| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,796 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,925 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,247 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,669 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,143 |
| 7 Deadly Sins | 0 | - | 4.88 | 405,078 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,104,120 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,578 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 344,227 |
| Books with Food in the Title | 0 | - | 3.95 | 39,788 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,518 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,639 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,055 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,430 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,761 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,575 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,143 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,232 |
| Books by Country Quiz | 0 | - | 4.30 | 32,333 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,376 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,602 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,493 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,608 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,395 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,641 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,658 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 98,004 |
| North American Pro Sports Teams by City | 0 | - | 4.81 | 47,401 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 140,391 |
| Top 100 Greatest NBA Players | 0 | - | 4.43 | 698,758 |
| Literary Quotes #1 | 0 | - | 4.49 | 34,739 |
| Book Titles by Synonyms #2 | 0 | - | 4.40 | 39,685 |
| Star Wars Quotes | 0 | - | 4.86 | 186,620 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,811 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,420 |
| Name a Country A-Z | 0 | - | 5.00 | 246,430 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,532 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,349 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,514 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 1,011,524 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 156,932 |
| NBA Players by Wikipedia Descriptions | 0 | - | 4.43 | 40,817 |
| Name a Valid Answer - NBA | 0 | - | 4.41 | 83,966 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,485 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,915 |
| American Sports Cliches | 0 | - | 4.10 | 109,734 |
| Most Valuable Sports Teams | 0 | - | 4.33 | 117,678 |
| MLB Baseball Teams Quiz | 0 | - | 4.91 | 895,787 |
| Baseball Abbreviations | 0 | - | 4.33 | 76,030 |
| Yogi Berra Quotes | 0 | - | 4.42 | 10,535 |
| Top 100 MLB Baseball Players of All Time | 0 | - | 4.32 | 98,801 |
| NBA Basketball Analogies | 0 | - | 4.19 | 37,116 |
| Most Popular NBA Jerseys | 0 | - | 4.38 | 841,239 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 350,184 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 470,591 |
| Authors by Picture | 0 | - | 4.48 | 25,660 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 55,100 |
| Name the 7 Dwarfs | 0 | - | 4.54 | 365,964 |
| Companies by Country | 0 | - | 4.61 | 120,578 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,624 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,491 |
| Astronomy Decoder | 0 | - | 4.48 | 38,276 |
| Word Chain - The Bible | 0 | - | 4.48 | 51,051 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,451 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 673,618 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,644 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,643 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,230 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,898 |
| North American Sports Quotes | 0 | - | 3.83 | 37,422 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,475 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,302,679 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,599,514 |
| NHL Hockey Teams Quiz | 0 | - | 4.91 | 658,943 |
| MLB Baseball Team Names by Clue | 0 | - | 4.35 | 68,055 |
| NBA MVPs Quiz | 0 | - | 4.92 | 1,254,265 |
| All-NBA First Team Players | 0 | - | 4.81 | 549,352 |
| NBA's 50 Greatest Players From 1996 | 0 | - | 4.27 | 75,557 |
| NBA Basketball Word Chain | 0 | - | 4.20 | 38,313 |
| NBA Basketball Families | 0 | - | 4.21 | 35,411 |
| FIFA World Cup Host Countries | 0 | - | 4.97 | 258,396 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,650 |
| Character to Author #1 | 0 | - | 4.52 | 43,662 |
| Popular Royal Names | 0 | - | 4.27 | 125,487 |
| First Names of Painters | 0 | - | 4.43 | 60,127 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 61,781 |
| U.S. Synonymous Trademarks | 0 | - | 4.07 | 66,939 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,662,362 |
| Most Popular High School Sports (U.S.) | 0 | - | 4.69 | 145,925 |
| Most Popular NFL Jerseys | 0 | - | 4.19 | 238,537 |
| NFL Team Names by Clue | 0 | - | 4.19 | 128,094 |
| NFL Football Team Logos | 0 | - | 4.91 | 633,342 |
| NCAA Football Teams | 0 | - | 4.96 | 393,377 |
| NCAA Basketball Teams | 0 | - | 4.95 | 338,353 |
| MLB Baseball Analogies | 0 | - | 4.27 | 24,246 |
| MLB Baseball Groups of Things | 0 | - | 4.11 | 18,634 |
| Baseball Word Chain | 0 | - | 4.17 | 16,277 |
| MLB Baseball Hall of Fame by Team | 0 | - | 4.15 | 10,601 |
| Olympic Host Countries | 0 | - | 4.98 | 202,362 |
| NHL Hockey Team Names by Clue | 0 | - | 4.35 | 87,924 |
| NBA Team Names by Clue | 0 | - | 4.28 | 171,213 |
| NBA Team Logos | 0 | - | 4.81 | 699,435 |
| Formula One World Champions | 0 | - | 4.96 | 396,042 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,752 |
| National Football Team Logos | 0 | - | 4.82 | 194,801 |
| Literary Quotes #2 | 0 | - | 4.26 | 30,581 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,396 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,918 |
| Character to Author #2 | 0 | - | 4.55 | 30,541 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,315 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,610 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,405 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,889 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,044 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,030 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,271 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 41,143 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,541 |
| Famous Catholics | 0 | - | 4.26 | 33,533 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 278,057 |
| Stores in the Mall #1 | 0 | - | 3.89 | 46,003 |
| Colors by Letter | 0 | - | 4.25 | 163,036 |
| Superhero Decoder | 0 | - | 4.36 | 55,058 |
| Marvel Superheroes | 0 | - | 4.38 | 299,436 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 117,574 |
| Car Model to Make | 0 | - | 4.18 | 197,355 |
| Famous Billionaires | 0 | - | 4.14 | 67,593 |
| Sibling Actors | 0 | - | 4.12 | 47,656 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,522 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,291 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,654 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,917 |
| Countries with Four Letters | 0 | - | 4.99 | 426,688 |
| Random Symbol to Element | 0 | - | 4.88 | 94,255 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,178 |
| Random Country to Capital | 0 | - | 4.98 | 930,932 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,412 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,947 |
| Name a Valid World City | 0 | - | 4.85 | 72,189 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,284 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,456 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,143 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,319 |
| Countries with NO Military | 0 | - | 4.97 | 63,681 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,127 |
| NATO Countries | 0 | - | 4.98 | 284,265 |
| EU Countries Quiz | 0 | - | 4.99 | 279,183 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,947 |
| Books of the Protestant Bible | 0 | - | 4.85 | 212,435 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,685 |
| NFL Teams That Have Won the Most Super Bowls | 0 | - | 4.31 | 21,539 |
| North American Sports Champions Since 2000 | 0 | - | 4.47 | 113,118 |
| North American Sports Teams Closest to Each Other | 0 | - | 4.47 | 19,268 |
| Sports by Athlete | 0 | - | 3.74 | 334,039 |
| Athletes by Country #2 | 0 | - | 4.13 | 26,674 |
| 2018 FIFA World Cup Results | 0 | - | 4.94 | 136,501 |
| 100 Greatest Players in NFL History | 0 | - | 3.58 | 70,235 |
| MLS Soccer Teams | 0 | - | 4.23 | 85,287 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,186 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,450 |
| NHL Ice Hockey Team Logos | 0 | - | 4.90 | 190,986 |
| Men's Tennis World Number Ones | 0 | - | 4.49 | 62,239 |
| Men's Tennis Champs | 0 | - | 4.70 | 165,990 |
| Women's Tennis World Number Ones | 0 | - | 4.42 | 31,643 |
| Formula One Countries Visited | 0 | - | 4.97 | 158,433 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 103,379 |
| FIFA Members That are NOT in the United Nations | 0 | - | 4.56 | 65,351 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,866 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,958 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,037 |
| Champions League Winners | 0 | - | 4.92 | 1,018,601 |
| Cricket World Cup Top 4 Positions | 0 | - | 4.41 | 50,843 |
| Rugby World Cup Top 4 Positions | 0 | - | 4.75 | 67,946 |
| Countries with Most Olympic Medals in Gymnastics | 0 | - | 4.46 | 60,217 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,794 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,542 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 97,600 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 88,521 |
| WWII First Names | 0 | - | 4.45 | 42,027 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,767 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,942 |
| Movies with Colors in the Title #1 | 0 | - | 3.84 | 36,248 |
| Songs with Love in the Title | 0 | - | 4.14 | 18,882 |
| Movies with Colors in the Title #2 | 0 | - | 3.47 | 54,573 |
| Songs with Colors in the Title | 0 | - | 3.88 | 41,776 |
| Songs with Countries in the Title | 0 | - | 3.81 | 44,671 |
| Political Quotes | 0 | - | 4.17 | 19,964 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,988 |
| Islands by Country #1 | 0 | - | 4.90 | 176,906 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,391 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,703 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,509 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,668 |
| Superhero Alter Egos | 0 | - | 4.29 | 165,665 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 110,518 |
| Top 50 Comic Book Heroes | 0 | - | 3.93 | 75,894 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,834 |
| Batman Actors Quiz | 0 | - | 4.27 | 48,254 |
| Avengers Team Members | 0 | - | 4.07 | 78,347 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 114,956 |
