4.10 | 30,765 |
| Word Chain - Asia | 0 | - | 4.34 | 29,352 |
| Baseball Word Chain | 0 | - | 4.17 | 16,233 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,566 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 67,990 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,967 |
| Songs with Featured Artists | 0 | - | 3.68 | 55,380 |
| Highest Grossing Concert Tours | 0 | - | 4.25 | 29,160 |
| Music General Knowledge #4 | 0 | - | 4.07 | 19,826 |
| Most-Played Songs on Spotify | 0 | - | 4.40 | 190,561 |
| Title in the Lyrics #1 | 0 | - | 4.32 | 222,939 |
| Title in the Lyrics #3 | 0 | - | 4.14 | 123,994 |
| Title in the Lyrics #4 | 0 | - | 4.34 | 142,482 |
| Title in the Lyrics #5 | 0 | - | 4.15 | 103,106 |
| Title in the Lyrics #6 | 0 | - | 4.35 | 94,980 |
| Title in the Lyrics #7 | 0 | - | 4.39 | 96,106 |
| Title in the Lyrics #10 | 0 | - | 4.06 | 56,430 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,414 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,484 |
| First Name Songs | 0 | - | 4.17 | 30,897 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 215,989 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,627 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,999 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,474 |
| Song Title Translation - French | 0 | - | 4.56 | 26,918 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,018 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,778 |
| Rock and Heavy Metal Song Initials | 0 | - | 4.30 | 32,838 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,666 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,433 |
| 4-Letter Name Chain | 0 | - | 3.71 | 13,316 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,967 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,581 |
| Islands by Country #1 | 0 | - | 4.90 | 175,532 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,689 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,079 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,845 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,113 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,427 |
| Country Chain | 0 | - | 4.96 | 217,592 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,465 |
| Cold War Decoder | 0 | - | 4.83 | 52,458 |
| Word Chain - South America | 0 | - | 4.51 | 23,935 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,491 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,724 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,395 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,566 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,717 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,726 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,011 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,138 |
| People Who Play Musical Instruments | 0 | - | 4.15 | 43,701 |
| Music by Year, 2010–present | 0 | - | 4.39 | 92,407 |
| Who Did that Pop Song #2 | 0 | - | 4.20 | 61,745 |
| Story Songs by Plot | 0 | - | 4.52 | 18,163 |
| "And Something" Band Names | 0 | - | 4.31 | 31,827 |
| Weird Al Parodies Quiz | 0 | - | 4.44 | 30,695 |
| Classical Composers by Composition | 0 | - | 4.52 | 65,961 |
| Rock & Roll Hall of Fame | 0 | - | 4.43 | 173,388 |
| Double Albums Quiz | 0 | - | 4.47 | 13,792 |
| Band Members #1 | 0 | - | 4.30 | 92,108 |
| Band Members #2 | 0 | - | 4.20 | 53,959 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,541 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,582 |
| People With Place Names | 0 | - | 4.01 | 39,713 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,011 |
| Shared First Names #2 | 0 | - | 4.53 | 45,619 |
| People with J Initials | 0 | - | 4.51 | 55,507 |
| History Analogies #1 | 0 | - | 4.53 | 90,046 |
| History Analogies #2 | 0 | - | 4.49 | 77,303 |
| History Analogies #3 | 0 | - | 4.61 | 80,745 |
| English Idioms #1 | 0 | - | 4.45 | 146,115 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,453 |
| Clothing Idioms | 0 | - | 4.41 | 34,251 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,314 |
| Are You a Nerd? | 0 | - | 4.35 | 44,972 |
| The Eleven Colors | 0 | - | 4.74 | 235,480 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,393 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,046 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,069 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,216 |
| King in the Answers | 0 | - | 4.42 | 50,241 |
| Super in the Answers | 0 | - | 4.52 | 110,526 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,507 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,642 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,725 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,715 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,795 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,644 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,221 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,582 |
| 4-Letter Word Chain Game #1 | 0 | - | 4.46 | 102,785 |
| 6-Letter Word Chain Game #1 | 0 | - | 4.51 | 62,674 |
| 6-Letter Word Chain Game #2 | 0 | - | 4.52 | 66,543 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,745 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,059 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,608 |
| Geography Decoder | 0 | - | 4.53 | 75,720 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,718 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,507 |
| Fruits by Picture | 0 | - | 4.19 | 808,038 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,489 |
| Answers are Beverages | 0 | - | 4.06 | 61,443 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,546 |
| Types of Food | 0 | - | 4.25 | 90,114 |
| The Foods they Ate | 0 | - | 4.03 | 69,504 |
| Animals Used in Food | 0 | - | 4.28 | 78,231 |
| Most Popular Fruits | 0 | - | 4.16 | 96,766 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,847 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,378 |