| 4-Letter Music Chain | 0 | - | 4.48 | 53,397 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,934 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,150 |
| 5-Letter Music Chain | 0 | - | 4.12 | 85,804 |
| Word Chain - Science | 0 | - | 4.59 | 54,938 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,597 |
| Name a Valid Answer - Music | 0 | - | 4.26 | 32,231 |
| Best Selling Albums in the United States | 0 | - | 4.43 | 72,960 |
| Combined Song Titles #1 | 0 | - | 4.78 | 86,440 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,322 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,713 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 85,076 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,468 |
| 6-Letter History Chain #2 | 0 | - | 4.51 | 57,578 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,277 |
| Cities Chain #2 | 0 | - | 4.42 | 56,414 |
| Cities Chain #1 | 0 | - | 4.61 | 66,658 |
| 6-Letter Movie Chain #1 | 0 | - | 4.21 | 74,918 |
| Word Chain - Africa | 0 | - | 4.47 | 31,635 |
| 6-Letter Movie Chain #2 | 0 | - | 4.28 | 37,628 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,669 |
| Questions in Music | 0 | - | 4.41 | 54,593 |
| Title NOT in the Lyrics | 0 | - | 4.44 | 72,376 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,097 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,957 |
| Queen Songs | 0 | - | 4.85 | 25,681 |
| Musical Groups of Things | 0 | - | 4.37 | 31,212 |
| Word Scramble - Musical Instruments | 0 | - | 4.31 | 59,747 |
| Bands That are "The" Something | 0 | - | 4.09 | 55,718 |
| All-Time Best Selling Musical Acts in the U.S. | 0 | - | 4.22 | 69,630 |
| Yearly #1 Hit Songs in the U.S. | 0 | - | 4.16 | 95,899 |
| Musical Acts with the Most Hits since 1962 | 0 | - | 4.22 | 34,063 |
| Songs with (Parentheses) in the Title | 0 | - | 4.35 | 34,567 |
| Songs with Jobs in the Title | 0 | - | 4.16 | 40,506 |
| Children's Song Titles | 0 | - | 4.17 | 37,459 |
| "Of Something" Song Titles | 0 | - | 4.39 | 54,876 |
| Countries with the Most Metal Bands | 0 | - | 4.97 | 81,583 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,431 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 275,262 |
| 5-Letter Geography Chain #1 | 0 | - | 4.21 | 131,278 |
| 5-Letter Geography Chain #2 | 0 | - | 4.37 | 127,301 |
| 6-Letter Geography Chain #1 | 0 | - | 4.28 | 96,213 |
| 4-Letter Movie Chain #1 | 0 | - | 4.37 | 109,814 |
| 5-Letter Movie Chain #1 | 0 | - | 4.05 | 68,554 |
| 5-Letter Geography Chain #3 | 0 | - | 4.25 | 73,693 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 69,024 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 70,062 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,295 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,364 |
| 5-Letter Movie Chain #2 | 0 | - | 4.33 | 48,470 |
| 4-Letter Movie Chain #2 | 0 | - | 4.36 | 56,731 |
| Halloween Word Chain | 0 | - | 4.12 | 37,558 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,471 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 353,619 |
| Title in the Lyrics #8 | 0 | - | 4.53 | 113,375 |
| Title in the Lyrics #9 | 0 | - | 4.47 | 102,689 |
| Song Title Translation - Spanish | 0 | - | 4.57 | 35,832 |
| Pasta... or Composer? | 0 | - | 4.63 | 26,718 |
| Music General Knowledge #1 | 0 | - | 4.26 | 35,851 |
| Songs with Names in the Title #1 | 0 | - | 4.08 | 47,374 |
| Songs with Names in the Title #2 | 0 | - | 4.16 | 32,569 |
| Songs with Food in the Title | 0 | - | 4.26 | 42,531 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,953 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,628,476 |
| Hotel California Lyrics | 0 | - | 4.49 | 53,042 |
| American Pie Lyrics | 0 | - | 4.63 | 32,975 |
| Fictional Places in Songs | 0 | - | 4.18 | 29,801 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.94 | 68,129 |
| Their Only #1 Hit | 0 | - | 4.26 | 26,510 |
| Songs with Numbers in the Title | 0 | - | 4.04 | 30,399 |
| Songs with Places in the Title #1 | 0 | - | 4.15 | 22,783 |
| Songs with Places in the Title #2 | 0 | - | 4.22 | 20,411 |
| Singers Who Went Solo | 0 | - | 4.41 | 71,898 |
| Music Groups by Deceased Members | 0 | - | 4.49 | 62,652 |
| Italian Name Translation | 0 | - | 4.83 | 47,056 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,103,545 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,092 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,669 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,672 |
| 7 Deadly Sins | 0 | - | 4.88 | 400,931 |
| Disney Animated Characters | 0 | - | 4.88 | 601,697 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,546 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,129 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,241 |
| Countries with Four Letters | 0 | - | 4.99 | 422,967 |
| Random Symbol to Element | 0 | - | 4.88 | 93,182 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,042 |
| Disney Character Chain | 0 | - | 4.10 | 30,748 |
| Word Chain - Asia | 0 | - | 4.34 | 29,341 |
| Baseball Word Chain | 0 | - | 4.17 | 16,210 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,471 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 67,870 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,803 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,795 |
| Songs with Featured Artists | 0 | - | 3.68 | 55,362 |
| Highest Grossing Concert Tours | 0 | - | 4.25 | 29,132 |
| Music General Knowledge #4 | 0 | - | 4.07 | 19,797 |
| Most-Played Songs on Spotify | 0 | - | 4.40 | 190,245 |
| Title in the Lyrics #1 | 0 | - | 4.32 | 222,691 |
| Title in the Lyrics #3 | 0 | - | 4.14 | 123,861 |
| Title in the Lyrics #4 | 0 | - | 4.34 | 142,326 |
| Title in the Lyrics #5 | 0 | - | 4.15 | 103,000 |
| Title in the Lyrics #6 | 0 | - | 4.35 | 94,880 |
| Title in the Lyrics #7 | 0 | - | 4.39 | 96,001 |
| Title in the Lyrics #10 | 0 | - | 4.06 | 56,360 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,396 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,435 |
| First Name Songs | 0 | - | 4.17 | 30,887 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,860 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,583 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,956 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,441 |
| Song Title Translation - French | 0 | - | 4.56 | 26,909 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 56,985 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,729 |
| Rock and Heavy Metal Song Initials | 0 | - | 4.30 | 32,789 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,652 |
| 4-Letter Name Chain | 0 | - | 3.71 | 13,312 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,814 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,306 |
| Islands by Country #1 | 0 | - | 4.88 | 175,395 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,593 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,966 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,777 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,885 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,070 |
| Country Chain | 0 | - | 4.96 | 217,258 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,111 |
| Cold War Decoder | 0 | - | 4.83 | 52,402 |
| Word Chain - South America | 0 | - | 4.51 | 23,917 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,366 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,336 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,559 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,070 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,921 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,294 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,677 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,091 |
| People Who Play Musical Instruments | 0 | - | 4.15 | 43,686 |
| Music by Year, 2010–present | 0 | - | 4.39 | 92,186 |
| Who Did that Pop Song #2 | 0 | - | 4.20 | 61,636 |
| Story Songs by Plot | 0 | - | 4.52 | 18,133 |
| Songs by Synopsis #1 | 0 | - | 4.43 | 31,615 |
| "And Something" Band Names | 0 | - | 4.31 | 31,818 |
| Weird Al Parodies Quiz | 0 | - | 4.44 | 30,673 |
| Classical Composers by Composition | 0 | - | 4.52 | 65,902 |
| Rock & Roll Hall of Fame | 0 | - | 4.44 | 172,352 |
| Double Albums Quiz | 0 | - | 4.47 | 13,783 |
| Band Members #1 | 0 | - | 4.30 | 92,049 |
| Band Members #2 | 0 | - | 4.20 | 53,920 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,870 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,505 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,479 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,547 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 45,930 |
| Shared First Names #2 | 0 | - | 4.53 | 45,536 |
| People with J Initials | 0 | - | 4.51 | 55,493 |
| History Analogies #1 | 0 | - | 4.53 | 90,004 |
| History Analogies #2 | 0 | - | 4.49 | 77,260 |
| History Analogies #3 | 0 | - | 4.61 | 80,696 |
| English Idioms #1 | 0 | - | 4.45 | 146,021 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,433 |
| Clothing Idioms | 0 | - | 4.41 | 34,235 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,098,403 |
| Are You a Nerd? | 0 | - | 4.35 | 44,924 |
| The Eleven Colors | 0 | - | 4.74 | 235,303 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,200 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,941 |
| Science General Knowledge #3 | 0 | - | 4.56 | 108,925 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,162 |
| King in the Answers | 0 | - | 4.42 | 50,159 |
| Super in the Answers | 0 | - | 4.52 | 110,407 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,450 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,564 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,674 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,673 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,754 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,580 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,169 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,561 |
| 4-Letter Word Chain Game #1 | 0 | - | 4.46 | 102,755 |
| 6-Letter Word Chain Game #1 | 0 | - | 4.51 | 62,634 |
| 6-Letter Word Chain Game #2 | 0 | - | 4.52 | 66,510 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,674 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,013 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,595 |
| Geography Decoder | 0 | - | 4.53 | 75,677 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,687 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,470 |
| Fruits by Picture | 0 | - | 4.19 | 807,665 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,456 |
| Answers are Beverages | 0 | - | 4.06 | 61,406 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,502 |
| Types of Food | 0 | - | 4.25 | 90,038 |
| The Foods they Ate | 0 | - | 4.03 | 69,478 |
| Animals Used in Food | 0 | - | 4.28 | 78,172 |
| Most Popular Fruits | 0 | - | 4.16 | 96,713 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,811 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,304 |
