| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,436 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,535 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,133 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,353 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,004 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,458 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,488 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,394 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 335,242 |
| Books with Food in the Title | 0 | - | 3.93 | 39,629 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,306 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,085 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,996 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,550 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,685 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,088 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,269 |
| Books by Country Quiz | 0 | - | 4.30 | 32,198 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,104 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,023 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,631 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,892 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,981 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,233 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,534 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,994 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 137,295 |
| Top 100 Greatest NBA Players | 0 | - | 4.42 | 688,199 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,483 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,336 |
| Star Wars Quotes | 0 | - | 4.83 | 174,124 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,208 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,406 |
| Name a Country A-Z | 0 | - | 5.00 | 241,583 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,116 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,743 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,380 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 993,297 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 154,253 |
| NBA Players by Wikipedia Descriptions | 0 | - | 4.43 | 40,126 |
| Name a Valid Answer - NBA | 0 | - | 4.41 | 81,769 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,204 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,267 |
| American Sports Cliches | 0 | - | 4.10 | 109,302 |
| Most Valuable Sports Teams | 0 | - | 4.34 | 115,898 |
| MLB Baseball Teams Quiz | 0 | - | 4.91 | 885,148 |
| Baseball Abbreviations | 0 | - | 4.33 | 75,459 |
| Yogi Berra Quotes | 0 | - | 4.42 | 10,429 |
| Top 100 MLB Baseball Players of All Time | 0 | - | 4.31 | 97,420 |
| NBA Basketball Analogies | 0 | - | 4.19 | 36,819 |
| Most Popular NBA Jerseys | 0 | - | 4.38 | 834,559 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 333,843 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 458,188 |
| Authors by Picture | 0 | - | 4.48 | 25,457 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 54,609 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 362,527 |
| Companies by Country | 0 | - | 4.61 | 118,972 |
| Groups of Things - The Bible | 0 | - | 4.43 | 55,089 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,003 |
| Astronomy Decoder | 0 | - | 4.50 | 37,917 |
| Word Chain - The Bible | 0 | - | 4.48 | 49,958 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,062 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 666,768 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,696 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,687 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,413 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,111 |
| North American Sports Quotes | 0 | - | 3.85 | 36,049 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,316 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,281,628 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,565,101 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 647,239 |
| MLB Baseball Team Names by Clue | 0 | - | 4.35 | 67,413 |
| NBA MVPs Quiz | 0 | - | 4.92 | 1,231,536 |
| All-NBA First Team Players | 0 | - | 4.83 | 538,135 |
| NBA's 50 Greatest Players From 1996 | 0 | - | 4.27 | 74,864 |
| NBA Basketball Word Chain | 0 | - | 4.20 | 37,698 |
| NBA Basketball Families | 0 | - | 4.21 | 34,928 |
| FIFA World Cup Host Countries | 0 | - | 4.97 | 237,972 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,462 |
| Character to Author #1 | 0 | - | 4.52 | 43,341 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,602,271 |
| Popular Royal Names | 0 | - | 4.27 | 124,691 |
| First Names of Painters | 0 | - | 4.43 | 59,719 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 60,540 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,778 |
| Most Popular High School Sports (U.S.) | 0 | - | 4.69 | 143,343 |
| Most Popular NFL Jerseys | 0 | - | 4.19 | 236,954 |
| NFL Team Names by Clue | 0 | - | 4.19 | 127,485 |
| NFL Football Team Logos | 0 | - | 4.90 | 624,181 |
| NCAA Football Teams | 0 | - | 4.96 | 385,207 |
| NCAA Basketball Teams | 0 | - | 4.94 | 335,029 |
| MLB Baseball Analogies | 0 | - | 4.27 | 24,085 |
| MLB Baseball Groups of Things | 0 | - | 4.08 | 18,507 |
| Baseball Word Chain | 0 | - | 4.17 | 16,153 |
| MLB Baseball Hall of Fame by Team | 0 | - | 4.15 | 10,484 |
| Olympic Host Countries | 0 | - | 4.98 | 199,430 |
| NHL Hockey Team Names by Clue | 0 | - | 4.35 | 86,583 |
| NBA Team Names by Clue | 0 | - | 4.28 | 169,899 |
| Formula One World Champions | 0 | - | 4.96 | 386,999 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,675 |
| National Football Team Logos | 0 | - | 4.85 | 179,432 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,328 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,084 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,679 |
| Character to Author #2 | 0 | - | 4.55 | 30,350 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,242 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,093,719 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,241 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,051 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,762 |
| Sci-Fi Movie Quotes | 0 | - | 4.31 | 36,891 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,856 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,033 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,847 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,859 |
| Colors by Letter | 0 | - | 4.25 | 162,248 |
| Superhero Decoder | 0 | - | 4.36 | 54,462 |
| Marvel Superheroes | 0 | - | 4.37 | 295,774 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 115,479 |
| Car Model to Make | 0 | - | 4.18 | 195,890 |
| Famous Billionaires | 0 | - | 4.14 | 67,329 |
| Sibling Actors | 0 | - | 4.12 | 47,475 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,593 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,860 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,310 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,650 |
| Countries with Four Letters | 0 | - | 4.99 | 420,106 |
| Random Symbol to Element | 0 | - | 4.88 | 92,483 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,542 |
| Random Country to Capital | 0 | - | 4.98 | 914,621 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,730 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,294 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,937 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,581 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,756 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,181 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,141 |
| Countries with NO Military | 0 | - | 4.97 | 61,538 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,344 |
| NATO Countries | 0 | - | 4.98 | 277,836 |
| EU Countries Quiz | 0 | - | 4.99 | 271,398 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,891 |
| Books of the Protestant Bible | 0 | - | 4.89 | 208,507 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,578 |
| North American Sports Champions Since 2000 | 0 | - | 4.47 | 111,133 |
| North American Sports Teams Closest to Each Other | 0 | - | 4.47 | 18,736 |
| Sports by Athlete | 0 | - | 3.74 | 332,214 |
| Athletes by Country #2 | 0 | - | 4.13 | 26,591 |
| 2018 FIFA World Cup Results | 0 | - | 4.95 | 131,207 |
| 100 Greatest Players in NFL History | 0 | - | 3.56 | 69,752 |
| MLS Soccer Teams | 0 | - | 4.23 | 84,227 |
| MLB Baseball Last Names | 0 | - | 4.32 | 18,994 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,158 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 185,407 |
| Men's Tennis World Number Ones | 0 | - | 4.49 | 61,457 |
| Men's Tennis Champs | 0 | - | 4.69 | 163,469 |
| Formula One Countries Visited | 0 | - | 4.96 | 142,708 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 99,897 |
| FIFA Members That are NOT in the United Nations | 0 | - | 4.55 | 64,239 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,570 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,279 |
| Champions League Winners | 0 | - | 4.92 | 1,000,272 |
| Cricket World Cup Top 4 Positions | 0 | - | 4.42 | 50,283 |
| Rugby World Cup Top 4 Positions | 0 | - | 4.75 | 67,173 |
| Countries with Most Olympic Medals in Gymnastics | 0 | - | 4.45 | 59,731 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,946 |
| NFL Teams That Have Won the Most Super Bowls | 0 | - | 4.31 | 19,893 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 715,654 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,696 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,330 |
| WWII First Names | 0 | - | 4.44 | 41,670 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,136 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,876 |
| Movies with Colors in the Title #1 | 0 | - | 3.84 | 36,119 |
| Songs with Love in the Title | 0 | - | 4.14 | 18,754 |
| Movies with Colors in the Title #2 | 0 | - | 3.47 | 54,372 |
| Songs with Colors in the Title | 0 | - | 3.88 | 41,557 |
| Songs with Countries in the Title | 0 | - | 3.85 | 44,506 |
| Political Quotes | 0 | - | 4.17 | 19,840 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,827 |
| Islands by Country #1 | 0 | - | 4.87 | 174,783 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,148 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,500 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,478 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,802 |
| Famous Catholics | 0 | - | 4.16 | 27,640 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,347 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 109,935 |
| Top 50 Comic Book Heroes | 0 | - | 3.95 | 75,541 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,662 |
| Batman Actors Quiz | 0 | - | 4.27 | 47,903 |
| Avengers Team Members | 0 | - | 4.07 | 77,287 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,770 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,436 |
| X-Men Mutants | 0 | - | 4.05 | 47,018 |
| The Spiderman Quiz | 0 | - | 4.31 | 72,333 |
| Most-Followed Twitter Users | 0 | - | 3.94 | 75,874 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 28,537 |
| Countries by Emojis | 0 | - | 4.99 | 237,681 |
