| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,635 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,707 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,804 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,509 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,080 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,518 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,202 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,790 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 340,575 |
| Books with Food in the Title | 0 | - | 3.93 | 39,704 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,976 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,187 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,201 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,147 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,716 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,634 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,655 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,315 |
| Books by Country Quiz | 0 | - | 4.30 | 32,262 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,237 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,415 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,932 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,771 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,637 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,354 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,606 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,097 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 138,941 |
| Top 100 Greatest NBA Players | 0 | - | 4.41 | 694,199 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,646 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,484 |
| Star Wars Quotes | 0 | - | 4.86 | 184,997 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,628 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,494 |
| Name a Country A-Z | 0 | - | 5.00 | 244,248 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,476 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,152 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,454 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 1,003,544 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 155,818 |
| NBA Players by Wikipedia Descriptions | 0 | - | 4.43 | 40,542 |
| Name a Valid Answer - NBA | 0 | - | 4.41 | 83,088 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,289 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,672 |
| American Sports Cliches | 0 | - | 4.10 | 109,519 |
| Most Valuable Sports Teams | 0 | - | 4.33 | 116,897 |
| MLB Baseball Teams Quiz | 0 | - | 4.91 | 891,873 |
| Baseball Abbreviations | 0 | - | 4.33 | 75,797 |
| Yogi Berra Quotes | 0 | - | 4.42 | 10,512 |
| Top 100 MLB Baseball Players of All Time | 0 | - | 4.31 | 98,217 |
| NBA Basketball Analogies | 0 | - | 4.19 | 37,000 |
| Most Popular NBA Jerseys | 0 | - | 4.38 | 838,445 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 342,077 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 463,459 |
| Authors by Picture | 0 | - | 4.48 | 25,561 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 54,855 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 364,371 |
| Companies by Country | 0 | - | 4.61 | 119,825 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,377 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,265 |
| Astronomy Decoder | 0 | - | 4.49 | 38,109 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,825 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,239 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 670,548 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,178 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,713 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,824 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,704 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 146,187 |
| North American Sports Quotes | 0 | - | 3.83 | 37,210 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,385 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,294,639 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,584,543 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 654,015 |
| MLB Baseball Team Names by Clue | 0 | - | 4.35 | 67,801 |
| NBA MVPs Quiz | 0 | - | 4.92 | 1,244,409 |
| All-NBA First Team Players | 0 | - | 4.83 | 542,825 |
| NBA's 50 Greatest Players From 1996 | 0 | - | 4.27 | 75,255 |
| NBA Basketball Word Chain | 0 | - | 4.20 | 38,060 |
| NBA Basketball Families | 0 | - | 4.21 | 35,198 |
| FIFA World Cup Host Countries | 0 | - | 4.97 | 239,724 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,520 |
| Character to Author #1 | 0 | - | 4.52 | 43,508 |
| Popular Royal Names | 0 | - | 4.27 | 125,081 |
| First Names of Painters | 0 | - | 4.43 | 59,919 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 61,298 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,860 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,633,175 |
| North American Pro Sports Teams by City | 0 | - | 4.80 | 46,477 |
| Most Popular High School Sports (U.S.) | 0 | - | 4.69 | 144,479 |
| Most Popular NFL Jerseys | 0 | - | 4.19 | 237,882 |
| NFL Team Names by Clue | 0 | - | 4.19 | 127,845 |
| NFL Football Team Logos | 0 | - | 4.91 | 629,545 |
| NCAA Football Teams | 0 | - | 4.96 | 389,038 |
| NCAA Basketball Teams | 0 | - | 4.95 | 336,900 |
| MLB Baseball Analogies | 0 | - | 4.27 | 24,168 |
| MLB Baseball Groups of Things | 0 | - | 4.09 | 18,574 |
| Baseball Word Chain | 0 | - | 4.17 | 16,232 |
| MLB Baseball Hall of Fame by Team | 0 | - | 4.15 | 10,555 |
| Olympic Host Countries | 0 | - | 4.98 | 201,123 |
| NHL Hockey Team Names by Clue | 0 | - | 4.35 | 87,425 |
| NBA Team Names by Clue | 0 | - | 4.28 | 170,625 |
| NBA Team Logos | 0 | - | 4.81 | 692,583 |
| Formula One World Champions | 0 | - | 4.96 | 391,715 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,833 |
| National Football Team Logos | 0 | - | 4.85 | 180,865 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,434 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,215 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,770 |
| Character to Author #2 | 0 | - | 4.55 | 30,456 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,007 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,973 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,645 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,390 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,945 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,809 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,098 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 41,003 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,061 |
| Famous Catholics | 0 | - | 4.26 | 33,124 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 277,545 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,926 |
| Colors by Letter | 0 | - | 4.25 | 162,695 |
| Superhero Decoder | 0 | - | 4.36 | 54,828 |
| Marvel Superheroes | 0 | - | 4.38 | 298,069 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 116,762 |
| Car Model to Make | 0 | - | 4.18 | 196,680 |
| Famous Billionaires | 0 | - | 4.14 | 67,476 |
| Sibling Actors | 0 | - | 4.12 | 47,584 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,124 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,570 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,493 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,804 |
| Countries with Four Letters | 0 | - | 4.99 | 423,374 |
| Random Symbol to Element | 0 | - | 4.88 | 93,263 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,820 |
| Random Country to Capital | 0 | - | 4.98 | 922,865 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,112 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,657 |
| Name a Valid World City | 0 | - | 4.83 | 71,476 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,123 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,934 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,389 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,553 |
| Countries with NO Military | 0 | - | 4.97 | 62,654 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,978 |
| NATO Countries | 0 | - | 4.98 | 281,602 |
| EU Countries Quiz | 0 | - | 4.99 | 275,608 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,265 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,763 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,612 |
| North American Sports Champions Since 2000 | 0 | - | 4.47 | 112,336 |
| North American Sports Teams Closest to Each Other | 0 | - | 4.47 | 19,006 |
| Sports by Athlete | 0 | - | 3.74 | 333,157 |
| Athletes by Country #2 | 0 | - | 4.13 | 26,628 |
| 2018 FIFA World Cup Results | 0 | - | 4.95 | 133,174 |
| 100 Greatest Players in NFL History | 0 | - | 3.58 | 70,037 |
| MLS Soccer Teams | 0 | - | 4.23 | 84,853 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,138 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,623 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 188,670 |
| Men's Tennis World Number Ones | 0 | - | 4.49 | 61,827 |
| Men's Tennis Champs | 0 | - | 4.70 | 164,652 |
| Formula One Countries Visited | 0 | - | 4.96 | 144,094 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 101,505 |
| FIFA Members That are NOT in the United Nations | 0 | - | 4.55 | 64,776 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,466 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,431 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,218 |
| Champions League Winners | 0 | - | 4.92 | 1,009,935 |
| Rugby World Cup Top 4 Positions | 0 | - | 4.75 | 67,544 |
| Countries with Most Olympic Medals in Gymnastics | 0 | - | 4.46 | 59,996 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,491 |
| NFL Teams That Have Won the Most Super Bowls | 0 | - | 4.31 | 20,961 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,431 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 97,332 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.70 | 86,280 |
| WWII First Names | 0 | - | 4.44 | 41,845 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,949 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,350 |
| Movies with Colors in the Title #1 | 0 | - | 3.84 | 36,195 |
| Songs with Love in the Title | 0 | - | 4.14 | 18,815 |
| Movies with Colors in the Title #2 | 0 | - | 3.47 | 54,482 |
| Songs with Colors in the Title | 0 | - | 3.88 | 41,665 |
| Songs with Countries in the Title | 0 | - | 3.85 | 44,588 |
| Political Quotes | 0 | - | 4.17 | 19,909 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,908 |
| Islands by Country #1 | 0 | - | 4.88 | 175,486 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,648 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,044 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,814 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,206 |
| Superhero Alter Egos | 0 | - | 4.29 | 165,285 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 110,273 |
| Top 50 Comic Book Heroes | 0 | - | 3.95 | 75,761 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,775 |
| Batman Actors Quiz | 0 | - | 4.27 | 48,116 |
| Avengers Team Members | 0 | - | 4.07 | 77,967 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 114,204 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,822 |
